Based on data from 253 vehicles, 21,825 fuel-ups and 5,556,116 miles of driving, the 2006 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 13.78 with a 0.05 MPG margin of error.

Any Engine Type 6.0L V8 GAS (53) 6.6L V8 DIESEL (162) 8.1L V8 GAS (3) V8 CNG (1) V8 DIESEL (20) V8 GAS (6) Any Body Style Standard Cab Pickup (4) Extended Cab Pickup (12) Crew Cab Pickup (44) Cab & Chassis (2) Cab & Chassis - Crew Cab (1) Cab & Chassis - Extended Cab (1) Any Submodel WT (24) LS (33) LT (165) Other (31)

Below you can see a distribution of the fuel-ups with 330 outliers (1.49%) removed.

Following shows the average MPG of each of the 253 vehicles in the system.

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• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2022 • 199 Fuel-ups

  Property of arubino21

• 17.9 Avg MPG

• Silverado

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2023 • 46 Fuel-ups

  Property of Suncoastfrontier

• 16.4 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 4 Speed
  Added Dec 2023 • 216 Fuel-ups

  Property of MitchelS

• 10.8 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2023 • 97 Fuel-ups

  Property of swehrspann

• 15.5 Avg MPG

• 2006 Chevy 2500 Duramax

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2017 • 355 Fuel-ups

  Property of pulley978

• 15.8 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2021 • 478 Fuel-ups

  Property of Lucky78416

• 16.9 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2025 • 56 Fuel-ups

  Property of kdillon00

• 13.9 Avg MPG

• LBZ

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 4 Speed Crew Cab Pickup
  Added Aug 2023 • 92 Fuel-ups

  Property of JasterM5

• 15.4 Avg MPG

• Duramax

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2025 • 4 Fuel-ups

  Property of UpToTheSailboat

• 19.5 Avg MPG

• 2006 Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2018 • 391 Fuel-ups

  Property of stuper53

• 13.4 Avg MPG

• Big Larry

  2006 Chevrolet Silverado 2500 HD WT 6.0L V8 GAS Automatic 4 Speed Crew Cab Pickup
  Added Feb 2024 • 96 Fuel-ups

  Property of clickclick5

• 11.8 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2021 • 166 Fuel-ups

  Property of alind175

• 14.1 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Feb 2024 • 77 Fuel-ups

  Property of rodney_bones007

• 12.9 Avg MPG

• 2006 Chevy Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2019 • 177 Fuel-ups

  Property of azscott31

• 14.7 Avg MPG

• Beast

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2019 • 152 Fuel-ups

  Property of banzera

• 15.7 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2023 • 85 Fuel-ups

  Property of caddho

• 16.4 Avg MPG

• DMAX

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2017 • 373 Fuel-ups

  Property of krduke

• 13.2 Avg MPG

• Ed

  2006 Chevrolet Silverado 2500 HD LS 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2012 • 378 Fuel-ups

  Property of steve8679

• 14.5 Avg MPG

• 06 Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.0L V8 GAS Automatic 4 Speed
  Added Oct 2024 • 38 Fuel-ups

  Property of jspen81

• 12.7 Avg MPG

• My Silverado 2500 HD

  2006 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2024 • 17 Fuel-ups

  Property of naudenried

• 16.2 Avg MPG

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