Whether you shop at a franchise dealer, a used-car lot, or buy from a private seller, the numbers on your contract depend on how you buy, what reduces tax, and whether you finance taxes and fees. We walk through each piece with real dollar examples so you can sanity-check any calculator or dealer worksheet before you sign.
If you have already used a Washington auto loan calculator online, this article shows exactly what should happen behind those numbers—and which inputs must come from you because no government agency publishes them.
What Makes Washington Different
Washington vehicle taxation is not interchangeable with other states. Washington charges retail sales/use tax on the vehicle (6.5% state + local, sourced to the motor-vehicle location code) plus an additional 0.5% motor vehicle sales/use tax from 1 Jan 2026 — RCW 82.08.020(1), (3); DOR motor vehicle sales/use tax. That is not Georgia TAVT. Like-kind trade-in is out of selling price (RCW 82.08.010; WAC 458-20-247). A responsible calculator uses government defaults only—never industry survey averages for doc fees, credit-tier APR tables, or expired tax rates.
Important: This guide reflects official sources as of August 2026. Rates and fees change when legislatures act or agencies update schedules. Confirm final amounts with your lender and motor vehicle agency before signing.
Do not treat Georgia Title Ad Valorem Tax (TAVT) rules as if they applied in Washington. Each state has its own statute for how vehicle transfers are taxed.
Official Washington Fees and Tax Defaults (2026)
Some costs are fixed by statute or published on the state motor vehicle fee schedule. A compliant Washington auto loan calculator should prefill these—not averages from car-shopping websites.
| Input | Official default | Notes |
|---|---|---|
| State retail sales/use tax | 6.5% of selling price | RCW 82.08.020(1). |
| Additional motor vehicle sales/use tax | 0.5% of selling price | RCW 82.08.020(3), effective 1 Jan 2026 (was 0.3% through 31 Dec 2025). |
| Local sales/use tax | User entered | Combined state+local prints in DOR’s Q3 2026 motor-vehicle flyer (1 Jul–30 Sep 2026). Motor-vehicle sales use special location codes that omit the local “public safety” piece (RCW 82.14.450(4)). Do not hard-code Seattle or any city. |
| Trade-in credit against tax | Yes (like kind, separately stated) | RCW 82.08.010(1); WAC 458-20-247. Cap: trade-in value used for tax cannot exceed the selling price of the purchased vehicle. |
| Title application | $15 (as of 29 Aug 2026) | RCW 46.17.100. From 1 Oct 2026: $40 on a dealer retail sale/lease of a new or used motor vehicle (through 31 Dec 2036); other title applications stay $15. |
| Filing | $6 registration / $6.50 title only / $12.50 title+registration | RCW 46.17.005; DOL fee table. |
| Service | $11 registration / $18 title / $29 title+registration | RCW 46.17.040 (amounts on/after 1 Jan 2026). |
| Passenger license (tab) | $30 | RCW 46.17.350(1)(j). |
| Passenger weight fee | $35 (≤ 4,000 lbs) / $65 (6,000) / $82.50 (8,000) / $96 (16,000+) | RCW 46.17.365 (registrations due on/after 1 Jan 2026). Scale weight not on the table rounds up. User-enter weight. |
| Additional $10 weight (truck GW schedule) | Not stacked on a passenger car | RCW 46.17.355(7) $10 is on the declared-GW truck schedule (in lieu of § 46.17.350). Passenger cars pay 46.17.365 only ($35 at 4,000 lbs). DOL still prints a $10 line — do not add it on top of $35 unless the VIN’s DOL tab itemization actually shows both. |
| License service | $0.75 | DOL table; RCW 46.17.015 / 46.17.025. |
| Original plates | $50 per plate + $2 reflectivity per plate | RCW 46.17.200. Two-plate passenger: $104. Transfer instead: $10. |
| Lemon / new-vehicle arbitration | $3 | RCW 19.118.110 (new dealer sale/lease if the vehicle will be registered in Washington). |
| EV extra (renewal only) | BEV/long-range PHEV: $100 + $50; plus transportation electrification $75 | RCW 46.17.323, 46.17.324. Statute: due at annual registration renewal, not as a first-issue add-on. Hybrid/AFV not in 46.17.323: $75 electrification at renewal. |
| RTA (Sound Transit MVET) | User entered | King / Pierce / Snohomish inside the Sound Transit district only. 1.1% of depreciated MSRP (DOL RTA). Year-of-service 1 = 100% of MSRP. |
| Local TBD registration add-on | User entered | DOL TBD list. |
| Documentary service fee | Cap $200; not sales-taxable | RCW 46.70.180(2); DOR auto-dealer miscellaneous. Negotiable; must be disclosed. Default $0. |
| APR | 7.14% (60-month new-car bank) | Fed G.19, Q2 2026. No official used-car APR. |
| Vehicle price, down, trade, rebate, GAP, warranty, weight, local rate, RTA, TBD | User entered | No official average price. |
| Term | User entered; 60 is a reasonable chip because G.19 publishes a 60-month series | Do not treat 84 as official. |
| Credit-score presets | None | No official government APR-by-FICO table. |
Vehicle price, down payment, trade-in value, manufacturer rebates, GAP insurance, extended warranties, and optional add-ons are never official defaults. You enter those. Similarly, there is no official government used-car APR series—only the Federal Reserve’s new-car bank benchmarks discussed below.
