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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• Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Oct 2020 • 260 Fuel-ups

  Property of theglasgos

• 14.0 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2018 • 64 Fuel-ups

  Property of ford_pickup

• 15.0 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed
  Added Jun 2017 • 192 Fuel-ups

  Property of blithed

• 13.4 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Feb 2023 • 63 Fuel-ups

  Property of 08uplander

• 16.2 Avg MPG

• Suburan

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 57 Fuel-ups

  Property of 4shee

• 17.0 Avg MPG

• 03 Suburban

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jan 2018 • 30 Fuel-ups

  Property of srimes

• 15.0 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed
  Added Jun 2021 • 39 Fuel-ups

  Property of mcewen514

• 12.1 Avg MPG

• Chevy

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Sep 2012 • 240 Fuel-ups

  Property of Wiesbaden

• 12.8 Avg MPG

• Burb

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jul 2024 • 6 Fuel-ups

  Property of NeptunusRex

• 16.2 Avg MPG

• Dirty 'burban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Dec 2021 • 36 Fuel-ups

  Property of NONo443

• 13.0 Avg MPG

• Green Machine

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Apr 2022 • 35 Fuel-ups

  Property of GrandPrix46

• 12.9 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 Z71
  Added May 2023 • 59 Fuel-ups

  Property of lakesidelooter

• 14.9 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 LT 5.3L V8 FLEX Automatic 4 Speed
  Added Nov 2022 • 10 Fuel-ups

  Property of mjhanderson

• 12.3 Avg MPG

• My Suburban 1500

  2003 Chevrolet Suburban 1500 Z71 5.3L V8 FLEX Automatic 4 Speed
  Added Nov 2023 • 6 Fuel-ups

  Property of uckosa

• 13.9 Avg MPG

• Big Burb.

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Sep 2021 • 69 Fuel-ups

  Property of robertpeart

• 13.0 Avg MPG

• Suburban 1500

  2003 Chevrolet Suburban 1500 LS 5.3L V8 GAS Automatic 4 Speed
  Added Jul 2022 • 4 Fuel-ups

  Property of FromHere

• 15.3 Avg MPG

• Green Giant

  2003 Chevrolet Suburban 1500 LT 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jul 2019 • 71 Fuel-ups

  Property of MrJeepguy

• 12.6 Avg MPG

• My Suburban

  2003 Chevrolet Suburban 1500 5.3L V8 GAS Automatic 4 Speed Sport Utility
  Added Jul 2023 • 28 Fuel-ups

  Property of RomanMoore

• 13.9 Avg MPG

• Suburban

  2003 Chevrolet Suburban 1500 LS 5.3L V8 FLEX Automatic 4 Speed Sport Utility
  Added Sep 2018 • 210 Fuel-ups

  Property of Golf-GT-TDI

• 12.2 Avg MPG

• 2003 Suburban 1500

  2003 Chevrolet Suburban 1500 Z71
  Added Dec 2017 • 182 Fuel-ups

  Property of ericwc

• 13.0 Avg MPG

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