Based on data from 68 vehicles, 2,879 fuel-ups and 1,085,889 miles of driving, the 2004 Audi A4 gets a combined Avg MPG of 27.55 with a 0.40 MPG margin of error.

Any Engine Type 1.8L L4 GAS (22) 2.0L L4 GAS (1) 3.0L V6 GAS (3) DIESEL (3) GAS (4) L4 DIESEL (13) L4 GAS (7) V6 DIESEL (3) V6 GAS (1) Any Body Style Sedan (6) Wagon (5) Convertible (4) Any Submodel Cabrio (2) S Line (4) Cabriolet (5) Avant Sport (5) Avant (9) Base (12) Other (31)

Below you can see a distribution of the fuel-ups with 44 outliers (1.51%) removed.

Following shows the average MPG of each of the 68 vehicles in the system.

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• My A4

  2004 Audi A4 Cabriolet 1.8L L4 GAS Standard 5 Speed Convertible
  Added Jun 2016 • 27 Fuel-ups

  Property of Aardschok

• 25.4 Avg MPG

• Audi A4

  2004 Audi A4 1.8L L4 GAS Standard 5 Speed
  Added Sep 2016 • 6 Fuel-ups

  Property of wdkgecko

• 25.4 Avg MPG

• Elizabeth

  2004 Audi A4 Avant L4 GAS Automatic CVT Wagon
  Added Mar 2016 • 14 Fuel-ups

  Property of Shinyshoes

• 25.2 Avg MPG

• Audi A4 silver

  2004 Audi A4 Avant 3.0L V6 GAS Automatic 5 Speed
  Added Aug 2016 • 20 Fuel-ups

  Property of meaganleighb

• 18.3 Avg MPG

• Audi A4 B6 Avant 1.8T

  2004 Audi A4 Avant 1.8L L4 GAS Standard 6 Speed Wagon
  Added Feb 2016 • 8 Fuel-ups

  Property of rossk26

• 25.9 Avg MPG

• Audi

  2004 Audi A4 1.8L L4 GAS Automatic 5 Speed
  Added Apr 2017 • 88 Fuel-ups

  Property of tekenchi

• 23.0 Avg MPG

• Audi 2004

  2004 Audi A4 1.8L L4 GAS Automatic 5 Speed Sedan
  Added Aug 2019 • 40 Fuel-ups

  Property of scott45

• 23.8 Avg MPG

• a4 b6 1.9tdi

  2004 Audi A4 sport L4 DIESEL
  Added Mar 2016 • 3 Fuel-ups

  Property of Crangle

• 31.5 Avg MPG

• Audi A4 Cabriolet 2.5TDI Sport

  2004 Audi A4 Cabriolet V6 DIESEL Standard 6 Speed Convertible
  Added Jul 2015 • 7 Fuel-ups

  Property of cam7777

• 32.6 Avg MPG

• Audi A4 Avant 1.9TDi 130 SE

  2004 Audi A4 Avant 1.8L L4 GAS Standard 5 Speed Wagon
  Added Oct 2011 • 154 Fuel-ups

  Property of MistaScruff

• 38.4 Avg MPG

• Audi A4

  2004 Audi A4 1,8L L4 GAS Standard 5 Speed Sedan
  Added Nov 2015 • 8 Fuel-ups

  Property of eumealto

• 6.5 Avg MPG

• Commute car

  2004 Audi A4 1.8L L4 GAS Standard 6 Speed Sedan
  Added Aug 2015 • 5 Fuel-ups

  Property of totalnow

• 33.3 Avg MPG

• Audi

  2004 Audi A4 1.8L L4 GAS Standard 5 Sedan (4 Door)
  Added Jul 2014 • 15 Fuel-ups

  Property of parsl

• 32.4 Avg MPG

• Audi

  2004 Audi A4 GAS
  Added Jul 2015 • 11 Fuel-ups

  Property of Willhorn

• 23.7 Avg MPG

• 2004 - A4

  2004 Audi A4 S Line 1.8L L4 GAS Automatic CVT Sedan (4 Door)
  Added Mar 2015 • 5 Fuel-ups

  Property of FuzzyWuzzyWazza

• 34.3 Avg MPG

• Audi A4

  2004 Audi A4 1.8L GAS L4 Automatic CVT Sedan (4 Door)
  Added Sep 2012 • 78 Fuel-ups

  Property of Wiesbaden

• 23.9 Avg MPG

• A4

  2004 Audi A4 GAS L4
  Added Jan 2013 • 46 Fuel-ups

  Property of Stanner

• 25.0 Avg MPG

• Howard's Audi

  2004 Audi A4 S Line 1.8L L4 GAS Automatic CVT
  Added Aug 2016 • 51 Fuel-ups

  Property of hllondon

• 23.6 Avg MPG

• Audi A4 Sport 1.9TDI

  2004 Audi A4 Sport 1.9 TDI Manual FWD
  Added Jun 2014 • 20 Fuel-ups

  Property of hpiracing3310

• 35.7 Avg MPG

• Oscar

  2004 Audi A4 Avant DIESEL L4 Automatic 5 Wagon (4 Door)
  Added Sep 2014 • 5 Fuel-ups

  Property of beno70

• 33.7 Avg MPG

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