Based on data from 154 vehicles, 11,428 fuel-ups and 3,176,869 miles of driving, the 2003 Toyota Tundra gets a combined Avg MPG of 15.06 with a 0.05 MPG margin of error.

Any Engine Type 3.4L V6 GAS (27) 4.7L V8 GAS (98) V6 GAS (1) V8 GAS (23) Any Body Style Standard Cab Pickup (7) Extended Cab Pickup (35) Extended Crew Cab Pickup (1) Any Submodel Base (16) Limited (19) SR5 (93) Other (26)

Below you can see a distribution of the fuel-ups with 1119 outliers (8.92%) removed.

Following shows the average MPG of each of the 154 vehicles in the system.

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• My Tundra

  2003 Toyota Tundra SR5 4.7L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Jun 2015 • 4 Fuel-ups

  Property of DarkManX

• 22.1 Avg MPG

• truck

  2003 Toyota Tundra SR5 4.7L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Mar 2015 • 14 Fuel-ups

  Property of EsteHoboface

• 15.2 Avg MPG

• 2003 Toyota Tundra

  2003 Toyota Tundra SR5 4.7L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Aug 2014 • 12 Fuel-ups

  Property of 1stGenRex

• 16.1 Avg MPG

• Thundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Mar 2017 • 26 Fuel-ups

  Property of toy4runnersr5

• 17.3 Avg MPG

• Tundra

  2003 Toyota Tundra 3.4L V6 GAS Automatic 4 Speed
  Added Dec 2017 • 11 Fuel-ups

  Property of gipster

• 36.4 Avg MPG

• beast

  2003 Toyota Tundra SR5 4.7L GAS V8 Automatic 4 Extended Cab Pickup (4 Door)
  Added Dec 2014 • 7 Fuel-ups

  Property of twitched

• 18.2 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 115 Fuel-ups

  Property of arunge

• 14.0 Avg MPG

• Big Red

  2003 Toyota Tundra GAS V8
  Added Jan 2014 • 65 Fuel-ups

  Property of cara21

• 15.6 Avg MPG

• Expotundra

  2003 Toyota Tundra GAS V8
  Added Mar 2013 • 10 Fuel-ups

  Property of expotundra

• 15.8 Avg MPG

• Stepside Tundra

  2003 Toyota Tundra GAS V8
  Added Jun 2013 • 30 Fuel-ups

  Property of edmp3006

• 15.4 Avg MPG

• 2003 Toyota Tundra

  2003 Toyota Tundra GAS V8
  Added Dec 2011 • 85 Fuel-ups

  Property of asheikh

• 17.0 Avg MPG

• Tundra

  2003 Toyota Tundra GAS V8
  Added Aug 2013 • 10 Fuel-ups

  Property of mEaty30

• 16.5 Avg MPG

• huey

  2003 Toyota Tundra GAS V8
  Added Feb 2011 • 44 Fuel-ups

  Property of capncut

• 14.0 Avg MPG

• Baja Exploration Vehicle

  2003 Toyota Tundra
  Added Jun 2011 • 50 Fuel-ups

  Property of 1OlaMas

• 14.7 Avg MPG

• Tundra

  2003 Toyota Tundra GAS V8
  Added Apr 2011 • 37 Fuel-ups

  Property of misnMT

• 15.7 Avg MPG

• Doc

  2003 Toyota Tundra GAS V8
  Added Jan 2013 • 7 Fuel-ups

  Property of checkyourdoover

• 28.3 Avg MPG

• Tundra

  2003 Toyota Tundra GAS V8
  Added Feb 2013 • 10 Fuel-ups

  Property of roam4money

• 17.5 Avg MPG

• Toyota Tundra

  2003 Toyota Tundra GAS V8
  Added May 2011 • 53 Fuel-ups

  Property of twobilly

• 17.7 Avg MPG

• The Truck

  2003 Toyota Tundra GAS V8
  Added Sep 2012 • 7 Fuel-ups

  Property of Tundradude

• 12.0 Avg MPG

• Tundra

  2003 Toyota Tundra GAS V8
  Added Sep 2011 • 38 Fuel-ups

  Property of KuntryBoy

• 14.9 Avg MPG

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