Based on data from 212 vehicles, 19,392 fuel-ups and 6,956,638 miles of driving, the 2015 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 13.22 with a 0.05 MPG margin of error.

Any Engine Type 6.0L V8 CNG (6) 6.0L V8 FLEX (44) 6.0L V8 GAS (19) 6.6L V8 DIESEL (139) V8 DIESEL (1) V8 GAS (1) Any Body Style Standard Cab Pickup (3) Extended Cab Pickup (10) Crew Cab Pickup (59) Extended Crew Cab Pickup (2) Cab & Chassis - Crew Cab (1) Any Submodel High Country (22) WT (28) LT (67) LTZ (93) Other (2)

Below you can see a distribution of the fuel-ups with 317 outliers (1.61%) removed.

Following shows the average MPG of each of the 212 vehicles in the system.

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• Truck

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 207 Fuel-ups

  Property of dreksnot

• 10.9 Avg MPG

• 2500HD

  2015 Chevrolet Silverado 2500 HD WT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2019 • 229 Fuel-ups

  Property of telecomnut

• 14.0 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2020 • 260 Fuel-ups

  Property of jwhite071286

• 15.6 Avg MPG

• Silverado 2500

  2015 Chevrolet Silverado 2500 HD LTZ 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Mar 2024 • 15 Fuel-ups

  Property of sleestack

• 12.7 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2023 • 30 Fuel-ups

  Property of jonpittman82

• 11.7 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2018 • 326 Fuel-ups

  Property of LeePPaulson

• 13.8 Avg MPG

• bk-truck

  2015 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 365 Fuel-ups

  Property of bckasik

• 15.5 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2019 • 97 Fuel-ups

  Property of rjs1993

• 14.3 Avg MPG

• 2015 HD

  2015 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2018 • 52 Fuel-ups

  Property of Silverado2015

• 13.9 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2023 • 23 Fuel-ups

  Property of camsloop

• 16.9 Avg MPG

• Truckie

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 FLEX Automatic 6 Speed
  Added Jan 2019 • 45 Fuel-ups

  Property of soundguy787

• 10.1 Avg MPG

• Duramax

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2021 • 210 Fuel-ups

  Property of CruisnCobra

• 16.3 Avg MPG

• Truck

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Jun 2022 • 104 Fuel-ups

  Property of Moore09

• 11.4 Avg MPG

• GMC 2500HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.0L V8 FLEX Automatic 6 Speed
  Added Mar 2017 • 256 Fuel-ups

  Property of Studrooster

• 12.3 Avg MPG

• Chevy

  2015 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2016 • 23 Fuel-ups

  Property of chich2000

• 13.7 Avg MPG

• DEF Black Betty

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2019 • 36 Fuel-ups

  Property of juando75

• 700.7 Avg MPG

• Silverado

  2015 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2021 • 108 Fuel-ups

  Property of mcycjim

• 13.4 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2016 • 72 Fuel-ups

  Property of jhornick

• 15.8 Avg MPG

• 2015 Silverado

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2019 • 161 Fuel-ups

  Property of Kiddj621

• 12.4 Avg MPG

• Hulk

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2021 • 70 Fuel-ups

  Property of jrmarks05

• 15.0 Avg MPG

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