MilePrice

What it costs to fuel a 2026 Toyota Corolla in Idaho

Corolla Hatchback · 35 mpgPrices updated weekly from EIA data

Short answer

$113a month

Driving 1,000 miles a month at $3.96 a gallon for regular. That's 11.3¢ a mile and $1,357 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

1,000 mi
1003,000
Blank uses the Idaho average
Gas · 35 mpgEstimated fuel cost
$113/ month
35 mpg (EPA combined) × $3.96/gal regularEstimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average)
Per year
$1,357
Per mile
11.3¢
Over 5 years
$6,783
Compare with an electric car
Planning a road trip in the Corolla?See what any drive would cost to fuel, and split it with friends.

Every 2026 Corolla version in Idaho

VersionDriveEPA ratingPer month
Corolla HybridFWD50 mpg$79
Corolla Hybrid AWDAWD48 mpg$82
Corolla Hybrid SEFWD47 mpg$84
Corolla Hybrid SE AWDAWD44 mpg$90
Corolla (1-mode TM)FWD35 mpg$113
Corolla Hatchback(used in headline figures)FWD35 mpg$113
Corolla (3-mode TM)FWD34 mpg$116
CorollaFWD34 mpg$116
Corolla Hatchback XSEFWD33 mpg$120
Corolla Hatchback FXFWD33 mpg$120
GR CorollaAWD24 mpgpremium$194
GR CorollaAWD22 mpgpremium$211

Corolla vs. Tesla Model Y in Idaho

Toyota Corolla35 mpg
$113/mo
Tesla Model Y25.7 kWh/100 mi
$33/mo

The Model Y costs about $963 a year less to run here.Counting Idaho's $140 EV fee, the saving is about $823.

See the break-even

Idaho'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 Corolla (35 mpg) pays about $15 a month in fuel tax, $176 a year. Idaho's state gas tax is near the middle of the 50 states and DC.

Idaho charges no extra fee for the Corolla'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 Corolla costs about $14 a month less to fuel than four weeks ago.

Weekly price of regular, Rocky Mountain average (dollars per gallon)
$2.00$3.00$4.00$5.00Jan 2026AprJulOct$3.95
Show every weekly figure

EIA weekly retail gasoline and diesel prices.

Idaho is about average to fuel a Corolla

27th cheapest of the 50 states and DC, at 1,000 miles a month. See every state

Cheapest states
  1. 1Texas$97
  2. 2New Mexico$98
  3. 3Louisiana$99
  4. 4Mississippi$100
  5. 5Arkansas$100
Around Idaho
  1. 25Minnesota$110
  2. 26Wyoming$110
  3. 27Idaho$113
  4. 28Montana$113
  5. 29Delaware$114

Questions people ask

How much does it cost to fuel a Toyota Corolla in Idaho?

About $113 a month for 1,000 miles, or $1,357 a year, for the 2026 Corolla Hatchback (35 mpg) at $3.96 a gallon for regular. That works out to 11.3¢ a mile.

Which Corolla version is cheapest to fuel?

The Corolla Hybrid (50 mpg), at about $79 a month in Idaho. The 2026 Corolla comes in 12 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