Based on data from 103 vehicles, 7,948 fuel-ups and 2,451,458 miles of driving, the 2003 Chevrolet Suburban 1500 gets a combined Avg MPG of 13.61 with a 0.06 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (35) 5.3L V8 GAS (46) V8 FLEX (3) V8 GAS (8) Any Body Style Wagon (1) Sport Utility (31) Any Submodel Base (5) Z71 (8) LS (26) LT (52) Other (12)

Below you can see a distribution of the fuel-ups with 307 outliers (3.72%) removed.

Following shows the average MPG of each of the 103 vehicles in the system.

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• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Jul 2021 • 97 Fuel-ups

  Property of joshuaryanbrown

• 13.1 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2017 • 130 Fuel-ups

  Property of blithed

• 13.1 Avg MPG

• 2003 Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Apr 2021 • 87 Fuel-ups

  Property of wshengshill

• 11.6 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2020 • 220 Fuel-ups

  Property of theglasgos

• 14.0 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added May 2020 • 227 Fuel-ups

  Property of paych

• 12.7 Avg MPG

• Burban'

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jun 2015 • 532 Fuel-ups

  Property of dubreezy

• 12.6 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2022 • 45 Fuel-ups

  Property of bdpilot

• 13.1 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2018 • 53 Fuel-ups

  Property of ford_pickup

• 15.0 Avg MPG

• DA’ burb

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2021 • 56 Fuel-ups

  Property of howrey12

• 12.7 Avg MPG

• Chevy Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 257 Fuel-ups

  Property of Rob777

• 15.0 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 Z71
  Added May 2023 • 4 Fuel-ups

  Property of lakesidelooter

• 11.5 Avg MPG

• Janet

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 42 Fuel-ups

  Property of dstroh15

• 13.9 Avg MPG

• Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Oct 2020 • 57 Fuel-ups

  Property of jcg5885

• 11.4 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2015 • 120 Fuel-ups

  Property of majorgeek

• 13.9 Avg MPG

• Big Burb.

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Sep 2021 • 52 Fuel-ups

  Property of robertpeart

• 12.9 Avg MPG

• Dirty 'burban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2021 • 20 Fuel-ups

  Property of NONo443

• 13.2 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2023 • 18 Fuel-ups

  Property of 08uplander

• 16.3 Avg MPG

• Super Grandma Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 165 Fuel-ups

  Property of 2086

• 15.7 Avg MPG

• Chevy

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2016 • 147 Fuel-ups

  Property of JakeWolf

• 14.3 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2018 • 3 Fuel-ups

  Property of meyersjm

• 14.7 Avg MPG

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