Based on data from 23 vehicles, 848 fuel-ups and 258,797 miles of driving, the 2023 Chevrolet Silverado 2500 HD gets a combined Avg MPG of 12.63 with a 0.27 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (18) 6.6L V8 FLEX (1) 6.6L V8 GAS (4) Any Body Style Crew Cab Pickup (3) Any Submodel WT (2) Custom (3) LTZ (4) High Country (4) LT (10)

Below you can see a distribution of the fuel-ups with 12 outliers (1.40%) removed.

Following shows the average MPG of each of the 23 vehicles in the system.

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• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2023 • 114 Fuel-ups

  Property of dcuz3883

• 15.3 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2024 • 345 Fuel-ups

  Property of brad1103

• 11.2 Avg MPG

• White stallion

  2023 Chevrolet Silverado 2500 HD WT 6.6L V8 FLEX Automatic 10 Speed
  Added Jul 2025 • 36 Fuel-ups

  Property of RoadRunner44

• 11.8 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 34 Fuel-ups

  Property of jackbaldwin

• 11.9 Avg MPG

• Yeti

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2025 • 12 Fuel-ups

  Property of ydavid98

• 13.0 Avg MPG

• HeavyD

  2023 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 83 Fuel-ups

  Property of advhodgo

• 13.8 Avg MPG

• 2500 High Country

  2023 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2025 • 7 Fuel-ups

  Property of CABonds

• 15.4 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Nov 2025 • 5 Fuel-ups

  Property of Vadim1984

• 13.3 Avg MPG

• 2500HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2024 • 42 Fuel-ups

  Property of millerja

• 14.3 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2024 • 46 Fuel-ups

  Property of cwbjr1

• 16.5 Avg MPG

• Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2025 • 28 Fuel-ups

  Property of Schavez

• 13.7 Avg MPG

• My Chevy truck

  2023 Chevrolet Silverado 2500 HD LTZ 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2024 • 26 Fuel-ups

  Property of Dmckindley

• 14.4 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD Custom 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 3 Fuel-ups

  Property of Silverado2015

• 17.7 Avg MPG

• Silver Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2024 • 41 Fuel-ups

  Property of 18FeetAg

• 10.5 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD Custom 6.6L V8 GAS Automatic 6 Speed
  Added Mar 2024 • 8 Fuel-ups

  Property of slow66

• 12.7 Avg MPG

• 08847SG

  2023 Chevrolet Silverado 2500 HD LT 6.6L V8 GAS Automatic 6 Speed
  Added Jul 2024 • 4 Fuel-ups

  Property of LSarratt

• 13.1 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Nov 2023 • 3 Fuel-ups

  Property of billwr

• 24.9 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD High Country 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2023 • 38 Fuel-ups

  Property of dieselanddogtales

• 13.9 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD WT 6.6L V8 GAS Automatic 6 Speed
  Added Jun 2023 • 66 Fuel-ups

  Property of schneider_chuck

• 12.7 Avg MPG

• My Silverado 2500 HD

  2023 Chevrolet Silverado 2500 HD Custom 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 3 Fuel-ups

  Property of zcmead

• 9.0 Avg MPG

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