Based on data from 111 vehicles, 8,630 fuel-ups and 2,650,889 miles of driving, the 2003 Chevrolet Suburban 1500 gets a combined Avg MPG of 13.58 with a 0.06 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (40) 5.3L V8 GAS (49) V8 FLEX (3) V8 GAS (8) Any Body Style Wagon (1) Sport Utility (35) Any Submodel Base (7) Z71 (10) LS (26) LT (56) Other (12)

Below you can see a distribution of the fuel-ups with 336 outliers (3.75%) removed.

Following shows the average MPG of each of the 111 vehicles in the system.

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• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Jun 2023 • 63 Fuel-ups

  Property of VibeNut

• 15.4 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Nov 2022 • 9 Fuel-ups

  Property of mjhanderson

• 12.7 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added May 2020 • 307 Fuel-ups

  Property of paych

• 12.8 Avg MPG

• Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Oct 2020 • 81 Fuel-ups

  Property of jcg5885

• 11.8 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2022 • 92 Fuel-ups

  Property of bdpilot

• 13.8 Avg MPG

• Chevy Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 288 Fuel-ups

  Property of Rob777

• 15.1 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 Z71
  Added May 2023 • 59 Fuel-ups

  Property of lakesidelooter

• 14.9 Avg MPG

• Burban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Dec 2023 • 84 Fuel-ups

  Property of deviated09

• 12.6 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Jul 2021 • 153 Fuel-ups

  Property of joshuaryanbrown

• 13.6 Avg MPG

• DA’ burb

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2021 • 82 Fuel-ups

  Property of howrey12

• 12.6 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2017 • 173 Fuel-ups

  Property of blithed

• 13.3 Avg MPG

• Burban'

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jun 2015 • 577 Fuel-ups

  Property of dubreezy

• 12.5 Avg MPG

• 2003 Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Apr 2021 • 122 Fuel-ups

  Property of wshengshill

• 11.5 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2023 • 50 Fuel-ups

  Property of 08uplander

• 16.1 Avg MPG

• Chevy

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2012 • 235 Fuel-ups

  Property of Wiesbaden

• 12.8 Avg MPG

• Dirty 'burban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2021 • 28 Fuel-ups

  Property of NONo443

• 13.4 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

• Janet

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 48 Fuel-ups

  Property of dstroh15

• 14.0 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71 5.3L V8 FLEX Automatic 4 Speed
  Added Dec 2023 • 14 Fuel-ups

  Property of gjchapman

• 14.3 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Jun 2021 • 28 Fuel-ups

  Property of mcewen514

• 11.7 Avg MPG

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