References:
- Washington Department of Revenue / Motor Vehicle agency official publications (August 2026)
- State statutes cited in the official fact brief for Washington
Understanding Purchase Channels in Washington
How you buy the vehicle changes which tax base rules apply. Dealers typically collect tax at the point of sale for residents; private-party buyers often pay at the motor vehicle office. Out-of-state purchases may trigger credit or use-tax rules depending on how long you owned the car before moving to Washington.
When you use a Washington auto loan calculator, select the purchase channel that matches your deal. If you are unsure, ask the seller whether tax will be collected on the contract or at registration—then mirror that choice in the calculator’s roll-tax options.
Example 1: Dealer purchase with documented trade-in
Scenario: You buy a $28,000 sedan from a Washington dealer and trade a vehicle the dealer will resell. Your trade allowance is $5,000.
Selling price: $28,000 Trade-in allowance: − $5,000 ───────────────────────────── Taxable base: $23,000 (Apply Washington official rate to $23,000 per statute)
Your cash down payment does not reduce the taxable base in most states. It only changes how much you borrow after tax and fees are computed.
Example 2: Private-party purchase
Scenario: You pay a private seller $14,000 for a used car. There is no dealer to collect tax on the contract.
Reported purchase price: $14,000 Trade-in on private sale: Often $0 credit (state-specific) Tax: Paid at title/registration per Washington law Title & registration: Paid to motor vehicle agency
Private-party buyers should budget for tax and title fees at the DMV even if the seller only asks for the agreed purchase price on day one.
Benchmark Auto Loan Rates (Federal Reserve)
There is no Washington statewide official APR series. The official U.S. series is the Federal Reserve G.19 Consumer Credit release (Regulation Z APRs). Current release, 7 Aug 2026 (June / Q2 2026 data).
Bank rates are unweighted averages of each bank’s most common rate in the first calendar week of the middle month of the quarter — not origination-weighted, not Washington-specific.
| Series | Rate | Period |
|---|---|---|
| Commercial-bank 60-month new-car | 7.14% | Q2 2026 |
| Commercial-bank 72-month new-car | 6.97% | Q2 2026 |
| Finance-company new-car (amount-weighted) | 6.1% (Q1) / 6.08% (Mar 2026, FRED RIELPCFANNM) | 2026 |
Do not treat the 72-month bank print sitting below 60-month as “longer terms are cheaper.” G.19 says that is the banks’ “most common” quoted mix, not a term premium.
Used cars: G.19 does not publish a used-car APR. The calculator must not invent one. Default used APR = blank / user-entered. Optional illustration only: reuse 7.14% and label it “shown at the official 60-month new-car bank rate; enter your used quote.”
Context (official, not a calculator default): effective federal funds 3.63% (H.15, 21–27 Aug 2026); bank prime 6.75%.
Calculator APR behavior: amortize at the user’s rate. Prefill 7.14% only as the G.19 60-month new-car bank average. Disclose: *estimate, not a TILA quote or a lender offer.*
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How Washington Vehicle Tax and Fees Work
Combined sales/use — 6.5% state + local + 0.5% motor-vehicle tax
Washington does tax the retail sale (or, if tax was not collected, the use at DOL registration) of a motor vehicle.
- State rate: 6.5% of selling price — RCW 82.08.020(1).
