Based on data from 37 vehicles, 1,717 fuel-ups and 550,967 miles of driving, the 2005 Audi A6 Quattro gets a combined Avg MPG of 19.75 with a 0.29 MPG margin of error.

Any Engine Type 3.0L V6 GAS (1) 3.2L V6 GAS (12) 4.2L V8 GAS (7) V6 DIESEL (9) V6 GAS (2) V8 GAS (2) Any Body Style Sedan (7) Wagon (2) Hatchback (1) Any Submodel Elite (9) Base (17) Other (11)

Below you can see a distribution of the fuel-ups with 21 outliers (1.21%) removed.

Following shows the average MPG of each of the 37 vehicles in the system.

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• Audi A6

  2005 Audi A6 Quattro S line Automatic 6 Speed
  Added Sep 2016 • 15 Fuel-ups

  Property of micalen

• 61.0 Avg MPG

• My A6 Quattro

  2005 Audi A6 Quattro Elite 4.2L V8 GAS Automatic 6 Speed
  Added Sep 2022 • 67 Fuel-ups

  Property of robinshops

• 18.5 Avg MPG

• Oyster A6

  2005 Audi A6 Quattro 3.2L V6 GAS Automatic 6 Speed Sedan
  Added Jan 2023 • 14 Fuel-ups

  Property of autolude

• 22.8 Avg MPG

• Audi A6 C6 4.2 V8

  2005 Audi A6 Quattro Elite 4.2L V8 GAS Automatic 6 Speed
  Added Mar 2017 • 196 Fuel-ups

  Property of trancytimbo

• 13.3 Avg MPG

• AUDI

  2005 Audi A6 Quattro Elite V6 DIESEL Automatic 6 Speed Wagon
  Added Nov 2023 • 12 Fuel-ups

  Property of erkki2001

• 46.5 Avg MPG

• A6

  2005 Audi A6 Quattro N/A
  Added Oct 2016 • 275 Fuel-ups

  Property of Chuckdaddy

• 22.2 Avg MPG

• Audi A6

  2005 Audi A6 Quattro V6 DIESEL Automatic 6 Speed Wagon
  Added Oct 2017 • 89 Fuel-ups

  Property of speksu

• 25.2 Avg MPG

• My Audi

  2005 Audi A6 Quattro 4.2L V8 GAS Automatic 6 Speed Sedan
  Added Jul 2017 • 22 Fuel-ups

  Property of themorn2112

• 11.1 Avg MPG

• A6 Quattro

  2005 Audi A6 Quattro 3.2L V6 GAS Automatic 6 Speed
  Added Feb 2017 • 92 Fuel-ups

  Property of Wheretheasphaltends

• 17.4 Avg MPG

• Audi A6

  2005 Audi A6 Quattro 3.2L V6 GAS Automatic 6 Speed Sedan
  Added Jan 2019 • 3 Fuel-ups

  Property of sparky88x

• 18.3 Avg MPG

• Audi A6

  2005 Audi A6 Quattro Elite Automatic 6 Speed Sedan
  Added Jul 2018 • 4 Fuel-ups

  Property of TeaMeTzu

• 19.0 Avg MPG

• Auti

  2005 Audi A6 Quattro DIESEL V6
  Added Jun 2014 • 114 Fuel-ups

  Property of ripe54

• 26.4 Avg MPG

• My A6 Quattro

  2005 Audi A6 Quattro 3.2L V6 GAS Automatic 6 Speed
  Added Jun 2018 • 8 Fuel-ups

  Property of drivehappy

• 25.7 Avg MPG

• Nyashka

  2005 Audi A6 Quattro Elite 4.2L V8 GAS Automatic 6 Speed Sedan
  Added Feb 2015 • 53 Fuel-ups

  Property of wolk_11

• 19.0 Avg MPG

• My A6 Quattro

  2005 Audi A6 Quattro 3.2L V6 GAS Automatic 6 Speed
  Added Aug 2017 • 6 Fuel-ups

  Property of kenlafayette41

• 21.2 Avg MPG

• Audi

  2005 Audi A6 Quattro 3.2L V6 GAS Automatic 6 Speed Sedan
  Added Jan 2013 • 135 Fuel-ups

  Property of therash0

• 22.2 Avg MPG

• Audi A6 Avant 3.0 TDi Quattro ( C6 4F )

  2005 Audi A6 Quattro DIESEL V6
  Added Jun 2012 • 119 Fuel-ups

  Property of gupsterg

• 23.2 Avg MPG

• ALY

  2005 Audi A6 Quattro Elite 4.2L V8 GAS Automatic 6 Speed Sedan
  Added Oct 2016 • 22 Fuel-ups

  Property of Zenvalo

• 15.5 Avg MPG

• Audi A6 3.2FSI Quattro Avant

  2005 Audi A6 Quattro 3.2L V6 GAS Automatic 6 Speed Hatchback
  Added Dec 2012 • 103 Fuel-ups

  Property of msh

• 20.8 Avg MPG

• Audi A6 4.2

  2005 Audi A6 Quattro Elite 4.2L V8 GAS Automatic 6 Speed
  Added Sep 2016 • 24 Fuel-ups

  Property of Keevo

• 13.3 Avg MPG

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