2026 · Full-Size Pickup · Diesel

2026 Chevrolet Silverado Diesel MPG & fuel economy

The 2026 Chevrolet Silverado Diesel is a full-size pickup offered in 5 EPA-rated configurations. The most efficient version returns 25 MPG combined (23 city / 28 highway) on diesel. Across the lineup, combined ratings range from 21 to 25 MPG. That's down 1 MPG from the 2025 model. Among 21 full-size pickups rated for 2026, it ranks 16th for lowest fuel cost. At 15,000 miles a year with $3.70/gal diesel fuel, it costs about $2,220 a year to fuel.

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Combined 25 MPG 23 MPG city · 28 MPG hwy
Driving range — not published for this model
Your fuel cost $2,220 15,000 mi/yr · $14.80 per 100 mi
Class rank, 2026 #16 of 21 Full-Size Pickups by fuel cost

What will it cost you?

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Fuel average

The 2026 Chevrolet Silverado Diesel's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.8 km/L in the city and 11.9 km/L on the highway.

MPGkm/LL/100 km
City239.810.2
Highway2811.98.4
Combined2510.69.4

How it ranks among 2026 Full-Size Pickups

Full class ranking →
  1. 1Rivian R1T87 MPGe $1,048
  2. 2Tesla Cybertruck79 MPGe $1,158
  3. 3Chevrolet Silverado EV70 MPGe $1,291
  4. 4GMC Sierra EV68 MPGe $1,336
  5. 5Ford F150 Hybrid24 MPG $1,938
  6. 16Chevrolet Silverado Diesel25 MPG $2,220
  7. 21Jeep Gladiator19 MPG $2,447
2026 Silverado DieselOther full-size pickupsClass median: $2,214/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

Silverado Diesel MPG across model years

Full history →

5 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 3.0L 6-cyl turbo · 10-speed automatic
Silverado 2WD
Diesel 23 MPG 28 MPG 25 MPG — $2,220
4WD · 3.0L 6-cyl turbo · 10-speed automatic
Silverado (with Sport Mode) 4WD
Diesel 22 MPG 26 MPG 24 MPG — $2,312
4WD · 3.0L 6-cyl turbo · 10-speed automatic
Silverado 4WD
Diesel 22 MPG 25 MPG 23 MPG — $2,413
4WD · 3.0L 6-cyl turbo · 10-speed automatic
Silverado Mud Terrain Tires 4WD (Sport/off road)
Diesel 21 MPG 24 MPG 23 MPG — $2,413
4WD · 3.0L 6-cyl turbo · 10-speed automatic
Silverado 4WD ZR2 (Sport/Off Road)
Diesel 20 MPG 23 MPG 21 MPG — $2,643

Specs (most efficient configuration)

Fuel
Diesel
Engine / motor
3.0L 6-cyl turbo
Transmission
10-speed automatic
Drivetrain
RWD
Tailpipe CO₂
402 g/mi
EPA fuel economy score
5/10
EPA greenhouse gas score
4/10

2026 Chevrolet Silverado Diesel vs. rivals

Compare the 2026 Silverado Diesel

With any other car from any year, including other Silverado Diesel model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2026 Chevrolet Silverado (20 MPG), 2026 Chevrolet Silverado EV (70 MPGe)

Frequently asked questions

What is the gas mileage of the 2026 Chevrolet Silverado Diesel?

Up to 25 MPG combined (23 city / 28 highway); ratings range from 21 to 25 MPG depending on configuration.

What fuel does the 2026 Chevrolet Silverado Diesel use?

Diesel.

What is the fuel average in km/L for the 2026 Chevrolet Silverado Diesel?

The 2026 Chevrolet Silverado Diesel's fuel average is 10.6 km/L (9.4 L/100 km), or 25 MPG combined: 9.8 km/L in the city and 11.9 km/L on the highway.

How much does it cost to fuel the 2026 Chevrolet Silverado Diesel per year?

About $2,220 at 15,000 miles a year with $3.70/gal diesel fuel, or $14.80 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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