- Additional motor-vehicle tax: 0.5% of selling price from 1 Jan 2026 — RCW 82.08.020(3); DOR. Applies to self-propelled motor vehicles (RCW 46.04.320) other than farm tractors/vehicles, ORVs, non-highway vehicles, trailers, and snowmobiles. Extra features added before delivery are in this 0.5%.
- Local: city/county/transit, etc. User-entered. Use DOR Motor vehicle sales and use tax rates — Quarter 3 (1 Jul–30 Sep 2026) special MVET location codes. Combined column on that flyer is 6.5% state + local only; the 0.5% is in addition.
- Private-party / out-of-state: use tax at registration (DOR / DOL).
- The clean alternative fuel / plug-in hybrid sales-and-use exemption expired 31 Jul 2025 (DOR auto-dealer guide). Do not apply it on 29 Aug 2026.
Selling price (RCW 82.08.010): total consideration except separately stated trade-in property of like kind. Out of selling price if separately stated: seller discounts not reimbursed by a third party; interest/finance charges; extended warranties. In: delivery charges; manufacturer-reimbursed third-party consideration that meets the statute’s tests. Documentary service fees are not subject to sales tax (DOR) when separately designated under RCW 46.70.180.
Cash down does not reduce tax. Rolling tax finances the tax; it does not change the tax.
Official tools (link; do not scrape): DOR local-rate lookup / Q3 2026 MV flyer; DOL tab-fee calculator.
| Channel | Official base | Trade-in reduces tax? | Manufacturer rebate |
|---|---|---|---|
| Dealer new or used | Selling price (6.5% + local + 0.5% MVST) | Yes, if like-kind property is delivered to the seller as consideration in the same deal and separately stated (WAC 458-20-247). Two cars traded on one purchase: both count. Over-allowance is capped at the purchased vehicle’s selling price. Liens on the trade do not cut the exclusion. | Seller-funded discounts taken on the sale are out. Third-party / manufacturer-reimbursed amounts generally stay in when RCW 82.08.010(1)(c) applies. |
| Private-party | Use tax on value/selling price at the buyer’s rate; paid at DOL if the seller did not collect | Only if that private seller actually takes like-kind property as consideration in one transaction (rare). Selling the old car to a different person does not create the exclusion. | n/a |
| Out-of-state purchase brought in | Use tax; credit for sales/use tax legally paid to another jurisdiction is the usual DOR rule — user-entered proof | Same like-kind tests if documented | n/a |
| Nonresident / delivery outside WA | Possible sales-tax exemption if the dealer delivers outside Washington and no WA plates/licensing (WAC 458-20-193; DOR dual-resident / out-of-state delivery). Not the default in-state path. | n/a | n/a |
Do not use Georgia TAVT. Do not treat Washington as a single statewide combined rate.
Official title, tag, lemon, EV, doc cap
| Item | Amount | Source |
|---|---|---|
| Title application | $15 now; $40 dealer retail sale/lease from 1 Oct 2026 | RCW 46.17.100 |
| Filing, title + registration | $12.50 | RCW 46.17.005; DOL table |
| Service, title + registration | $29 | RCW 46.17.040 |
| Passenger license | $30 | RCW 46.17.350 |
| Weight fee (≤ 4,000 lbs) | $35 | RCW 46.17.365 |
| Additional weight fee | $10 | DOL table |
| License service | $0.75 | DOL table |
| Original issue plate | $50 each | RCW 46.17.200 |
| Plate reflectivity | $2 each | Same |
| Plate transfer | $10 | Same |
| New-vehicle arbitration | $3 | RCW 19.118.110 |
| Quick title | $50 extra | RCW 46.17.160 |
| Title transfer late | $50 on day 16, then $2/day up to $125 | RCW 46.17.140 |
| EV $100 + $50 (renewal) | $150 | RCW 46.17.323 (vehicle that recharges from an external source and can travel ≥ 30 miles on battery; > 35 mph; not electric motorcycles). Renewal only. |
| Transportation electrification (renewal) | $75 | RCW 46.17.324 (renewal only). Hybrids/AFV not in 46.17.323 pay this $75 in lieu. |
| Electric motorcycle (renewal) | $30 | RCW 46.17.323(5) |
| RTA MVET | 1.1% × depreciated MSRP | DOL RTA page; RCW 81.104.160. User-entered locality. |
| TBD | Varies by city | DOL TBD page; user-entered |
| Documentary service fee | Max $200; not in the sales-tax base | RCW 46.70.180(2); DOR. Default $0. |
Omitted on purpose: average doc fee; a statewide combined local rate; inspection; messenger; EMS add-on unless the user enters it. Default $0.
