Based on data from 111 vehicles, 8,627 fuel-ups and 2,649,956 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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• 2003 Subruban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jan 2020 • 99 Fuel-ups

  Property of crazybeaver2005

• 16.4 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 259 Fuel-ups

  Property of BrightParrot

• 14.5 Avg MPG

• Chevrolet Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 196 Fuel-ups

  Property of SAAB-Man

• 17.0 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 113 Fuel-ups

  Property of ericburn

• 15.7 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L GAS V8 Automatic 4
  Added Jun 2014 • 67 Fuel-ups

  Property of ndavidson

• 14.4 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jul 2017 • 15 Fuel-ups

  Property of jakeball

• 13.7 Avg MPG

• Les

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 355 Fuel-ups

  Property of lbmccoy

• 14.8 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 GAS V8
  Added Apr 2014 • 12 Fuel-ups

  Property of roundguy

• 12.1 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Jan 2018 • 10 Fuel-ups

  Property of srdiver26

• 17.7 Avg MPG

• Chevrolet Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Jun 2018 • 24 Fuel-ups

  Property of Beaverbrookdd

• 14.0 Avg MPG

• Burban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Aug 2018 • 20 Fuel-ups

  Property of GTS208

• 19.3 Avg MPG

• 03 Chevy Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 13 Fuel-ups

  Property of joesauto24

• 20.1 Avg MPG

• Truck

  2003 Chevrolet Suburban 1500 Z71
  Added Nov 2017 • 51 Fuel-ups

  Property of rmayhew

• 12.8 Avg MPG

• The Burb

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 7 Fuel-ups

  Property of jonkas

• 14.7 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2017 • 30 Fuel-ups

  Property of Kf6kmx

• 12.4 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Dec 2017 • 23 Fuel-ups

  Property of Vicki_Stitch

• 15.9 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71
  Added Apr 2017 • 48 Fuel-ups

  Property of avh00a

• 13.0 Avg MPG

• Ifrit

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2018 • 5 Fuel-ups

  Property of morghane

• 14.1 Avg MPG

• 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

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