MilePrice

What it costs to fuel a 2026 Chevrolet Silverado in Idaho

Silverado Mud Terrain Tires 4WD 4M · 17 mpgPrices updated weekly from EIA data

Short answer

$233a month

Driving 1,000 miles a month at $3.96 a gallon for regular. That's 23.3¢ a mile and $2,793 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 · 17 mpgEstimated fuel cost
$233/ month
17 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
$2,793
Per mile
23.3¢
Over 5 years
$13,966
Compare with an electric car
Planning a road trip in the Silverado?See what any drive would cost to fuel, and split it with friends.

Every 2026 Silverado version in Idaho

VersionDriveEPA ratingPer month
Silverado 2WDRWD25 mpgdiesel$249
Silverado (with Sport Mode) 4WD4WD24 mpgdiesel$259
Silverado 4WD4WD23 mpgdiesel$270
Silverado Mud Terrain Tires 4WD (Sport/off road)4WD23 mpgdiesel$270
Silverado Mud Terrain Tires 4WD4WD23 mpgdiesel$270
Silverado 4WD ZR2 (Sport/Off Road)4WD21 mpgdiesel$296
Silverado 2WDRWD20 mpg$198
Silverado (with Sport Mode) 2WDRWD19 mpg$208
Silverado 4WD 4M4WD19 mpg$208
Silverado (with Sport Mode) 2WDRWD18 mpg$220
Silverado (with Sport Mode) 4WD M64WD18 mpg$220
Silverado 2WDRWD17 mpg$233
Silverado Mud Terrain Tires 4WD 4M(used in headline figures)4WD17 mpg$233
Silverado Mud Terrain Tires (with Sport Mode) 4WD4WD17 mpg$233
Silverado 4WD (Flex Fuel)4WD17 mpg$233
Silverado Mud Terrain Tires 4WD FFV4WD17 mpg$233
Silverado 4WD4WD17 mpgpremium$273
Silverado (with Sport Mode) 4WD4WD17 mpg$233
Silverado 4WD4WD17 mpg$233
Silverado Mud Terrain Tires (Sport Mode) 4WD4WD16 mpg$247
Silverado Mud Terrain Tires 4WD4WD16 mpg$247
Silverado Cab Chassis 2WDRWD16 mpg$247
Silverado Mud Terrain Tires 4WD4WD15 mpgpremium$310
Silverado 4WD ZR24WD15 mpgpremium$310
Silverado Cab Chassis 4WD4WD15 mpg$264

Silverado vs. Chevrolet Silverado EV in Idaho

Chevrolet Silverado17 mpg
$233/mo
Chevrolet Silverado EV49.5 kWh/100 mi
$63/mo

The Silverado EV costs about $2,034 a year less to run here.Counting Idaho's $140 EV fee, the saving is about $1,894.

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 Silverado (17 mpg) pays about $30 a month in fuel tax, $363 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 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 Silverado costs about $29 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 Silverado

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

Cheapest states
  1. 1Texas$200
  2. 2New Mexico$202
  3. 3Louisiana$203
  4. 4Mississippi$205
  5. 5Arkansas$206
Around Idaho
  1. 25Minnesota$226
  2. 26Wyoming$227
  3. 27Idaho$233
  4. 28Montana$233
  5. 29Delaware$234

Questions people ask

How much does it cost to fuel a Chevrolet Silverado in Idaho?

About $233 a month for 1,000 miles, or $2,793 a year, for the 2026 Silverado Mud Terrain Tires 4WD 4M (17 mpg) at $3.96 a gallon for regular. That works out to 23.3¢ a mile.

Which Silverado version is cheapest to fuel?

The Silverado 2WD (20 mpg), at about $198 a month in Idaho. The 2026 Silverado comes in 25 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