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Interest Rates: What the Government Actually Publishes
Washington does not publish an official statewide auto loan APR. The closest government benchmark is the Federal Reserve’s G.19 Consumer Credit release (Regulation Z APRs for new-car loans).
As of the August 7, 2026 release (Q2 2026 / June data):
| Series | Rate | Period |
|---|---|---|
| Commercial bank 60-month new car | 7.14% | Q2 2026 |
| Commercial bank 72-month new car | 6.97% | Q2 2026 |
| Finance company new car (amount-weighted) | 6.08% | Mar 2026 (FRED) |
These are not your guaranteed rate. Bank figures are unweighted averages of each bank’s most common quoted rate in a specific week—not weighted by loan volume, and not Washington-specific.
Important: G.19 does not publish a used-car APR. There is no official government “used car rate” to prefill. Enter your lender’s quote. A calculator may show 7.14% only as an illustration labeled as the new-car bank average—not as a promise of your rate.
Do not assume longer terms are cheaper just because the 72-month bank average (6.97%) prints below the 60-month average (7.14%). The Fed explains that reflects which rate each bank quotes most often, not a mathematical term premium.
References:
- Federal Reserve G.19 Consumer Credit (release dated August 7, 2026)
- Federal Reserve H.15 Selected Interest Rates
How Loan Payments Are Calculated
Treat the entered rate as a nominal annual rate, compounded monthly. Monthly rate \(i = \text{rate}/12\). For amount financed \(P\) over \(n\) months:
\[ M = P \times \frac{i\,(1+i)^{n}}{(1+i)^{n}-1} \]
If \(i = 0\), \(M = P/n\). Round \(M\) to cents (ROUND_HALF_UP); last payment clears the residual. Totals from the schedule.
Amount financed ≈ (price − down − trade + trade payoff − rebate) + rolled sales/use + 0.5% MVST + title/filing/service/license/weight/plates/arbitration/doc + financed GAP/warranty. Cash due ≈ down + any tax/fees/doc not rolled. Cash down does not change tax. A qualifying like-kind trade-in does. Doc fee (if charged) is not in the sales-tax base.
This is an estimate, not a Regulation Z APR solution.
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Amount financed is approximately: vehicle price (plus taxable doc fees where applicable), minus down payment, trade-in, and rebates (per state rules), plus trade payoff if you owe more than the trade is worth, plus rolled taxes and title/registration fees, plus financed GAP or warranty.
Cash due at signing is approximately your down payment plus any tax and fees you pay upfront instead of financing.
Rolling tax into the loan does not change the tax owed—it changes when you pay it and how much interest you pay over the life of the loan.
Important: Any online estimate is not a Truth in Lending (Regulation Z) disclosure and is not a lender offer. Your bank’s contract controls the final payment, fees, and APR.
Official Worked Examples
The examples below use the same assumptions as the official Washington fact brief: $38,000 vehicle price, $3,800 down, no trade or rebate unless noted, Fed G.19 60-month bank APR 7.14%, 60-month term, and taxes/fees rolled unless Example B says otherwise.
Example A — State tax + MVST + title/tag/plates rolled
Scenario: Add user-entered local sales tax, RTA, and TBD before quoting a real city. From 1 Oct 2026, swap title application $15 → $40 on a dealer retail sale.
Amount financed \(P\) = 38,000 − 3,800 + 2,660.00 + 229.25 = $37,089.25.
Example B — Same deal, tax + fees cash
Scenario: \(P\) = 38,000 − 3,800 = $34,200.00. Tax $2,660 + fees $229.25 paid at signing. | | Amount | |—|—:| | Monthly payment | $679.46 | | Cash due | $6,689.25 | | Total of payments | $40,767.75 | | Total interest | $6,567.75 | Rolling costs $554.86 extra interest vs cash, and
\(P\) = 38,000 − 3,800 = $34,200.00. Tax $2,660 + fees $229.25 paid at signing.
Rolling costs $554.86 extra interest vs cash, and $2,889.25 less cash at signing.
Example C — Dealer used with like-kind trade-in
Scenario: Payment is not shown at a “used official APR” — G.19 has none.
Price $18,500, trade $3,000 delivered to that dealer as consideration.
Taxable selling price = 18,500 − 3,000 = $15,500.
