What it costs to fuel a 2026 Toyota Tacoma in Idaho
Short answer
Driving 1,000 miles a month at $3.96 a gallon for regular. That's 18.0¢ a mile and $2,158 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
- $2,158
- Per mile
- 18.0¢
- Over 5 years
- $10,792
Every 2026 Tacoma version in Idaho
| Version | Drive | EPA rating | Per month |
|---|---|---|---|
| Tacoma SR5/Sport/PreRunner 2WD | RWD | 23 mpg | $172 |
| Tacoma 2WD | RWD | 23 mpg | $172 |
| Tacoma Hybrid 4WD | 4WD | 23 mpg | $172 |
| Tacoma SR5/Sport/PreRunner 2WD(used in headline figures) | RWD | 22 mpg | $180 |
| Tacoma SR5/Sport/Off-Road/Limited 4WD | 4WD | 21 mpg | $188 |
| Tacoma 4WD | 4WD | 21 mpg | $188 |
| Tacoma 4WD MT | 4WD | 20 mpg | $198 |
Tacoma vs. Ford F-150 Lightning in Idaho
The F-150 Lightning costs about $1,424 a year less to run here.Counting Idaho's $140 EV fee, the saving is about $1,284.
See the break-evenIdaho's gas tax: 33¢ a gallon, plus 18.4¢ federal
Of the estimated $3.96 a gallon for regular in Idaho, 51.4¢ is tax: 13% of the price.
At 1,000 miles a month, the Tacoma (22 mpg) pays about $23 a month in fuel tax, $280 a year. Idaho's state gas tax is near the middle of the 50 states and DC.
Idaho charges no extra fee for the Tacoma's hybrid versions.
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). Hybrid fee: U.S. Department of Energy. EV fee: U.S. Department of Energy. Fees checked October 2026.
Rocky Mountain gas prices are down 49¢ in a month
EIA doesn't survey Idaho on its own, so the price on this page moves with the Rocky Mountain average: $3.95 a gallon for regular in the week of November 9, 2026, 49¢ less than four weeks earlier and $1.04 more than a year ago. Over the past year it ranged from $2.40 (week of January 5, 2026) to $4.59 (week of May 18, 2026). At 1,000 miles a month, the Tacoma costs about $22 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 Tacoma
27th cheapest of the 50 states and DC, at 1,000 miles a month. See every state
- 1Texas$155
- 2New Mexico$156
- 3Louisiana$157
- 4Mississippi$159
- 5Arkansas$159
Questions people ask
How much does it cost to fuel a Toyota Tacoma in Idaho?
About $180 a month for 1,000 miles, or $2,158 a year, for the 2026 Tacoma SR5/Sport/PreRunner 2WD (22 mpg) at $3.96 a gallon for regular. That works out to 18.0¢ a mile.
Which Tacoma version is cheapest to fuel?
The Tacoma SR5/Sport/PreRunner 2WD (23 mpg), at about $172 a month in Idaho. The 2026 Tacoma comes in 7 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 13% of the estimated $3.96 a gallon for regular.
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: $3.95 a gallon for regular in the week of November 9, 2026, 49¢ less than four weeks earlier and $1.04 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