Based on data from 31 vehicles, 1,826 fuel-ups and 550,516 miles of driving, the 2003 Chevrolet Suburban 2500 gets a combined Avg MPG of 11.55 with a 0.18 MPG margin of error.

Any Engine Type 6.0L V8 GAS (14) 8.1L V8 GAS (13) V8 DIESEL (2) V8 GAS (1) Any Body Style Sport Utility (12) Any Submodel LS (7) LT (22) Other (2)

Below you can see a distribution of the fuel-ups with 50 outliers (2.67%) removed.

Following shows the average MPG of each of the 31 vehicles in the system.

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• Suburban 2500

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Jan 2023 • 43 Fuel-ups

  Property of baileyff

• 11.0 Avg MPG

• 2003 Suburban 2500

  2003 Chevrolet Suburban 2500 LS 6.0L V8 GAS Automatic 4 Speed Sport Utility
  Added Mar 2023 • 36 Fuel-ups

  Property of blk69stang

• 11.1 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

• 2003 8.1L Suburban 4x4

  2003 Chevrolet Suburban 2500 LS 8.1L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2013 • 326 Fuel-ups

  Property of Wishin

• 8.7 Avg MPG

• My Suburban 2500

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Sep 2022 • 10 Fuel-ups

  Property of CLKUSA

• 9.6 Avg MPG

• Quadrasteer Suburban

  2003 Chevrolet Suburban 2500 LT V8 DIESEL Automatic 6 Speed Sport Utility
  Added Aug 2015 • 163 Fuel-ups

  Property of DAVe3283

• 15.9 Avg MPG

• My Suburban 2500

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Oct 2022 • 14 Fuel-ups

  Property of sr3_3rs

• 9.4 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

• Burban

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed Sport Utility
  Added Aug 2019 • 61 Fuel-ups

  Property of dubvain

• 11.1 Avg MPG

• Suburban

  2003 Chevrolet Suburban 2500 LT 6.0L V8 GAS Automatic 4 Speed
  Added Feb 2018 • 34 Fuel-ups

  Property of mrfigueroa

• 12.1 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

• 2003 Suburban 2500

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed
  Added Jul 2021 • 5 Fuel-ups

  Property of birdie2000

• 9.5 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

• Suburban

  2003 Chevrolet Suburban 2500 LT 8.1L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 120 Fuel-ups

  Property of cougarkat

• 13.1 Avg MPG

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