Based on data from 314 vehicles, 24,513 fuel-ups and 8,508,638 miles of driving, the 2021 Chevrolet Silverado 1500 gets a combined Avg MPG of 18.98 with a 0.08 MPG margin of error.

Any Engine Type 2.7L L4 GAS (33) 3.0L L6 DIESEL (120) 4.3L V6 GAS (5) 5.3L V8 FLEX (3) 5.3L V8 GAS (121) 6.2L V8 GAS (26) V6 GAS (1) V8 GAS (3) Any Body Style Extended Cab Pickup (5) Crew Cab Pickup (82) Cab & Chassis (1) Cab & Chassis - Crew Cab (1) Any Submodel WT (4) Custom Trail Boss (11) High Country (15) Custom (24) LTZ (36) LT Trail Boss (54) LT (68) RST (102)

Below you can see a distribution of the fuel-ups with 163 outliers (0.66%) removed.

Following shows the average MPG of each of the 314 vehicles in the system.

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• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 5.3L V8 GAS Automatic 8 Speed
  Added May 2021 • 254 Fuel-ups

  Property of KNBedow

• 18.2 Avg MPG

• 21' TRUCK

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Nov 2021 • 230 Fuel-ups

  Property of youngpup

• 14.7 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT 2.7L L4 GAS Automatic 10 Speed
  Added Mar 2024 • 39 Fuel-ups

  Property of osd2112

• 18.4 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2024 • 22 Fuel-ups

  Property of skyboy3351

• 22.5 Avg MPG

• 2022 2.7 430 ftlbs torque version

  2021 Chevrolet Silverado 1500 LT 2.7L L4 GAS Automatic 8 Speed Crew Cab Pickup
  Added May 2022 • 160 Fuel-ups

  Property of bickj

• 22.5 Avg MPG

• Silverado

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added May 2024 • 67 Fuel-ups

  Property of eliminster

• 23.1 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 High Country 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2023 • 40 Fuel-ups

  Property of BChinn

• 21.4 Avg MPG

• Bruno

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2022 • 89 Fuel-ups

  Property of sevenhelmet

• 26.3 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2021 • 358 Fuel-ups

  Property of gboxx711

• 25.7 Avg MPG

• Chevy Duramax

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2020 • 244 Fuel-ups

  Property of posio3

• 24.4 Avg MPG

• Ole Blue

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2022 • 143 Fuel-ups

  Property of steveeco1

• 25.5 Avg MPG

• Bella 2021 Chevy Pickup

  2021 Chevrolet Silverado 1500 Custom 2.7L L4 GAS Automatic 8 Speed Cab & Chassis - Crew Cab
  Added Oct 2021 • 60 Fuel-ups

  Property of BundleBill

• 17.2 Avg MPG

• Betty Blue

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2021 • 108 Fuel-ups

  Property of kgallemore78

• 19.9 Avg MPG

• Diana

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2021 • 204 Fuel-ups

  Property of akj8

• 20.9 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 5.3L V8 GAS Automatic 8 Speed
  Added May 2021 • 317 Fuel-ups

  Property of kipper1012

• 17.1 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed
  Added Nov 2020 • 308 Fuel-ups

  Property of mab2272

• 16.0 Avg MPG

• ‘21 High Country

  2021 Chevrolet Silverado 1500 High Country 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2025 • 21 Fuel-ups

  Property of CABonds

• 17.2 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2023 • 109 Fuel-ups

  Property of nereeder

• 20.2 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2022 • 87 Fuel-ups

  Property of mgleewood

• 23.9 Avg MPG

• Trail Boss

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 42 Fuel-ups

  Property of lfdfireman83

• 15.8 Avg MPG

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