Based on data from 17 vehicles, 698 fuel-ups and 173,119 miles of driving, the 2003 Audi RS6 gets a combined Avg MPG of 14.55 with a 0.20 MPG margin of error.

Any Engine Type 4.2L V8 GAS (13) V8 GAS (4) Any Body Style Sedan (8) Any Submodel Base (13) Other (4)

Below you can see a distribution of the fuel-ups with 13 outliers (1.83%) removed.

Following shows the average MPG of each of the 17 vehicles in the system.

• Audi RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed
  Added Mar 2018 • 246 Fuel-ups

  Property of Nelsons

• 15.9 Avg MPG

• My RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed
  Added Aug 2022 • 13 Fuel-ups

  Property of arnabio

• 13.1 Avg MPG

• C5 RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed
  Added Apr 2017 • 23 Fuel-ups

  Property of jmacmillan

• 12.2 Avg MPG

• Ares

  2003 Audi RS6 4.2L V8 GAS Manual 6 Speed Sedan
  Added Feb 2021 • 34 Fuel-ups

  Property of Dopatka

• 17.5 Avg MPG

• RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed Sedan
  Added Mar 2019 • 32 Fuel-ups

  Property of ThetaTau87

• 14.3 Avg MPG

• RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed Sedan
  Added Mar 2019 • 10 Fuel-ups

  Property of bocarat

• 19.0 Avg MPG

• ‘03 Weekend Racer

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed Sedan
  Added Aug 2012 • 91 Fuel-ups

  Property of ryan4186

• 13.8 Avg MPG

• RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed Sedan
  Added Jul 2018 • 123 Fuel-ups

  Property of Thebass6

• 14.3 Avg MPG

• RS6

  2003 Audi RS6 4.2L V8 GAS Standard 6 Speed Sedan
  Added Feb 2017 • 5 Fuel-ups

  Property of bocarat

• 16.5 Avg MPG

• Audi RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed
  Added Aug 2016 • 74 Fuel-ups

  Property of teddyoctober

• 13.3 Avg MPG

• RS 6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed Sedan
  Added Feb 2015 • 21 Fuel-ups

  Property of tbucklin

• 12.7 Avg MPG

• RS6

  2003 Audi RS6 4.2L V8 GAS Automatic 5 Speed Sedan
  Added Jan 2017 • 3 Fuel-ups

  Property of Agent5050

• 15.3 Avg MPG

• U TI VOM

  2003 Audi RS6 GAS V8
  Added May 2012 • 8 Fuel-ups

  Property of seurbanek

• 16.7 Avg MPG

• Daytona RS6

  2003 Audi RS6 4.2L GAS V8 Automatic 5 Sedan (4 Door)
  Added May 2015 • 12 Fuel-ups

  Property of teddyoctober

• 12.4 Avg MPG

• Audi RS6

  2003 Audi RS6 GAS V8
  Added May 2014 • 24 Fuel-ups

  Property of Iammrfancypants

• 15.7 Avg MPG

• Audi RS6

  2003 Audi RS6 GAS V8
  Added Apr 2012 • 40 Fuel-ups

  Property of agregory23

• 15.3 Avg MPG

• Rs6

  2003 Audi RS6 GAS V8
  Added Sep 2011 • 3 Fuel-ups

  Property of mostinp

• 14.5 Avg MPG