MilePrice

What it costs to fuel a 2026 Chevrolet Silverado in Illinois

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

Short answer

$249a month

Driving 1,000 miles a month at $4.23 a gallon for regular. That's 24.9¢ a mile and $2,983 a year.

Estimate: Midwest regional average, adjusted for Illinois's fuel tax (35.8¢/gal higher than the region's average).

Change the version, miles or price

1,000 mi
1003,000
Blank uses the Illinois average
Gas · 17 mpgEstimated fuel cost
$249/ month
17 mpg (EPA combined) × $4.23/gal regularEstimate: Midwest regional average, adjusted for Illinois's fuel tax (35.8¢/gal higher than the region's average)
Per year
$2,983
Per mile
24.9¢
Over 5 years
$14,915
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 Illinois

VersionDriveEPA ratingPer month
Silverado 2WDRWD25 mpgdiesel$265
Silverado (with Sport Mode) 4WD4WD24 mpgdiesel$276
Silverado 4WD4WD23 mpgdiesel$288
Silverado Mud Terrain Tires 4WD (Sport/off road)4WD23 mpgdiesel$288
Silverado Mud Terrain Tires 4WD4WD23 mpgdiesel$288
Silverado 4WD ZR2 (Sport/Off Road)4WD21 mpgdiesel$315
Silverado 2WDRWD20 mpg$211
Silverado (with Sport Mode) 2WDRWD19 mpg$222
Silverado 4WD 4M4WD19 mpg$222
Silverado (with Sport Mode) 2WDRWD18 mpg$235
Silverado (with Sport Mode) 4WD M64WD18 mpg$235
Silverado 2WDRWD17 mpg$249
Silverado Mud Terrain Tires 4WD 4M(used in headline figures)4WD17 mpg$249
Silverado Mud Terrain Tires (with Sport Mode) 4WD4WD17 mpg$249
Silverado 4WD (Flex Fuel)4WD17 mpg$249
Silverado Mud Terrain Tires 4WD FFV4WD17 mpg$249
Silverado 4WD4WD17 mpgpremium$314
Silverado (with Sport Mode) 4WD4WD17 mpg$249
Silverado 4WD4WD17 mpg$249
Silverado Mud Terrain Tires (Sport Mode) 4WD4WD16 mpg$264
Silverado Mud Terrain Tires 4WD4WD16 mpg$264
Silverado Cab Chassis 2WDRWD16 mpg$264
Silverado Mud Terrain Tires 4WD4WD15 mpgpremium$356
Silverado 4WD ZR24WD15 mpgpremium$356
Silverado Cab Chassis 4WD4WD15 mpg$282

Silverado vs. Chevrolet Silverado EV in Illinois

Chevrolet Silverado17 mpg
$249/mo
Chevrolet Silverado EV49.5 kWh/100 mi
$94/mo

The Silverado EV costs about $1,850 a year less to run here.Counting Illinois's $100 EV fee, the saving is about $1,750.

See the break-even

Illinois's gas tax: 71.7¢ a gallon, plus 18.4¢ federal

Of the estimated $4.23 a gallon for regular in Illinois, 90.1¢ is tax: 21% of the price. Counties and cities can add their own on top.

At 1,000 miles a month, the Silverado (17 mpg) pays about $53 a month in fuel tax, $636 a year. Illinois's state gas tax is the 2nd highest of the 50 states and DC.

Electric cars pay no gas tax, so Illinois charges them an extra registration fee instead: $100 a year.

Fuel taxes: EIA, July 2026 (revised); county and city taxes not included. Pump price is an estimate: Midwest regional average, adjusted for Illinois's fuel tax (35.8¢/gal higher than the region's average). EV fee: U.S. Department of Energy. Fees checked October 2026.

Midwest gas prices are down 28¢ in a month

EIA doesn't survey Illinois on its own, so the price on this page moves with the Midwest average: $3.87 a gallon for regular in the week of November 9, 2026, 28¢ less than four weeks earlier and 96¢ more than a year ago. Over the past year it ranged from $2.59 (week of January 5, 2026) to $4.41 (week of May 11, 2026). At 1,000 miles a month, the Silverado costs about $16 a month less to fuel than four weeks ago.

Weekly price of regular, Midwest average (dollars per gallon)
$2.50$3.00$3.50$4.00$4.50Jan 2026AprJulOct$3.87
Show every weekly figure

EIA weekly retail gasoline and diesel prices.

Illinois is the 10th most expensive state to fuel a Silverado

42nd 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 Illinois
  1. 40Rhode Island$245
  2. 41Maryland$248
  3. 42Illinois$249
  4. 43New Jersey$250
  5. 44Pennsylvania$255

Questions people ask

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

About $249 a month for 1,000 miles, or $2,983 a year, for the 2026 Silverado Mud Terrain Tires 4WD 4M (17 mpg) at $4.23 a gallon for regular. That works out to 24.9¢ a mile.

Which Silverado version is cheapest to fuel?

The Silverado 2WD (20 mpg), at about $211 a month in Illinois. The 2026 Silverado comes in 25 EPA-rated versions.

Where does the Illinois gas price come from?

Estimate: Midwest regional average, adjusted for Illinois's fuel tax (35.8¢/gal higher than the region's average). It updates every week when EIA publishes its survey.

How much of the gas price in Illinois is tax?

90.1¢ a gallon: 71.7¢ Illinois state tax and 18.4¢ federal tax. That is 21% of the estimated $4.23 a gallon for regular. Counties and cities can add their own on top.

Are gas prices going up in Illinois?

EIA doesn't survey Illinois on its own, so the price on this page moves with the Midwest average: $3.87 a gallon for regular in the week of November 9, 2026, 28¢ less than four weeks earlier and 96¢ 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