Based on data from 48 vehicles, 4,215 fuel-ups and 1,355,078 miles of driving, the 2015 Chevrolet Silverado 3500 HD gets a combined Avg MPG of 12.32 with a 0.11 MPG margin of error.

Any Engine Type 6.0L V8 FLEX (1) 6.0L V8 GAS (2) 6.6L V8 DIESEL (43) V8 DIESEL (1) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (19) Cab & Chassis (1) Cab & Chassis - Crew Cab (1) Any Submodel WT (4) High Country (7) LT (11) LTZ (25) Other (1)

Below you can see a distribution of the fuel-ups with 123 outliers (2.84%) removed.

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

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• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2020 • 6 Fuel-ups

  Property of LML73

• 15.4 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2019 • 11 Fuel-ups

  Property of bcw92

• 14.2 Avg MPG

• WaterMelon

  2015 Chevrolet Silverado 3500 HD WT 6.6L V8 DIESEL Automatic 6 Speed Cab & Chassis
  Added Jan 2018 • 34 Fuel-ups

  Property of iamthesargent

• 12.7 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD High Country 6.6L DIESEL V8 Automatic 6 Cab & Chassis (4 Door)
  Added Apr 2015 • 116 Fuel-ups

  Property of jn0878

• 13.7 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2015 • 191 Fuel-ups

  Property of Prenzler

• 12.6 Avg MPG

• Silverado

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2018 • 98 Fuel-ups

  Property of midscar2018

• 11.8 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2018 • 5 Fuel-ups

  Property of d2njazzfann

• 10.5 Avg MPG

• Ruby Red 3500 HD

  2015 Chevrolet Silverado 3500 HD High Country 6.6L DIESEL V8 Automatic 6 Cab & Chassis (4 Door)
  Added May 2015 • 49 Fuel-ups

  Property of bnoot

• 13.9 Avg MPG

• Red

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 76 Fuel-ups

  Property of halon330

• 12.9 Avg MPG

• Max (15)

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 77 Fuel-ups

  Property of MadChevy

• 15.1 Avg MPG

• High Country

  2015 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2016 • 147 Fuel-ups

  Property of DieselCash

• 12.7 Avg MPG

• Max (15)

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2018 • 70 Fuel-ups

  Property of MadMopqr69

• 15.0 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2017 • 40 Fuel-ups

  Property of shontc

• 15.4 Avg MPG

• 2015 Silverado

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Cab & Chassis - Crew Cab
  Added Dec 2017 • 24 Fuel-ups

  Property of Brubadubdub

• 17.9 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2017 • 43 Fuel-ups

  Property of IronHorsePilot

• 16.5 Avg MPG

• Beverly J Lindy

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 198 Fuel-ups

  Property of BevLindy

• 14.5 Avg MPG

• Max 15 Dually

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2016 • 167 Fuel-ups

  Property of broit

• 12.5 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 130 Fuel-ups

  Property of rienk

• 12.9 Avg MPG

• K3500

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2015 • 31 Fuel-ups

  Property of K3500

• 14.0 Avg MPG

• Beastie

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2016 • 19 Fuel-ups

  Property of jnjrappe

• 15.4 Avg MPG

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