Based on data from 44 vehicles, 3,326 fuel-ups and 994,521 miles of driving, the 2021 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.52 with a 0.14 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (21) 6.6L V8 GAS (23) Any Body Style Crew Cab Pickup (10) Any Submodel Custom (6) High Country (6) WT (7) LTZ (12) LT (13)

Below you can see a distribution of the fuel-ups with 12 outliers (0.36%) removed.

Following shows the average MPG of each of the 44 vehicles in the system.

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• Tow Rig2

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2021 • 133 Fuel-ups

  Property of spark00

• 13.0 Avg MPG

• 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 GAS Automatic 6 Speed
  Added Aug 2021 • 128 Fuel-ups

  Property of cae2583

• 13.1 Avg MPG

• 2500 Silverado

  2021 Chevrolet Silverado 2500 HD WT 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Nov 2023 • 16 Fuel-ups

  Property of lostk0z

• 9.5 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 205 Fuel-ups

  Property of mturnerua

• 13.5 Avg MPG

• Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 67 Fuel-ups

  Property of Rsea10

• 16.2 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Jan 2021 • 394 Fuel-ups

  Property of k9robinson

• 10.7 Avg MPG

• 21 Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2020 • 115 Fuel-ups

  Property of idralig

• 15.5 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Feb 2022 • 138 Fuel-ups

  Property of karla310

• 10.3 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Jun 2021 • 158 Fuel-ups

  Property of Belken

• 12.4 Avg MPG

• Black Truck 2

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 135 Fuel-ups

  Property of 1720diesel

• 16.8 Avg MPG

• Z71

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 148 Fuel-ups

  Property of 34mpgRam

• 18.4 Avg MPG

• 316-59

  2021 Chevrolet Silverado 2500 HD Custom 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2023 • 37 Fuel-ups

  Property of Brandon-Lawrence

• 12.2 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD Custom 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2023 • 12 Fuel-ups

  Property of tboy14

• 20.7 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 80 Fuel-ups

  Property of hot86rod1

• 14.0 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2021 • 130 Fuel-ups

  Property of rescue4787

• 13.5 Avg MPG

• Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2020 • 97 Fuel-ups

  Property of calix0817

• 12.6 Avg MPG

• 2021 Silverado 2500HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2022 • 122 Fuel-ups

  Property of Aerohead

• 14.0 Avg MPG

• Brandy

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 100 Fuel-ups

  Property of tdtoolman

• 12.3 Avg MPG

• The Beast

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Nov 2020 • 92 Fuel-ups

  Property of DJDriverZ

• 11.0 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 95 Fuel-ups

  Property of Patrickcar

• 13.2 Avg MPG

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