Based on data from 103 vehicles, 5,831 fuel-ups and 1,930,976 miles of driving, the 2003 Nissan Altima gets a combined Avg MPG of 23.82 with a 0.12 MPG margin of error.

Any Engine Type 2.5L L4 GAS (50) 3.5L V6 GAS (24) GAS (1) L4 GAS (19) V6 GAS (1) Any Body Style Sedan (28) Any Submodel Base (10) SL (10) SE (25) S (30) Other (28)

Below you can see a distribution of the fuel-ups with 208 outliers (3.44%) removed.

Following shows the average MPG of each of the 103 vehicles in the system.

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• 2003 Altima

  2003 Nissan Altima S 2.5L L4 GAS Automatic 4 Speed
  Added Jul 2018 • 39 Fuel-ups

  Property of TimberTracker

• 22.2 Avg MPG

• Big Brown

  2003 Nissan Altima GAS L4
  Added Jan 2013 • 89 Fuel-ups

  Property of bigbrown

• 25.9 Avg MPG

• Altima

  2003 Nissan Altima SL 2.5L GAS L4 Automatic 4 Sedan (4 Door)
  Added Nov 2014 • 9 Fuel-ups

  Property of PGHondas

• 21.0 Avg MPG

• Altima

  2003 Nissan Altima 2.5L L4 GAS Sedan
  Added Nov 2017 • 40 Fuel-ups

  Property of Knobbyknee

• 42.4 Avg MPG

• The Boat

  2003 Nissan Altima GAS L4
  Added Jul 2012 • 65 Fuel-ups

  Property of sbunch9

• 27.4 Avg MPG

• Altima 2003 2.5L

  2003 Nissan Altima GAS L4
  Added Sep 2013 • 22 Fuel-ups

  Property of IONOSTRIOGLO

• 21.9 Avg MPG

• Altima SL

  2003 Nissan Altima GAS L4
  Added Mar 2014 • 47 Fuel-ups

  Property of zkdawg

• 21.4 Avg MPG

• Ian's Alti

  2003 Nissan Altima GAS L4
  Added Jul 2011 • 102 Fuel-ups

  Property of IanZee

• 23.4 Avg MPG

• Joes

  2003 Nissan Altima S 2.5L L4 GAS Automatic 4 Speed
  Added Mar 2017 • 60 Fuel-ups

  Property of mrgilly

• 28.6 Avg MPG

• My Altima

  2003 Nissan Altima SE 3.5L GAS V6 Automatic 4 Sedan (4 Door)
  Added Jul 2014 • 5 Fuel-ups

  Property of mrgilly

• 29.8 Avg MPG

• Altima

  2003 Nissan Altima SE 3.5L V6 GAS 3498cc Standard 5
  Added Jun 2014 • 13 Fuel-ups

  Property of WebDebz

• 27.2 Avg MPG

• Nissan

  2003 Nissan Altima ?
  Added Aug 2016 • 155 Fuel-ups

  Property of cstott

• 26.2 Avg MPG

• Alteema

  2003 Nissan Altima GAS L4
  Added Mar 2014 • 3 Fuel-ups

  Property of KaylaD1116

• 21.8 Avg MPG

• Altima

  2003 Nissan Altima SE 3.5L V6 GAS
  Added Aug 2016 • 51 Fuel-ups

  Property of samofnewton

• 29.4 Avg MPG

• Greenmachine

  2003 Nissan Altima GAS L4
  Added Jun 2012 • 34 Fuel-ups

  Property of bklynsean

• 15.3 Avg MPG

• Altima 3.5L

  2003 Nissan Altima SE 3.5L V6 GAS Automatic 4 Speed
  Added Sep 2016 • 175 Fuel-ups

  Property of icarrera76

• 23.6 Avg MPG

• Gabby

  2003 Nissan Altima GAS
  Added Jul 2012 • 12 Fuel-ups

  Property of Joshawa

• 22.0 Avg MPG

• 03 Altima

  2003 Nissan Altima
  Added Aug 2013 • 6 Fuel-ups

  Property of kdlb

• 27.5 Avg MPG

• New Nissan

  2003 Nissan Altima GAS L4
  Added Apr 2013 • 6 Fuel-ups

  Property of TheChad

• 28.9 Avg MPG

• Altima

  2003 Nissan Altima GAS L4
  Added Nov 2012 • 30 Fuel-ups

  Property of romancollins

• 24.8 Avg MPG

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