What it costs to fuel a 2026 Ram 1500 in Idaho
Short answer
Driving 1,000 miles a month at $4.33 a gallon for midgrade. That's 22.8¢ a mile and $2,736 a year.
Estimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average).
Change the version, miles or price
- Per year
- $2,736
- Per mile
- 22.8¢
- Over 5 years
- $13,680
Every 2026 1500 version in Idaho
| Version | Drive | EPA rating | Per month |
|---|---|---|---|
| 1500 2WD | RWD | 22 mpg | $180 |
| 1500 2WD | RWD | 21 mpg | $188 |
| 1500 4WD | 4WD | 21 mpg | $188 |
| 1500 4WD | 4WD | 20 mpg | $198 |
| 1500 2WD(used in headline figures) | RWD | 19 mpgmidgrade | $228 |
| 1500 4WD | 4WD | 18 mpgmidgrade | $241 |
| 1500 HO 4WD | 4WD | 17 mpgpremium | $273 |
| 1500 Warlock 4WD | 4WD | 17 mpg | $233 |
| 1500 RHO 4WD | 4WD | 15 mpgpremium | $310 |
| 1500 4WD | AWD | 12 mpgpremium | $387 |
1500 vs. Ford F-150 Lightning in Idaho
The F-150 Lightning costs about $2,001 a year less to run here.Counting Idaho's $140 EV fee, the saving is about $1,861.
See the break-evenIdaho's gas tax: 33¢ a gallon, plus 18.4¢ federal
Of the estimated $4.33 a gallon for midgrade in Idaho, 51.4¢ is tax: 12% of the price.
At 1,000 miles a month, the 1500 (19 mpg) pays about $27 a month in fuel tax, $325 a year. Idaho's state gas tax is near the middle of the 50 states and DC.
Electric cars pay no gas tax, so Idaho charges them an extra registration fee instead: $140 a year.
Fuel taxes: EIA, July 2026 (revised); county and city taxes not included. Pump price is an estimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average). EV fee: U.S. Department of Energy. Fees checked October 2026.
Rocky Mountain midgrade gas prices are down 46¢ in a month
EIA doesn't survey Idaho on its own, so the price on this page moves with the Rocky Mountain average: $4.32 a gallon for midgrade in the week of November 9, 2026, 46¢ less than four weeks earlier and $1.11 more than a year ago. Over the past year it ranged from $2.70 (week of January 5, 2026) to $4.94 (week of May 18, 2026). At 1,000 miles a month, the 1500 costs about $24 a month less to fuel than four weeks ago.
Show every weekly figure
EIA weekly retail gasoline and diesel prices.
Idaho is about average to fuel a 1500
25th cheapest of the 50 states and DC, at 1,000 miles a month. See every state
- 1Texas$207
- 2New Mexico$209
- 3Louisiana$211
- 4South Carolina$212
- 5Mississippi$212
- 23South Dakota$226
- 24Nebraska$228
- 25Idaho$228
- 26Wisconsin$228
- 27Montana$228
Questions people ask
How much does it cost to fuel a Ram 1500 in Idaho?
About $228 a month for 1,000 miles, or $2,736 a year, for the 2026 1500 2WD (19 mpg) at $4.33 a gallon for midgrade. That works out to 22.8¢ a mile.
Which 1500 version is cheapest to fuel?
The 1500 2WD (22 mpg), at about $180 a month in Idaho. The 2026 1500 comes in 10 EPA-rated versions.
Where does the Idaho gas price come from?
Estimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average). It updates every week when EIA publishes its survey.
How much of the gas price in Idaho is tax?
51.4¢ a gallon: 33¢ Idaho state tax and 18.4¢ federal tax. That is 12% of the estimated $4.33 a gallon for midgrade.
Are gas prices going up in Idaho?
EIA doesn't survey Idaho on its own, so the price on this page moves with the Rocky Mountain average: $4.32 a gallon for midgrade in the week of November 9, 2026, 46¢ less than four weeks earlier and $1.11 more than a year ago. Source: EIA's weekly retail price survey.
Efficiency: U.S. EPA ratings for the 2026 model year. Gas prices: EIA weekly survey, week of November 9, 2026. Electricity: EIA average home rates, September 2025 to August 2026. Fuel taxes: EIA, July 2026 (revised). How we calculate