Based on data from 28 vehicles, 1,730 fuel-ups and 656,733 miles of driving, the 2020 Chevrolet Silverado 3500 HD gets a combined Avg MPG of 13.30 with a 0.20 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (28) Any Body Style Crew Cab Pickup (8) Any Submodel WT (1) High Country (7) LT (8) LTZ (12)

Below you can see a distribution of the fuel-ups with 20 outliers (1.14%) removed.

Following shows the average MPG of each of the 28 vehicles in the system.

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• 20BlackDuramax

  2020 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Apr 2020 • 165 Fuel-ups

  Property of blackduramax

• 11.8 Avg MPG

• My Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2020 • 180 Fuel-ups

  Property of whidbeyrob

• 15.4 Avg MPG

• My Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2020 • 114 Fuel-ups

  Property of austinandbrit02

• 13.9 Avg MPG

• Silverado 3500

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Aug 2020 • 143 Fuel-ups

  Property of c89dan

• 14.3 Avg MPG

• Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2021 • 74 Fuel-ups

  Property of iamyourpilot

• 15.8 Avg MPG

• My Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2023 • 28 Fuel-ups

  Property of jgustavson

• 18.9 Avg MPG

• My Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2020 • 62 Fuel-ups

  Property of randy68d

• 14.7 Avg MPG

• My Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2020 • 61 Fuel-ups

  Property of richmanmh

• 13.1 Avg MPG

• My Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2021 • 150 Fuel-ups

  Property of redraider417

• 16.1 Avg MPG

• Big Blue

  2020 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added May 2023 • 25 Fuel-ups

  Property of ReyM

• 15.5 Avg MPG

• Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 38 Fuel-ups

  Property of tbaxter875

• 14.7 Avg MPG

• Big Blue

  2020 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 108 Fuel-ups

  Property of theHarv3s

• 13.5 Avg MPG

• Silverado 3500HD

  2020 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2020 • 104 Fuel-ups

  Property of firstascent

• 10.7 Avg MPG

• Olaf II 3500 HD

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2020 • 11 Fuel-ups

  Property of Shovlin

• 22.7 Avg MPG

• White Truck

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jul 2020 • 95 Fuel-ups

  Property of mjbatch69

• 14.3 Avg MPG

• Mac #1

  2020 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed
  Added Nov 2020 • 232 Fuel-ups

  Property of ledfoot99

• 10.1 Avg MPG

• Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2020 • 29 Fuel-ups

  Property of darilth

• 18.1 Avg MPG

• My Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD WT 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2022 • 12 Fuel-ups

  Property of zataor

• 11.9 Avg MPG

• Blue

  2020 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2021 • 11 Fuel-ups

  Property of joshbartling

• 17.7 Avg MPG

• 2020 Silverado 3500 HD

  2020 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Apr 2020 • 69 Fuel-ups

  Property of dlav_ca

• 12.4 Avg MPG

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