CO · fuel prices · week of Nov 9, 2026
Colorado diesel and gas prices
The average pump price of diesel and gasoline in Colorado, against the country and the Rocky Mountain region, and what it costs a truck per mile.
$6.212/gal diesel
−3.7% from last week
- Regular
- $3.746
- Premium
- $4.465
- Diesel vs US
- +1.4%
- Diesel, 1 year
- +63.1%
Colorado prices by fuel
| Fuel | Per gallon | 1 wk | 1 yr | Basis |
|---|---|---|---|---|
| Diesel | $6.212 | −23.9¢ | +63.1% | Estimate |
| Regular gasoline | $3.746 | −32.2¢ | +42.1% | EIA survey |
| Midgrade gasoline | $4.143 | −31.8¢ | +37.7% | EIA survey |
| Premium gasoline | $4.465 | −37.0¢ | +32.8% | EIA survey |
Gasoline prices are EIA's weekly survey of Colorado. EIA does not survey diesel here, so the diesel price is an estimate: the Rocky Mountain regional survey with Colorado's diesel tax in place of the region's average.
Colorado · monthly · dollars per gallon
Colorado fuel price history
DieselRegular gasoline
Diesel in Colorado averaged $6.212 a gallon in the week of Nov 9, 2026, +1.4% against the US average of $6.127 and against $6.206 across the Rocky Mountain region. That ranks Colorado 21 of 49 for diesel, most expensive first.
Estimated history applies today's tax rates to past regional prices.
Fuel taxes in Colorado
| Per gallon | State | Federal | Total |
|---|---|---|---|
| Diesel | $0.357 | $0.244 | $0.601 |
| Gasoline | $0.302 | $0.184 | $0.486 |
State excise tax plus other state taxes and fees. EIA, July 2026.
Diesel cost per mile in Colorado
At $6.212 a gallon, with fuel's share of the all-in rate for loads leaving Colorado. Colorado freight rates →
| Truck type | Fuel per mile | Per 1,000 miles |
|---|---|---|
| VAN53' dry van | $0.91 | $914 |
| REEF53' refrigerated | $1.02 | $1,018 |
| FLAT48' flatbed | $0.97 | $971 |
| STEPStep deck | $1.00 | $1,002 |
| PWRPower only | $0.91 | $914 |
| HOTHotshot | $0.62 | $621 |
| BOX26' box truck | $0.69 | $690 |
| SPRTSprinter van | $0.39 | $388 |
Fuel prices by city in Colorado
- Denver729,019
- Colorado Springs493,554
- Aurora403,130
- Fort Collins170,924
- Lakewood156,868
- Thornton146,689
- Arvada121,873
- Westminster115,302
- Greeley114,363
- Pueblo111,166
- Centennial108,853
- Boulder106,803
- Longmont99,818
- Castle Rock83,213
- Loveland81,102
- Broomfield78,323
- Grand Junction70,554
- Commerce City70,245
- Parker65,473
- Littleton44,879
- Brighton43,473
- Windsor41,734
- Erie38,594
- Northglenn38,287
- Englewood35,238
- Wheat Ridge31,999
- Lafayette30,587
- Fountain29,457
- Evans22,394
- Montrose21,646
- Louisville20,811
- Johnstown20,639
- Golden20,151
- Durango19,811
- Firestone19,396
- Frederick17,937