State 6.5% = $1,007.50; MVST 0.5% = $77.50; state subtotal $1,085.00 plus user-entered local.
State 6.5% = $1,007.50; MVST 0.5% = $77.50; state subtotal $1,085.00 plus user-entered local. Payment is not shown at a “used official APR” — G.19 has none.
Example D — Sound Transit RTA (illustration only, not a statewide default)
Scenario: —
If the buyer lives in the Sound Transit district and MSRP = $38,000, year-of-service 1 (100%): RTA = 0.011 × 38,000 = $418.00. That is an MVET on depreciated MSRP, not a second sales tax, and it is $0 outside the district. Do not bake $418 into a statewide default.
Planning Cash Due vs Monthly Payment
Two numbers matter at signing: cash due and monthly payment. They move in opposite directions when you roll taxes and fees into the loan. Financing $2,500 of tax at 7.14% over 60 months adds roughly $50 per month in payment—but keeps that $2,500 out of your wallet on day one.
Neither choice changes the tax owed to Washington. It only changes how much interest you pay over time. Compare both structures using the official worked examples above before you decide at the dealer finance office.
Example: Rolling $2,000 of fees vs paying cash
If you finance an extra $2,000 at 7.14% / 60 months: Monthly payment increases by about $40 Total extra interest ≈ $385 over 5 years If you pay the $2,000 at signing: Monthly payment stays lower You need $2,000 more cash on day one
Use the Washington calculator’s roll-tax and roll-fees checkboxes to see both sides with your actual price and down payment.
Washington Lending Notes (Not Calculator Line Items)
- Retail installment service charge: the rate agreed and disclosed — RCW 63.14.130. No separate statutory auto-loan APR ceiling in that section. General usury (RCW 19.52) does not apply to retail installment transactions (RCW 19.52.100; DFI).
- No FTC cooling-off on a dealership purchase. Bushing: the dealer has four calendar days (excluding Saturday, Sunday, legal holiday) to accept or reject the contract/financing — RCW 46.70.180(4).
- Lemon Law: chapter 19.118 RCW; $3 arbitration fee on a new sale/lease that will be registered in Washington (§ 19.118.110).
- Doc fee: optional, negotiable, ≤ $200, advertised and disclosed as negotiable; dealer may not say the state requires it (RCW 46.70.180(2)). Not sales-taxable (DOR).
- GAP / warranties: out of the MVST base when they are post-sale products (DOR); if financed, add to principal. Do not invent a default price.
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How the Washington Auto Loan Calculator Works
Our VehicleTaxCalculator.com Washington auto loan calculator follows the same logic described in this guide:
- Purchase details — You enter price, down payment, trade-in, payoff, rebates, and any taxable or non-taxable doc fees per Washington law.
- Tax computation — The tool applies the official Washington rate or formula to the correct taxable base (which may differ for dealer vs private-party purchases).
- Fees — Title, registration, plate, and state-specific surcharges use official defaults where published; county or local add-ons stay user-entered.
- Roll-in flags — Choose whether to finance taxes and/or title and registration fees.
- Financing — APR defaults to 7.14% (G.19 60-month new-car bank average); term defaults to 60 months. Change both to match your lender.
- Results — You see tax breakdown, amount financed, estimated monthly payment, cash due, total of payments, and total interest.
Example: Using the calculator for a quick check
Scenario: You are buying a $32,000 vehicle with $4,000 down at a Washington dealer. You plan to roll tax and fees into the loan and your credit union quoted 6.9% for 72 months.
Enter: Price $32,000 | Down $4,000 | APR 6.9% | Term 72 Enable: Roll tax into loan | Roll fees into loan Compare: Monthly payment and cash due vs dealer worksheet
If the dealer’s payment is far higher, ask which fees were included in the tax base or amount financed—Washington rules may treat doc fees, trade-ins, or rebates differently than you assumed.
Common Questions
Should I roll taxes into my loan?
Rolling Washington’s vehicle tax or excise into financing does not change how much tax you owe. It spreads the cost across monthly payments and adds interest. Many buyers finance tax for cash-flow reasons; others pay at the tag office to save interest.
What APR should I use?
The Federal Reserve G.19 series publishes a 60-month new-car bank average of 7.14% (Q2 2026). That is an illustration, not your guaranteed rate. G.19 does not publish used-car APRs—enter your lender’s quote.
Are dealer doc fees official?
