Based on data from 113 vehicles, 8,265 fuel-ups and 2,543,987 miles of driving, the 2003 Chevrolet Suburban 1500 gets a combined Avg MPG of 13.56 with a 0.05 MPG margin of error.

Any Engine Type 5.3L V8 FLEX (41) 5.3L V8 GAS (50) V8 FLEX (3) V8 GAS (8) Any Body Style Wagon (1) Sport Utility (36) Any Submodel Base (7) Z71 (11) LS (27) LT (56) Other (12)

Below you can see a distribution of the fuel-ups with 773 outliers (8.55%) removed.

Following shows the average MPG of each of the 113 vehicles in the system.

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• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added May 2020 • 366 Fuel-ups

  Property of paych

• 12.9 Avg MPG

• Burban'

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jun 2015 • 595 Fuel-ups

  Property of dubreezy

• 12.5 Avg MPG

• DA’ burb

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2021 • 98 Fuel-ups

  Property of howrey12

• 12.5 Avg MPG

• Burban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Dec 2023 • 114 Fuel-ups

  Property of deviated09

• 13.3 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71 5.3L V8 FLEX Automatic 4 Speed
  Added Nov 2024 • 6 Fuel-ups

  Property of csjohnson08

• 15.6 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2022 • 104 Fuel-ups

  Property of bdpilot

• 13.8 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Jul 2021 • 175 Fuel-ups

  Property of joshuaryanbrown

• 6.7 Avg MPG

• 2003 Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Apr 2021 • 146 Fuel-ups

  Property of wshengshill

• 11.8 Avg MPG

• Super Grandma Suburban 1500

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

  Property of 2086

• 15.5 Avg MPG

• Blue Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jan 2024 • 23 Fuel-ups

  Property of 2xoak

• 16.9 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71 5.3L V8 FLEX Automatic 4 Speed
  Added Dec 2023 • 31 Fuel-ups

  Property of gjchapman

• 14.0 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2015 • 130 Fuel-ups

  Property of majorgeek

• 13.9 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 GAS V8
  Added Apr 2014 • 21 Fuel-ups

  Property of roundguy

• 11.1 Avg MPG

• Janet

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 50 Fuel-ups

  Property of dstroh15

• 14.1 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

• Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Oct 2020 • 88 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 Jun 2023 • 75 Fuel-ups

  Property of VibeNut

• 15.4 Avg MPG

• Chevy

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2016 • 173 Fuel-ups

  Property of JakeWolf

• 14.4 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71
  Added Jul 2018 • 74 Fuel-ups

  Property of BenzBoy

• 14.8 Avg MPG

• Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added May 2024 • 15 Fuel-ups

  Property of dufford1

• 15.2 Avg MPG

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