Based on data from 306 vehicles, 23,048 fuel-ups and 8,044,854 miles of driving, the 2021 Chevrolet Silverado 1500 gets a combined Avg MPG of 19.10 with a 0.08 MPG margin of error.

Any Engine Type 2.7L L4 GAS (34) 3.0L L6 DIESEL (117) 4.3L V6 GAS (5) 5.3L V8 FLEX (2) 5.3L V8 GAS (120) 6.2L V8 GAS (22) V6 GAS (1) V8 GAS (3) Any Body Style Extended Cab Pickup (5) Crew Cab Pickup (78) Cab & Chassis (1) Cab & Chassis - Crew Cab (1) Any Submodel WT (4) Custom Trail Boss (11) High Country (13) Custom (25) LTZ (30) LT Trail Boss (54) LT (67) RST (102)

Below you can see a distribution of the fuel-ups with 150 outliers (0.65%) removed.

Following shows the average MPG of each of the 306 vehicles in the system.

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• My Silverado 1500

  2021 Chevrolet Silverado 1500 High Country 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2024 • 31 Fuel-ups

  Property of Troy_Reish

• 24.6 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed
  Added May 2021 • 153 Fuel-ups

  Property of smudman

• 16.1 Avg MPG

• Chevy

  2021 Chevrolet Silverado 1500 RST 2.7L L4 GAS Automatic 8 Speed Extended Cab Pickup
  Added Aug 2021 • 101 Fuel-ups

  Property of kwrose66

• 19.0 Avg MPG

• My Silverado

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Sep 2023 • 68 Fuel-ups

  Property of ThatOneGuyOverThere

• 25.6 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 • 139 Fuel-ups

  Property of bickj

• 23.1 Avg MPG

• Venom

  2021 Chevrolet Silverado 1500 RST 5.3L V8 GAS Automatic 8 Speed
  Added Jan 2021 • 309 Fuel-ups

  Property of bigtimber15

• 17.2 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 5.3L V8 GAS Automatic 8 Speed
  Added May 2021 • 281 Fuel-ups

  Property of kipper1012

• 17.3 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 Custom 4.3L V6 GAS Automatic 6 Speed
  Added May 2024 • 34 Fuel-ups

  Property of thesrband

• 16.8 Avg MPG

• Betty Blue

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2021 • 95 Fuel-ups

  Property of kgallemore78

• 19.7 Avg MPG

• Chevy Duramax

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2020 • 227 Fuel-ups

  Property of posio3

• 24.5 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2021 • 169 Fuel-ups

  Property of jimmycee

• 22.3 Avg MPG

• Rhino

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2022 • 238 Fuel-ups

  Property of cowboyupamrka

• 23.5 Avg MPG

• Grey

  2021 Chevrolet Silverado 1500 RST 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2021 • 179 Fuel-ups

  Property of tfdcapt

• 15.4 Avg MPG

• Silverado 1500

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2023 • 49 Fuel-ups

  Property of Schurdy

• 21.3 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2021 • 160 Fuel-ups

  Property of geezer53

• 21.7 Avg MPG

• Silverado 1500

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2023 • 36 Fuel-ups

  Property of jdirrer

• 26.1 Avg MPG

• 2021 Chevy Silverado 1500 Trail Boss

  2021 Chevrolet Silverado 1500 LT Trail Boss 5.3L V8 GAS Automatic 10 Speed
  Added Feb 2023 • 84 Fuel-ups

  Property of jpeduto

• 16.9 Avg MPG

• Grey Ghost

  2021 Chevrolet Silverado 1500 LT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added May 2022 • 72 Fuel-ups

  Property of chuck9684

• 24.6 Avg MPG

• My Silverado 1500

  2021 Chevrolet Silverado 1500 RST 5.3L V8 GAS Automatic 8 Speed
  Added May 2021 • 238 Fuel-ups

  Property of KNBedow

• 18.2 Avg MPG

• Mikey’s Chevy RST

  2021 Chevrolet Silverado 1500 RST 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2021 • 111 Fuel-ups

  Property of ETEX_Mikey

• 25.2 Avg MPG

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