Based on data from 157 vehicles, 11,909 fuel-ups and 3,307,267 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 (28) 4.7L V8 GAS (100) V6 GAS (1) V8 GAS (23) Any Body Style Standard Cab Pickup (7) Extended Cab Pickup (36) Extended Crew Cab Pickup (1) Any Submodel Base (17) Limited (20) SR5 (94) Other (26)

Below you can see a distribution of the fuel-ups with 1135 outliers (8.70%) removed.

Following shows the average MPG of each of the 157 vehicles in the system.

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• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Nov 2020 • 213 Fuel-ups

  Property of Flybox

• 14.7 Avg MPG

• Tundra

  2003 Toyota Tundra 3.4L V6 GAS Standard Cab Pickup
  Added Jan 2020 • 118 Fuel-ups

  Property of GarthSorenson

• 15.2 Avg MPG

• My Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Apr 2023 • 86 Fuel-ups

  Property of rpw91

• 15.0 Avg MPG

• My Tundra

  2003 Toyota Tundra 3.4L V6 GAS Automatic 4 Speed
  Added Feb 2025 • 4 Fuel-ups

  Property of cranman

• 19.1 Avg MPG

• Larry's Truck

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Oct 2017 • 140 Fuel-ups

  Property of lgmbl

• 13.7 Avg MPG

• Dads Tundra

  2003 Toyota Tundra 3.4L V6 GAS Standard Cab Pickup
  Added Jul 2023 • 50 Fuel-ups

  Property of ryan_mazurek

• 18.0 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Jun 2018 • 108 Fuel-ups

  Property of Stompit

• 23.5 Avg MPG

• My Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Dec 2019 • 113 Fuel-ups

  Property of Landog

• 15.7 Avg MPG

• My Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Jan 2022 • 125 Fuel-ups

  Property of jakob356

• 14.7 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 3.4L V6 GAS Automatic 4 Speed
  Added Oct 2017 • 303 Fuel-ups

  Property of Zalapa89

• 16.7 Avg MPG

• Tundra

  2003 Toyota Tundra SR5
  Added Oct 2017 • 239 Fuel-ups

  Property of jssfrk77

• 18.2 Avg MPG

• Tundra

  2003 Toyota Tundra Limited 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2025 • 142 Fuel-ups

  Property of jthartis

• 16.6 Avg MPG

• My Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Mar 2025 • 147 Fuel-ups

  Property of lobohog

• 15.1 Avg MPG

• Toyota Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2018 • 558 Fuel-ups

  Property of cjsteele

• 15.9 Avg MPG

• My Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Aug 2022 • 259 Fuel-ups

  Property of JamesAC1995

• 15.3 Avg MPG

• 2003 Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Feb 2016 • 710 Fuel-ups

  Property of chichitao

• 17.5 Avg MPG

• Tundra

  2003 Toyota Tundra Limited 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2018 • 106 Fuel-ups

  Property of leonard0010

• 14.4 Avg MPG

• ‘03 Tundra

  2003 Toyota Tundra 3.4L V6 GAS Automatic 4 Speed
  Added Aug 2023 • 20 Fuel-ups

  Property of jtscully03

• 11.6 Avg MPG

• My Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Jul 2024 • 18 Fuel-ups

  Property of juice1

• 15.7 Avg MPG

• 2003 Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Standard Cab Pickup
  Added Sep 2021 • 43 Fuel-ups

  Property of mainlandnj

• 18.3 Avg MPG

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