Based on data from 154 vehicles, 11,424 fuel-ups and 3,175,917 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 V8 GAS Standard 5 Speed
  Added Oct 2016 • 31 Fuel-ups

  Property of Tundra2003

• 17.0 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Standard 5 Speed Extended Cab Pickup
  Added Aug 2017 • 5 Fuel-ups

  Property of hephaestus

• 16.3 Avg MPG

• 2003 Toyota Tundra

  2003 Toyota Tundra Limited 4.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 273 Fuel-ups

  Property of kevinp2

• 15.4 Avg MPG

• Toyota Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 265 Fuel-ups

  Property of ronilm89

• 15.0 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Sep 2016 • 44 Fuel-ups

  Property of 03Tundraguy

• 14.3 Avg MPG

• My Tundra

  2003 Toyota Tundra Limited 4.7L V8 GAS Automatic 4 Speed
  Added Jul 2016 • 18 Fuel-ups

  Property of yacamoo

• 10.4 Avg MPG

• My Tundra

  2003 Toyota Tundra Limited 4.7L V8 GAS Automatic 4 Speed
  Added Dec 2015 • 9 Fuel-ups

  Property of Blake_222

• 13.4 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Apr 2016 • 25 Fuel-ups

  Property of lardener

• 16.0 Avg MPG

• Toyota Tundra

  2003 Toyota Tundra 3.4L V6 GAS Automatic 4 Speed
  Added Mar 2017 • 13 Fuel-ups

  Property of watirbob

• 19.1 Avg MPG

• Toyota Tundra

  2003 Toyota Tundra 3.4L V6 GAS Standard 5 Speed
  Added Sep 2016 • 144 Fuel-ups

  Property of magicvegas

• 16.1 Avg MPG

• Toyota

  2003 Toyota Tundra SR5 Automatic 4 Extended Cab Pickup (4 Door)
  Added May 2015 • 32 Fuel-ups

  Property of FlyFuel519

• 17.3 Avg MPG

• CrowsTow and CrowsWing

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Mar 2013 • 29 Fuel-ups

  Property of jim65wagon

• 11.3 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Aug 2012 • 248 Fuel-ups

  Property of LoupFou

• 14.7 Avg MPG

• Toyota Tundra

  2003 Toyota Tundra GAS V8
  Added Jul 2012 • 16 Fuel-ups

  Property of TubaTom

• 16.8 Avg MPG

• My Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Feb 2016 • 13 Fuel-ups

  Property of mpdennis

• 14.7 Avg MPG

• Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2014 • 33 Fuel-ups

  Property of Deslock23

• 14.7 Avg MPG

• Unicorn

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Jan 2015 • 21 Fuel-ups

  Property of Firebolt

• 15.9 Avg MPG

• Toucan's Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed Extended Cab Pickup
  Added Sep 2015 • 3 Fuel-ups

  Property of ToucanF16

• 18.3 Avg MPG

• 2003 Tundra

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Aug 2016 • 10 Fuel-ups

  Property of GTBA

• 28.1 Avg MPG

• Joe's truck

  2003 Toyota Tundra SR5 4.7L V8 GAS Automatic 4 Speed
  Added Apr 2017 • 147 Fuel-ups

  Property of Army8v8r

• 17.5 Avg MPG

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