Based on data from 48 vehicles, 3,601 fuel-ups and 1,081,948 miles of driving, the 2021 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.56 with a 0.13 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (24) 6.6L V8 GAS (24) Any Body Style Crew Cab Pickup (11) Any Submodel Custom (6) High Country (6) WT (7) LTZ (13) LT (16)

Below you can see a distribution of the fuel-ups with 15 outliers (0.41%) removed.

Following shows the average MPG of each of the 48 vehicles in the system.

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• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2024 • 10 Fuel-ups

  Property of jake4402

• 16.2 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Feb 2022 • 147 Fuel-ups

  Property of karla310

• 10.5 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Apr 2024 • 13 Fuel-ups

  Property of Mako7

• 11.9 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 219 Fuel-ups

  Property of mturnerua

• 13.4 Avg MPG

• Brandy

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 111 Fuel-ups

  Property of tdtoolman

• 12.5 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD Custom 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2023 • 29 Fuel-ups

  Property of tboy14

• 19.0 Avg MPG

• Duramax

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jun 2024 • 19 Fuel-ups

  Property of bolesrick

• 12.9 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 102 Fuel-ups

  Property of Patrickcar

• 13.3 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Jan 2021 • 447 Fuel-ups

  Property of k9robinson

• 10.8 Avg MPG

• 316-59

  2021 Chevrolet Silverado 2500 HD Custom 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2023 • 52 Fuel-ups

  Property of Brandon-Lawrence

• 12.7 Avg MPG

• Z71

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 160 Fuel-ups

  Property of 34mpgRam

• 18.3 Avg MPG

• Tow Rig2

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2021 • 144 Fuel-ups

  Property of spark00

• 12.8 Avg MPG

• The Beast

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Nov 2020 • 107 Fuel-ups

  Property of DJDriverZ

• 11.1 Avg MPG

• 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 GAS Automatic 6 Speed
  Added Aug 2021 • 136 Fuel-ups

  Property of cae2583

• 13.0 Avg MPG

• Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2021 • 77 Fuel-ups

  Property of Rsea10

• 16.1 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Jun 2021 • 170 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 • 146 Fuel-ups

  Property of 1720diesel

• 16.7 Avg MPG

• 21 Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2020 • 124 Fuel-ups

  Property of idralig

• 15.4 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2021 • 142 Fuel-ups

  Property of rescue4787

• 13.5 Avg MPG

• 2500 Silverado

  2021 Chevrolet Silverado 2500 HD WT 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Nov 2023 • 22 Fuel-ups

  Property of lostk0z

• 9.6 Avg MPG

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