Based on data from 51 vehicles, 3,990 fuel-ups and 1,208,450 miles of driving, the 2021 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.66 with a 0.13 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (27) 6.6L V8 GAS (24) Any Body Style Crew Cab Pickup (12) Any Submodel Custom (6) WT (7) High Country (7) LTZ (15) LT (16)

Below you can see a distribution of the fuel-ups with 14 outliers (0.35%) removed.

Following shows the average MPG of each of the 51 vehicles in the system.

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• 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 GAS Automatic 6 Speed
  Added Aug 2021 • 146 Fuel-ups

  Property of cae2583

• 12.9 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2024 • 8 Fuel-ups

  Property of DanielR67

• 15.4 Avg MPG

• Black Truck 2

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 148 Fuel-ups

  Property of 1720diesel

• 16.7 Avg MPG

• 316-59

  2021 Chevrolet Silverado 2500 HD Custom 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2023 • 67 Fuel-ups

  Property of Brandon-Lawrence

• 12.9 Avg MPG

• Brandy

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 125 Fuel-ups

  Property of tdtoolman

• 12.6 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Jan 2021 • 500 Fuel-ups

  Property of k9robinson

• 10.8 Avg MPG

• Duramax

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jun 2024 • 42 Fuel-ups

  Property of bolesrick

• 15.5 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Jun 2021 • 187 Fuel-ups

  Property of Belken

• 12.5 Avg MPG

• 21 Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2020 • 138 Fuel-ups

  Property of idralig

• 15.4 Avg MPG

• The Beast

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Nov 2020 • 115 Fuel-ups

  Property of DJDriverZ

• 11.3 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2021 • 234 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 • 90 Fuel-ups

  Property of Rsea10

• 16.0 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 89 Fuel-ups

  Property of hot86rod1

• 14.4 Avg MPG

• Big Red

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2024 • 79 Fuel-ups

  Property of Namenotapplicable

• 15.2 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2024 • 24 Fuel-ups

  Property of jake4402

• 16.5 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD Custom 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2023 • 41 Fuel-ups

  Property of tboy14

• 18.1 Avg MPG

• Z71

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 174 Fuel-ups

  Property of 34mpgRam

• 18.3 Avg MPG

• 21 Silverado

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Dec 2022 • 64 Fuel-ups

  Property of davemayn13

• 12.2 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Apr 2024 • 32 Fuel-ups

  Property of ChavoChevy

• 11.6 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2021 • 150 Fuel-ups

  Property of rescue4787

• 13.5 Avg MPG

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