Based on data from 212 vehicles, 18,702 fuel-ups and 6,735,270 miles of driving, the 2015 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 13.23 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 303 outliers (1.59%) removed.

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

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• Silverado 2500

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

  Property of sleestack

• 9.5 Avg MPG

• 2500HD DirtyMax (Country)

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2020 • 235 Fuel-ups

  Property of 2500HDdirtymax

• 15.1 Avg MPG

• 2015 Silverado 2500

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 6 Speed Crew Cab Pickup
  Added Aug 2019 • 472 Fuel-ups

  Property of bl78ljb

• 9.2 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 6 Speed
  Added Jul 2019 • 151 Fuel-ups

  Property of bc24cfd2

• 11.6 Avg MPG

• VADER

  2015 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Dec 2021 • 141 Fuel-ups

  Property of crow

• 16.0 Avg MPG

• 2015 Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2017 • 13 Fuel-ups

  Property of healeyho

• 9.3 Avg MPG

• 2015 Silverado

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2019 • 145 Fuel-ups

  Property of Kiddj621

• 12.5 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2016 • 64 Fuel-ups

  Property of jhornick

• 15.7 Avg MPG

• White Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2024 • 14 Fuel-ups

  Property of 18FeetAg

• 12.1 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2020 • 227 Fuel-ups

  Property of jwhite071286

• 15.8 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2021 • 136 Fuel-ups

  Property of 98sporttj

• 14.1 Avg MPG

• DEF Black Betty

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2019 • 33 Fuel-ups

  Property of juando75

• 698.1 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 6 Speed
  Added Feb 2024 • 12 Fuel-ups

  Property of WizFam6

• 11.8 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2018 • 375 Fuel-ups

  Property of Smokey5826

• 11.3 Avg MPG

• Black Betty

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2016 • 905 Fuel-ups

  Property of juando75

• 11.0 Avg MPG

• My Silverado 2500 HD

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

  Property of jesagal

• 14.3 Avg MPG

• Silverado 2500HD

  2015 Chevrolet Silverado 2500 HD LT 6.0L V8 FLEX Automatic 6 Speed
  Added Sep 2016 • 655 Fuel-ups

  Property of jghira

• 14.4 Avg MPG

• Duramax

  2015 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2015 • 200 Fuel-ups

  Property of Kid6725

• 16.0 Avg MPG

• My Silverado 2500 HD

  2015 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2019 • 304 Fuel-ups

  Property of mgraham42

• 16.9 Avg MPG

• White Privilege

  2015 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2021 • 89 Fuel-ups

  Property of dtalley

• 14.7 Avg MPG

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