Based on data from 57 vehicles, 4,522 fuel-ups and 1,369,567 miles of driving, the 2021 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.65 with a 0.12 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (30) 6.6L V8 GAS (27) Any Body Style Crew Cab Pickup (14) Any Submodel Custom (6) WT (7) High Country (8) LT (18) LTZ (18)

Below you can see a distribution of the fuel-ups with 20 outliers (0.44%) removed.

Following shows the average MPG of each of the 57 vehicles in the system.

• «
• 1
• 2
• 3
• »

• Black Pearl

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2025 • 4 Fuel-ups

  Property of Cbess07

• 15.3 Avg MPG

• My Silverado 2500 HD

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

  Property of tgambrell

• 17.2 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2024 • 24 Fuel-ups

  Property of DanielR67

• 15.2 Avg MPG

• 316-59

  2021 Chevrolet Silverado 2500 HD Custom 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2023 • 94 Fuel-ups

  Property of Brandon-Lawrence

• 12.6 Avg MPG

• The Beast

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Nov 2020 • 134 Fuel-ups

  Property of DJDriverZ

• 11.5 Avg MPG

• Black Truck 2

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Apr 2021 • 153 Fuel-ups

  Property of 1720diesel

• 16.6 Avg MPG

• Tow Rig2

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2021 • 174 Fuel-ups

  Property of spark00

• 12.7 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Jun 2021 • 213 Fuel-ups

  Property of Belken

• 12.3 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2021 • 161 Fuel-ups

  Property of rescue4787

• 13.6 Avg MPG

• 21 Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2020 • 152 Fuel-ups

  Property of idralig

• 15.5 Avg MPG

• Brandy

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 147 Fuel-ups

  Property of tdtoolman

• 12.5 Avg MPG

• 2021 Silverado 2500HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2022 • 174 Fuel-ups

  Property of Aerohead

• 15.0 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Feb 2022 • 186 Fuel-ups

  Property of karla310

• 10.6 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Jan 2021 • 536 Fuel-ups

  Property of k9robinson

• 10.8 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 106 Fuel-ups

  Property of hot86rod1

• 14.8 Avg MPG

• Z71

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 195 Fuel-ups

  Property of 34mpgRam

• 18.3 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Apr 2024 • 49 Fuel-ups

  Property of ChavoChevy

• 11.6 Avg MPG

• Duramax

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jun 2024 • 62 Fuel-ups

  Property of bolesrick

• 15.2 Avg MPG

• My Silverado 2500 HD

  2021 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2025 • 17 Fuel-ups

  Property of JustinSoper

• 15.4 Avg MPG

• Chevy

  2021 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Oct 2024 • 8 Fuel-ups

  Property of Stumpi

• 13.0 Avg MPG

• «
• 1
• 2
• 3
• »