Based on data from 29 vehicles, 3,674 fuel-ups and 1,042,900 miles of driving, the 2018 Chevrolet Silverado 3500 HD gets a combined Avg MPG of 12.38 with a 0.10 MPG margin of error.

Any Engine Type 6.0L V8 FLEX (2) 6.0L V8 GAS (1) 6.6L V8 DIESEL (25) Any Body Style Crew Cab Pickup (5) Any Submodel WT (1) LT (5) High Country (10) LTZ (13)

Below you can see a distribution of the fuel-ups with 108 outliers (2.86%) removed.

Following shows the average MPG of each of the 29 vehicles in the system.

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• Chevy 3500HD

  2018 Chevrolet Silverado 3500 HD LT 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Jun 2023 • 81 Fuel-ups

  Property of SheaC12

• 12.8 Avg MPG

• 62801

  2018 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2018 • 941 Fuel-ups

  Property of Hirail_Harold

• 13.2 Avg MPG

• LoonyTruck - '18 Silverado 3500

  2018 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2018 • 207 Fuel-ups

  Property of sargenthp

• 14.6 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2019 • 277 Fuel-ups

  Property of Grewatso

• 12.1 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2018 • 379 Fuel-ups

  Property of cleatus

• 13.4 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2022 • 129 Fuel-ups

  Property of chromewhore

• 10.5 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD LTZ 6.0L V8 FLEX Automatic 6 Speed
  Added Jan 2021 • 189 Fuel-ups

  Property of kcfire

• 11.6 Avg MPG

• 2018 Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2023 • 20 Fuel-ups

  Property of vonflynet

• 10.5 Avg MPG

• Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2021 • 139 Fuel-ups

  Property of iamprostreet

• 11.5 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2019 • 149 Fuel-ups

  Property of rmoore0852

• 14.1 Avg MPG

• 2018 Chevrolet Silverado LTZ

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2021 • 99 Fuel-ups

  Property of BradSR

• 14.5 Avg MPG

• 2018 3500 HD

  2018 Chevrolet Silverado 3500 HD LTZ 6.0L V8 FLEX Automatic 6 Speed
  Added Sep 2021 • 117 Fuel-ups

  Property of richfam1414

• 13.0 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2018 • 94 Fuel-ups

  Property of kacey

• 11.7 Avg MPG

• 2018 Chevy Pickup

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2020 • 18 Fuel-ups

  Property of JLModer2

• 17.3 Avg MPG

• 1 Ton

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2017 • 89 Fuel-ups

  Property of UGOT5N1P3D

• 14.7 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2020 • 189 Fuel-ups

  Property of Derril

• 12.0 Avg MPG

• Silverado

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2019 • 81 Fuel-ups

  Property of julianwarren2

• 14.4 Avg MPG

• Silverado

  2018 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2019 • 80 Fuel-ups

  Property of TheRougeNugget

• 15.3 Avg MPG

• Brown Sugar

  2018 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2018 • 82 Fuel-ups

  Property of TPAW

• 14.5 Avg MPG

• My Silverado 3500 HD

  2018 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2018 • 47 Fuel-ups

  Property of xrayman

• 17.1 Avg MPG

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