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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• Suburban

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Nov 2017 • 574 Fuel-ups

  Property of Jhs4

• 13.7 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Aug 2016 • 367 Fuel-ups

  Property of mutigerdad1

• 16.2 Avg MPG

• 2003 Suburban

  2003 Chevrolet Suburban 1500 LS Automatic 4 Speed Sport Utility
  Added Sep 2017 • 14 Fuel-ups

  Property of jeremygroom

• 18.9 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71
  Added Oct 2017 • 16 Fuel-ups

  Property of Comandanteslim

• 14.7 Avg MPG

• Burb

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2015 • 75 Fuel-ups

  Property of Funhogs

• 15.3 Avg MPG

• Suburban Z71

  2003 Chevrolet Suburban 1500 Z-71
  Added Mar 2017 • 204 Fuel-ups

  Property of brents

• 13.3 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Jan 2017 • 3 Fuel-ups

  Property of ddt414

• 12.8 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 Z71
  Added Mar 2017 • 109 Fuel-ups

  Property of raiste

• 19.3 Avg MPG

• Chevrolet Suburban

  2003 Chevrolet Suburban 1500 LT Automatic 4 Speed Sport Utility
  Added Oct 2018 • 123 Fuel-ups

  Property of jpchevyboy

• 17.7 Avg MPG

• 2003 Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2016 • 88 Fuel-ups

  Property of bfreedgas

• 15.4 Avg MPG

• Black Betty

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2015 • 34 Fuel-ups

  Property of boomerce

• 16.1 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Feb 2016 • 8 Fuel-ups

  Property of mamabee

• 11.1 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2018 • 258 Fuel-ups

  Property of mutigerdad1

• 16.3 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L GAS V8 Automatic 4 Sport Utility (4 Door)
  Added Jun 2015 • 15 Fuel-ups

  Property of KJMurphy05

• 20.6 Avg MPG

• Ron Burgundy

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Wagon
  Added Jul 2015 • 40 Fuel-ups

  Property of redbike

• 13.5 Avg MPG

• Jorge

  2003 Chevrolet Suburban 1500 LT 5.3L GAS V8 Automatic 4 Sport Utility (4 Door)
  Added Nov 2014 • 52 Fuel-ups

  Property of rrex

• 16.4 Avg MPG

• Bessie

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Dec 2015 • 7 Fuel-ups

  Property of abbykragh

• 11.8 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Oct 2015 • 6 Fuel-ups

  Property of suburban4dayz

• 13.6 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 156 Fuel-ups

  Property of jehuygens

• 13.6 Avg MPG

• Dorothy

  2003 Chevrolet Suburban 1500 GAS V8
  Added Jan 2013 • 92 Fuel-ups

  Property of IraAllen

• 14.6 Avg MPG

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