Based on data from 32 vehicles, 2,066 fuel-ups and 613,553 miles of driving, the 2003 Chevrolet Suburban 2500 gets a combined Avg MPG of 11.42 with a 0.17 MPG margin of error.

Any Engine Type 6.0L V8 GAS (15) 8.1L V8 GAS (13) V8 DIESEL (2) V8 GAS (1) Any Body Style Sport Utility (12) Any Submodel LS (7) LT (23) Other (2)

Below you can see a distribution of the fuel-ups with 50 outliers (2.36%) removed.

Following shows the average MPG of each of the 32 vehicles in the system.

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• Quadrasteer Suburban

  2003 Chevrolet Suburban 2500 LT V8 DIESEL Automatic 6 Speed Sport Utility
  Added Aug 2015 • 185 Fuel-ups

  Property of DAVe3283

• 16.0 Avg MPG

• 2003 Chevrolet Suburban

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed
  Added Aug 2021 • 48 Fuel-ups

  Property of bdsmuin

• 9.2 Avg MPG

• My Suburban 2500

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Oct 2022 • 33 Fuel-ups

  Property of sr3_3rs

• 9.7 Avg MPG

• Suburban

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 42 Fuel-ups

  Property of mrfigueroa

• 11.6 Avg MPG

• Suburban 2500

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Jan 2023 • 106 Fuel-ups

  Property of baileyff

• 10.8 Avg MPG

• 2003 8.1L Suburban 4x4

  2003 Chevrolet Suburban 2500 LS 8.1L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2013 • 380 Fuel-ups

  Property of Wishin

• 8.6 Avg MPG

• 2003 Suburban 2500

  2003 Chevrolet Suburban 2500 LS 6.0L V8 GAS Automatic 4 Speed Sport Utility
  Added Mar 2023 • 87 Fuel-ups

  Property of blk69stang

• 11.2 Avg MPG

• Burban

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed Sport Utility
  Added Aug 2019 • 78 Fuel-ups

  Property of dubvain

• 10.9 Avg MPG

• QUADRASTEER

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2022 • 36 Fuel-ups

  Property of CLKUSA

• 9.8 Avg MPG

• My Suburban 2500

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added May 2024 • 7 Fuel-ups

  Property of Spurge1

• 13.2 Avg MPG

• 2003 Suburban 2500

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed
  Added Jul 2021 • 10 Fuel-ups

  Property of birdie2000

• 10.3 Avg MPG

• Suburban

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2020 • 38 Fuel-ups

  Property of Magnaman03

• 10.1 Avg MPG

• 03 LBZ Duraburb

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed
  Added Mar 2022 • 67 Fuel-ups

  Property of xmanayala

• 12.9 Avg MPG

• My Suburban 2500

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed
  Added Jul 2022 • 40 Fuel-ups

  Property of anisbet86

• 11.2 Avg MPG

• The Sub

  2003 Chevrolet Suburban 2500 LS 6.0L V8 GAS Automatic 4 Speed Sport Utility
  Added Nov 2016 • 83 Fuel-ups

  Property of njenn3

• 12.2 Avg MPG

• DuraBurb

  2003 Chevrolet Suburban 2500 LT V8 DIESEL Automatic 6 Speed Sport Utility
  Added Nov 2017 • 203 Fuel-ups

  Property of Kriesel

• 16.0 Avg MPG

• My Suburban 2500

  2003 Chevrolet Suburban 2500 LS 6.0L V8 GAS Automatic 4 Speed
  Added Aug 2017 • 92 Fuel-ups

  Property of kelseymccann

• 11.5 Avg MPG

• My Suburban 2500

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed
  Added Aug 2020 • 17 Fuel-ups

  Property of BrentR

• 10.5 Avg MPG

• Suburban

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 229 Fuel-ups

  Property of dtaylor469

• 10.5 Avg MPG

• 2003 Suburban

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed Sport Utility
  Added Sep 2016 • 120 Fuel-ups

  Property of jah0721

• 11.0 Avg MPG

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