Based on data from 131 vehicles, 12,510 fuel-ups and 3,033,896 miles of driving, the 2008 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 13.70 with a 0.06 MPG margin of error.

Any Engine Type 6.0L V8 GAS (32) 6.6L V8 DIESEL (87) V8 DIESEL (6) V8 GAS (4) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (26) Cab & Chassis (1) Any Submodel WT (10) LTZ (42) LT (67) Other (12)

Below you can see a distribution of the fuel-ups with 147 outliers (1.16%) removed.

Following shows the average MPG of each of the 131 vehicles in the system.

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• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2025 • 12 Fuel-ups

  Property of Ehnert06

• 14.3 Avg MPG

• Duramax

  2008 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2018 • 151 Fuel-ups

  Property of tightwad22

• 16.7 Avg MPG

• The Beast

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2021 • 101 Fuel-ups

  Property of mmoody5479

• 14.6 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2023 • 126 Fuel-ups

  Property of rickcar0310

• 13.0 Avg MPG

• Chevy 2500

  2008 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2017 • 511 Fuel-ups

  Property of brettjeltema

• 14.7 Avg MPG

• Duramax

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2023 • 81 Fuel-ups

  Property of Brettm33

• 14.6 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 6 Speed
  Added Jan 2019 • 349 Fuel-ups

  Property of mike1025

• 9.9 Avg MPG

• Chevy 2500

  2008 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2021 • 443 Fuel-ups

  Property of zpainter1015

• 13.5 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2017 • 443 Fuel-ups

  Property of brennandufek

• 15.0 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2020 • 119 Fuel-ups

  Property of Tate12

• 13.1 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2021 • 81 Fuel-ups

  Property of Retro92

• 10.0 Avg MPG

• Silverado

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Extended Cab Pickup
  Added Aug 2018 • 110 Fuel-ups

  Property of pgarnett

• 15.9 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2019 • 123 Fuel-ups

  Property of steinway13

• 14.1 Avg MPG

• Chevrolet Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2022 • 33 Fuel-ups

  Property of Philwashburn

• 13.8 Avg MPG

• Silverado 2500

  2008 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 306 Fuel-ups

  Property of carlos_condor

• 9.9 Avg MPG

• Truck

  2008 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 69 Fuel-ups

  Property of johnsosa1998

• 10.1 Avg MPG

• 2008 Dark Cherry Duramax

  2008 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2022 • 21 Fuel-ups

  Property of mzachman

• 14.9 Avg MPG

• Tom's 2500

  2008 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2016 • 119 Fuel-ups

  Property of homertd

• 13.8 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2025 • 16 Fuel-ups

  Property of jrod87

• 10.5 Avg MPG

• My Silverado 2500 HD

  2008 Chevrolet Silverado 2500 HD WT 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2024 • 66 Fuel-ups

  Property of cmtoutlaw

• 17.2 Avg MPG

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