MilePrice

What it costs to fuel a 2026 Honda Civic in Idaho

Civic 4Dr · 34 mpgPrices updated weekly from EIA data

Short answer

$133a month

Driving 1,000 miles a month at $4.52 a gallon for regular. That's 13.3¢ a mile and $1,596 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 · 34 mpgEstimated fuel cost
$133/ month
34 mpg (EPA combined) × $4.52/gal regularEstimate: Rocky Mountain regional average, adjusted for Idaho's fuel tax (1.1¢/gal higher than the region's average)
Per year
$1,596
Per mile
13.3¢
Over 5 years
$7,978
Compare with an electric car
Planning a road trip in the Civic?See what any drive would cost to fuel, and split it with friends.
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Every 2026 Civic version in Idaho

VersionDriveEPA ratingPer month
Civic 4DrFWD49 mpg$92
Civic 5DrFWD48 mpg$94
Civic 4DrFWD36 mpg$126
Civic 4Dr(used in headline figures)FWD34 mpg$133
Civic 5DrFWD34 mpg$133
Civic 4DrFWD31 mpgpremium$168
Civic 5DrFWD24 mpgpremium$217

Civic vs. Tesla Model Y in Idaho

Honda Civic34 mpg
$133/mo
Tesla Model Y25.7 kWh/100 mi
$33/mo

The Model Y costs about $1,205 a year less to run here.

See the break-even
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Idaho is the 15th most expensive state to fuel a Civic

37th cheapest of the 50 states and DC, at 1,000 miles a month. See every state

Cheapest states
  1. 1New Mexico$116
  2. 2Texas$116
  3. 3Louisiana$116
  4. 4Mississippi$117
  5. 5Arkansas$117
Around Idaho
  1. 35Rhode Island$132
  2. 36Maryland$133
  3. 37Idaho$133
  4. 38Montana$133
  5. 39New Jersey$133

Questions people ask

How much does it cost to fuel a Honda Civic in Idaho?

About $133 a month for 1,000 miles, or $1,596 a year, for the 2026 Civic 4Dr (34 mpg) at $4.52 a gallon for regular. That works out to 13.3¢ a mile.

Which Civic version is cheapest to fuel?

The Civic 4Dr (49 mpg), at about $92 a month in Idaho. The 2026 Civic 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.

Efficiency: U.S. EPA ratings for the 2026 model year. Gas prices: EIA weekly survey, week of September 21, 2026. Electricity: EIA average home rates, August 2025 to July 2026. Fuel taxes: EIA, July 2026 (revised). How we calculate