Based on data from 48 vehicles, 4,214 fuel-ups and 1,354,932 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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• Rich

  2015 Chevrolet Silverado 3500 HD LT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 453 Fuel-ups

  Property of richmnj

• 11.1 Avg MPG

• Truck

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2020 • 280 Fuel-ups

  Property of bigjeep

• 14.9 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2018 • 611 Fuel-ups

  Property of rileycoalson

• 10.6 Avg MPG

• Silverado

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2019 • 192 Fuel-ups

  Property of Dericar

• 12.1 Avg MPG

• Chevy Truck

  2015 Chevrolet Silverado 3500 HD LT 6.0L V8 GAS Automatic 6 Speed Standard Cab Pickup
  Added Jan 2018 • 149 Fuel-ups

  Property of tudd83

• 12.1 Avg MPG

• HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2019 • 152 Fuel-ups

  Property of Cwnabours

• 14.5 Avg MPG

• 2015 Duramax

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2014 • 184 Fuel-ups

  Property of cbird527

• 14.4 Avg MPG

• 15 Chevy LTZ Dually

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2018 • 129 Fuel-ups

  Property of tbspangler

• 9.6 Avg MPG

• The Beast

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jul 2018 • 110 Fuel-ups

  Property of Mice

• 15.8 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2021 • 4 Fuel-ups

  Property of chelseaandjohn

• 15.2 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2020 • 165 Fuel-ups

  Property of frevius

• 13.1 Avg MPG

• Ghettomax

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2022 • 4 Fuel-ups

  Property of CoffeeAddict87

• 15.6 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2018 • 22 Fuel-ups

  Property of abravo78

• 12.9 Avg MPG

• 2015 Silverado

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2021 • 63 Fuel-ups

  Property of GreaseGunMobile

• 12.2 Avg MPG

• Duramax

  2015 Chevrolet Silverado 3500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2018 • 157 Fuel-ups

  Property of Mosesdoc

• 15.8 Avg MPG

• 2015 Silverado 3500HD

  2015 Chevrolet Silverado 3500 HD LTZ Automatic 6 Speed Crew Cab Pickup
  Added Jun 2023 • 122 Fuel-ups

  Property of jim396

• 14.4 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2020 • 29 Fuel-ups

  Property of BobboS

• 14.4 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2019 • 96 Fuel-ups

  Property of lmrv1

• 13.6 Avg MPG

• 2015 3500 HD

  2015 Chevrolet Silverado 3500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2019 • 100 Fuel-ups

  Property of vsellers

• 14.0 Avg MPG

• My Silverado 3500 HD

  2015 Chevrolet Silverado 3500 HD WT 6.0L V8 FLEX Automatic 6 Speed
  Added May 2020 • 13 Fuel-ups

  Property of Disconnekt

• 11.4 Avg MPG

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