Based on data from 113 vehicles, 8,271 fuel-ups and 2,545,563 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 774 outliers (8.56%) 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 Jun 2019 • 33 Fuel-ups

  Property of tdi_850

• 15.2 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added May 2018 • 27 Fuel-ups

  Property of teamazevedo

• 14.9 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jun 2014 • 56 Fuel-ups

  Property of CompostPile

• 15.3 Avg MPG

• 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

• 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

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