Based on data from 114 vehicles, 8,314 fuel-ups and 2,558,924 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 (42) 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 (28) LT (56) Other (12)

Below you can see a distribution of the fuel-ups with 782 outliers (8.60%) removed.

Following shows the average MPG of each of the 114 vehicles in the system.

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• Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2018 • 66 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 • 101 Fuel-ups

  Property of howrey12

• 12.5 Avg MPG

• Blue Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jan 2024 • 28 Fuel-ups

  Property of 2xoak

• 17.0 Avg MPG

• My Suburban 1500

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

  Property of 04_Silverado

• 17.7 Avg MPG

• Burban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Dec 2023 • 120 Fuel-ups

  Property of deviated09

• 13.3 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added May 2020 • 376 Fuel-ups

  Property of paych

• 12.9 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Jun 2023 • 76 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 Jul 2021 • 178 Fuel-ups

  Property of joshuaryanbrown

• 6.8 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71 5.3L V8 FLEX Automatic 4 Speed
  Added Dec 2023 • 35 Fuel-ups

  Property of gjchapman

• 14.0 Avg MPG

• Chevy

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2012 • 248 Fuel-ups

  Property of Wiesbaden

• 12.9 Avg MPG

• 2003 Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Apr 2021 • 151 Fuel-ups

  Property of wshengshill

• 11.8 Avg MPG

• Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Oct 2020 • 90 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 • 107 Fuel-ups

  Property of bdpilot

• 13.8 Avg MPG

• Suburan

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 58 Fuel-ups

  Property of 4shee

• 16.9 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2020 • 263 Fuel-ups

  Property of theglasgos

• 14.0 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Jun 2021 • 40 Fuel-ups

  Property of mcewen514

• 12.1 Avg MPG

• Super Grandma Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 174 Fuel-ups

  Property of 2086

• 15.5 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

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

  Property of majorgeek

• 13.9 Avg MPG

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