Most states do not publish average doc fees as government data. Washington may cap or tax doc fees differently; see the official fee table above. Default doc fees to $0 unless you know your dealer’s charge.
Is this a Truth in Lending disclosure?
No. Any online calculator—including ours—is an estimate for planning. Your signed retail installment contract and lender disclosures control the binding payment and APR.
Should I rely on Experian / Edmunds / Bankrate / LendingTree APRs or credit-tier tables?
No. Experian / Edmunds / Bankrate / LendingTree APRs or credit-tier tables is not an official government figure for calculator defaults. Use only statute-backed rates and fees, or enter your own numbers.
Should I rely on CarEdge (or any) average doc fee; doc fee above $200?
No. CarEdge (or any) average doc fee; doc fee above $200 is not an official government figure for calculator defaults. Use only statute-backed rates and fees, or enter your own numbers.
Should I rely on A single statewide combined sales-tax rate?
No. A single statewide combined sales-tax rate is not an official government figure for calculator defaults. Use only statute-backed rates and fees, or enter your own numbers.
Should I rely on Georgia TAVT?
No. Georgia TAVT is not an official government figure for calculator defaults. Use only statute-backed rates and fees, or enter your own numbers.
Should I rely on Skipping the 0.5% MVST (or using the expired 0.3%)?
No. Skipping the 0.5% MVST (or using the expired 0.3%) is not an official government figure for calculator defaults. Use only statute-backed rates and fees, or enter your own numbers.
Should I rely on Applying the expired EV sales-tax exemption (ended 31 Jul 2025)?
No. Applying the expired EV sales-tax exemption (ended 31 Jul 2025) is not an official government figure for calculator defaults. Use only statute-backed rates and fees, or enter your own numbers.
What Belongs in a Calculator vs What You Must Enter
| Input | Official default? | Notes |
|---|---|---|
| State vehicle tax / excise rate | Yes — per statute | 6.5% |
| Title and registration fees | Yes — where fixed | State fee schedule |
| APR (new, illustrative) | Yes — 7.14% at 60 mo | Fed G.19 Q2 2026 only |
| Vehicle price, down, trade | No | You enter |
| Used-car APR | No | No government series |
| Doc fee average | No | Default $0 unless capped by law |
| Credit score tiers | No | Not published officially |
| County / local add-ons | Often user-entered | Verify local schedule |
Data Sources and Accuracy
This guide and the Washington auto loan calculator rely on:
- Washington statutes and administrative rules cited in the official fact brief
- State department of revenue and motor vehicle publications (fee schedules, tax bulletins, forms)
- Federal Reserve G.19 and H.15 releases for benchmark interest rates
Rates and fees can change when the legislature acts or when agencies update bulletins. Always confirm final amounts with your lender and Washington motor vehicle office before signing.
Conclusion
Washington car financing is built on three layers: vehicle tax or excise (how you buy determines the tax base), official title and registration fees (fixed dollar amounts where published), and loan math (amount financed, APR, and term—with government benchmarks only for new-car bank averages, not your personal rate).
The biggest mistakes shoppers make are using another state’s tax model, trusting credit-tier APR tables with no official source, or forgetting that rolling tax into the loan increases total interest. Work through your deal with the purchase channel, roll-in choices, and your lender’s actual quote—and compare the result to the state’s own publications when you are ready to title the vehicle.
Disclaimer: This article is for educational purposes only. It is not legal, tax, or financial advice. Figures reflect official sources as of August 2026. Your dealer, lender, and state motor vehicle agency determine binding amounts on your contract and title paperwork.
Complete Reference List
- RCW 82.08.020 (6.5%; 0.5% motor-vehicle tax); 82.08.010 (selling price / trade-in); 82.14.450(4) (public-safety local exemption on motor-vehicle sales); WAC 458-20-247.
- RCW 46.17.005, .040, .100, .200, .323, .324, .350, .365; 46.70.180(2) (doc-fee cap $200); 19.118.110 ($3 arbitration); 63.14.130 (RIC service charge); 81.104.160 (RTA).
- Washington DOR: motor vehicle sales/use tax; Q3 2026 MVET flyer; auto-dealer miscellaneous / doc fees.
- Washington DOL: calculate tab fees; RTA tax; TBD fees.
- Federal Reserve G.19 (7 Aug 2026); H.15; FRED RIELPCFANNM.
- Federal Reserve G.19 Consumer Credit
- Federal Reserve H.15 Selected Interest Rates