Based on data from 21 vehicles, 1,326 fuel-ups and 402,366 miles of driving, the 2003 Audi A6 Quattro gets a combined Avg MPG of 18.99 with a 0.32 MPG margin of error.

Any Engine Type 2.7L V6 GAS (4) 3.0L V6 GAS (5) 4.2L V8 GAS (1) V6 DIESEL (1) V6 GAS (5) V8 GAS (1) Any Body Style Sedan (8) Wagon (3) Any Submodel Avant (4) Base (8) Other (9)

Below you can see a distribution of the fuel-ups with 25 outliers (1.85%) removed.

Following shows the average MPG of each of the 21 vehicles in the system.

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• AUDI A6 KK630BX

  2003 Audi A6 Quattro Avant 3,0L V6 GAS Automatic 5 Speed Wagon
  Added Mar 2025 • 15 Fuel-ups

  Property of Peter26

• 18.0 Avg MPG

• Audi A6 1.8T Quattro

  2003 Audi A6 Quattro 1.8T QUATTRO Automatic 5 Speed
  Added Aug 2023 • 23 Fuel-ups

  Property of antonislou

• 19.0 Avg MPG

• Hansel

  2003 Audi A6 Quattro 4.2L V8 GAS Automatic 5 Speed Sedan
  Added Nov 2018 • 102 Fuel-ups

  Property of TheEnemy

• 16.0 Avg MPG

• Audi a6

  2003 Audi A6 Quattro Avant V6 DIESEL Automatic 5 Speed Wagon
  Added Feb 2023 • 8 Fuel-ups

  Property of HasseIM

• 26.8 Avg MPG

• Audi

  2003 Audi A6 Quattro 2.7L V6 GAS Automatic 5 Speed Sedan
  Added Aug 2019 • 9 Fuel-ups

  Property of RJT21

• 21.6 Avg MPG

• Audi

  2003 Audi A6 Quattro Sedan
  Added Nov 2021 • 8 Fuel-ups

  Property of Be_Kind

• 25.0 Avg MPG

• 2003 Audi A6 Avant

  2003 Audi A6 Quattro Avant 3.0L V6 GAS Automatic 5 Speed
  Added Sep 2016 • 63 Fuel-ups

  Property of cgrvs

• 24.8 Avg MPG

• A6

  2003 Audi A6 Quattro 2.7L V6 GAS Manual 6 Speed Sedan
  Added May 2016 • 69 Fuel-ups

  Property of rl51

• 17.9 Avg MPG

• Quattro

  2003 Audi A6 Quattro Avant 3,0L V6 GAS Automatic 5 Speed Wagon
  Added Apr 2025 • 269 Fuel-ups

  Property of Myfuels

• 27.2 Avg MPG

• Audi A6 C5

  2003 Audi A6 Quattro 2.7L V6 GAS Automatic 5 Speed Sedan
  Added Feb 2013 • 411 Fuel-ups

  Property of Lancekragenbrink

• 20.0 Avg MPG

• Audi

  2003 Audi A6 Quattro GAS V6
  Added Jan 2011 • 72 Fuel-ups

  Property of Vot

• 18.5 Avg MPG

• 2003 A6

  2003 Audi A6 Quattro 3.0L V6 GAS Sedan
  Added Jun 2018 • 301 Fuel-ups

  Property of brianw

• 16.1 Avg MPG

• Audi

  2003 Audi A6 Quattro 2.7L V6 GAS Standard 6 Speed Sedan
  Added May 2015 • 48 Fuel-ups

  Property of estomax

• 22.1 Avg MPG

• Wilhelm

  2003 Audi A6 Quattro 3.0L V6 GAS Automatic 5 Speed Sedan
  Added Aug 2015 • 3 Fuel-ups

  Property of beno70

• 12.5 Avg MPG

• Audi A6 Avant

  2003 Audi A6 Quattro GAS V6
  Added Aug 2010 • 111 Fuel-ups

  Property of davidcha64

• 15.9 Avg MPG

• Audi

  2003 Audi A6 Quattro
  Added Jan 2013 • 11 Fuel-ups

  Property of ran823tc

• 15.0 Avg MPG

• ARL A6

  2003 Audi A6 Quattro
  Added Apr 2011 • 40 Fuel-ups

  Property of Arl

• 18.1 Avg MPG

• Audi

  2003 Audi A6 Quattro GAS V6
  Added Jul 2011 • 11 Fuel-ups

  Property of BryanG

• 19.9 Avg MPG

• 3.slow

  2003 Audi A6 Quattro GAS V6
  Added Feb 2011 • 12 Fuel-ups

  Property of iNsaNiA

• 20.5 Avg MPG

• Red Audi

  2003 Audi A6 Quattro GAS V6
  Added Jan 2011 • 8 Fuel-ups

  Property of orfanella121

• 15.1 Avg MPG

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