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State Guide Last verified August 27, 2026

Colorado Car Sales Tax, Trade-In Credit, and Out-of-State Rules

What the desk and the buyer each need to know when a Colorado deal crosses state lines: the rate, the trade-in math, the exemption paperwork, and the drive-home tags. Every fact links to the official source.

Check an Out-of-State Deal Jump to Quick Facts

Every fact sourced to Colorado official publications below

Short answer

Colorado taxes vehicle sales at 2.9%. Colorado taxes the price after the trade-in is deducted. The trade-in must itself be a vehicle subject to licensing, registration, or certification. Colorado exempts out-of-state buyers only under specific conditions: The vehicle must be delivered to a nonresident to be licensed outside Colorado, must not be licensed or registered in Colorado, and must be removed from Colorado within thirty (30) days of purchase. Colorado credits sales tax legally paid to another state, so the same dollars are not taxed twice. Everything here assumes a retail purchase from a dealer, since most states treat leases and private-party sales differently.

Colorado car sales tax quick facts

Last verified August 27, 2026
Sales tax rate on vehicles2.9%[1]
Trade-in creditColorado taxes the price after the trade-in is deducted. The trade-in must itself be a vehicle subject to licensing, registration, or certification.[2]
Selling to an out-of-state buyerColorado exempts out-of-state buyers only under specific conditions: The vehicle must be delivered to a nonresident to be licensed outside Colorado, must not be licensed or registered in Colorado, and must be removed from Colorado within thirty (30) days of purchase.[3]
Credit for tax paid to another stateColorado credits sales tax legally paid to another state, so the same dollars are not taxed twice.[2]
Dealer doc feeCap: Not yet verified against an official source. Confirm with the Colorado Department of Revenue, Taxation Division. Official site → · taxable[2]
Temp tag for the drive homeColorado dealers issue the temporary registration permit themselves at the time of sale, and it runs 60 days. The dealer cannot issue one without proof of insurance from the buyer. Colorado's published temp-permit rules set no separate term for a buyer who will register the vehicle in another state. (valid 60 days)[4]
Out-of-state buyer registrationNot yet verified against an official source. Confirm with the Colorado Department of Revenue, Taxation Division. Official site →
General information, not tax or legal advice. Rates and rules change. Before you write a check, confirm with the Colorado Department of Revenue, Taxation Division or your accountant. Last verified August 27, 2026. Covers retail dealer sales; leases and private-party sales follow different rules in most states.

From the desk

Colorado's state rate looks tiny until the city, county, and district add-ons stack, and delivery address drives which ones apply. The desk that quotes off the dealership's own zip code gets surprised at registration.

Selling to an out-of-state buyer in Colorado

Colorado exempts out-of-state buyers only under specific conditions: The vehicle must be delivered to a nonresident to be licensed outside Colorado, must not be licensed or registered in Colorado, and must be removed from Colorado within thirty (30) days of purchase.[3]

What makes the exemption stick is DR 0780 (Statement of Sales Tax Exemption for Motor Vehicle Purchase), completed at delivery. Without it, the assessment letter goes to the dealership, not the buyer.

Whatever the tax treatment, the desk owns what happens next: title in transit, tag on the car, registration filed in another state. Voltra's title tracking exists so none of it goes quiet.

Buying in Colorado from out of state

If you live in another state and buy in Colorado, the deciding rule is where the vehicle gets registered: your home state's tax applies at registration, and what happens at the Colorado sale depends on the row above. Colorado credits sales tax legally paid to another state, so the same dollars are not taxed twice.[2]

Registration and temp tags

Colorado dealers issue the temporary registration permit themselves at the time of sale, and it runs 60 days. The dealer cannot issue one without proof of insurance from the buyer. Colorado's published temp-permit rules set no separate term for a buyer who will register the vehicle in another state. Validity: 60 days.[4]

Bordering states

Cross-border deals from Colorado most often involve Kansas, Nebraska, New Mexico, Oklahoma, Utah and Wyoming. The rules change with every pairing, so run yours through the out-of-state checker.

Sources

  1. tax.colorado.gov/sales-tax-guide · verified 2026-08-27
  2. tax.colorado.gov/sales-use-tax-topics-motor-vehicle-sales · verified 2026-08-27
  3. tax.colorado.gov/DR0780 · verified 2026-08-27
  4. dmv.colorado.gov/colorado-dealers · verified 2026-08-27

Colorado car sales tax questions

Colorado taxes vehicle sales at 2.9%. That percentage applies to the taxable price figured at the desk, which is exactly where trade-in credit and doc fees earn their keep.

Colorado taxes the price after the trade-in is deducted. The trade-in must itself be a vehicle subject to licensing, registration, or certification. Since the treatment feeds straight into the taxable price, the same unit and the same trade tax out differently by state.

Colorado exempts out-of-state buyers only under specific conditions: The vehicle must be delivered to a nonresident to be licensed outside Colorado, must not be licensed or registered in Colorado, and must be removed from Colorado within thirty (30) days of purchase. The exemption runs on DR 0780 (Statement of Sales Tax Exemption for Motor Vehicle Purchase), completed at delivery.

Colorado credits sales tax legally paid to another state, so the same dollars are not taxed twice.

The doc fee counts toward the taxable price.