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BMW 3-Series vs. Audi A4 / S4 / RS4 Reliability Comparisons

You won't find BMW 3-Series or Audi A4 / S4 / RS4 reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the BMW 3-Series and the Audi A4 / S4 / RS4 truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track BMW 3-Series and Audi A4 / S4 / RS4 reliability as the cars age. Others tell you how reliable the BMW 3-Series and the Audi A4 / S4 / RS4 were a year ago, when the cars were a year younger and had 12,000 fewer miles on them. Only TrueDelta tells you how reliable the BMW 3-Series and the Audi A4 / S4 / RS4 have been recently.

Take the TrueDelta survey on your car and get free access to all of the data on this page. Click here to get started!
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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2013 Audi A4 / S4 86 A4 / S4s, 8.5 months of data per A4 / S4, average 7800 miles

Refreshed for this model year.
21
20% Fewest Trips Most Trips
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2013 BMW 3-Series 4dr 65 3-Series 4drs, 8.6 months of data per 3-Series 4dr, average 7800 miles21
20% Fewest Trips Most Trips
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2012 Audi A4 40 A4s, 8.7 months of data per A4, average 19100 miles10
0% Fewest Trips Most Trips
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2012 Audi S4 33 S4s, 8.6 months of data per S4, average 19700 miles42
60% Fewest Trips Most Trips
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2012 BMW 3-Series 2dr   17 3-Series 2drs, 9.8 months of data per 3-Series 2dr, average 12200 miles

* Small sample size.
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* Small sample size.
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2012 BMW 3-Series 4dr   24 3-Series 4drs, 9.4 months of data per 3-Series 4dr, average 14500 miles

* Small sample size.
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2011 Audi S4 38 S4s, 10.3 months of data per S4, average 30100 miles31
30% Fewest Trips Most Trips
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2011 Audi A4 53 A4s, 10.0 months of data per A4, average 29500 miles32
30% Fewest Trips Most Trips
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2011 BMW M3   18 M3s, 9.6 months of data per M3, average 23900 miles

* Small sample size.
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* Small sample size.
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2011 BMW 335 33 335s, 8.4 months of data per 335, average 26400 miles

Average odometer reading much lower for the M3.
30
30% Fewest Trips Most Trips
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2011 BMW 328 92 328s, 8.8 months of data per 328, average 27700 miles

Average odometer reading much lower for the M3.
33
40% Fewest Trips Most Trips
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2010 Audi S4 52 S4s, 9.6 months of data per S4, average 38200 miles

Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
48
50% Fewest Trips Most Trips
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2010 Audi A4 48 A4s, 9.2 months of data per A4, average 43800 miles

Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
52
60% Fewest Trips Most Trips
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2010 BMW 328 33 328s, 8.2 months of data per 328, average 41800 miles57
70% Fewest Trips Most Trips
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2010 BMW 335   11 335s, 8.3 months of data per 335, average 33500 miles

* Very small sample size.
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2009 Audi A4 3.2 26 A4 3.2s, 10.3 months of data per A4 3.2, average 41900 miles

First model year of the B8 A4. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
49
50% Fewest Trips Most Trips
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2009 Audi A4 2.0T 53 A4 2.0Ts, 9.2 months of data per A4 2.0T, average 51400 miles

First model year of the B8 A4. Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
57
60% Fewest Trips Most Trips
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2009 BMW M3   15 M3s, 10.3 months of data per M3, average 32600 miles

* Small sample size.
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2009 BMW 328 49 328s, 9.8 months of data per 328, average 42900 miles

Average odometer reading much lower for the M3. 335i might have a common problem with the fuel injectors.
55
60% Fewest Trips Most Trips
see reported repairs
2009 BMW 335 27 335s, 9.7 months of data per 335, average 45200 miles

Average odometer reading much lower for the M3. 335i might have a common problem with the fuel injectors.
64
70% Fewest Trips Most Trips
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2008 Audi A4 38 A4s, 10.2 months of data per A4, average 57500 miles56
50% Fewest Trips Most Trips
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2008 Audi S4 / RS4   11 S4 / RS4s, 9.4 months of data per S4 / RS4, average 54300 miles

* Very small sample size.
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2008 BMW M3 29 M3s, 9.4 months of data per M3, average 34600 miles

Average odometer reading much lower for the M3.
31
20% Fewest Trips Most Trips
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2008 BMW 335 53 335s, 9.0 months of data per 335, average 53900 miles

Average odometer reading much lower for the M3.
66
60% Fewest Trips Most Trips
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2008 BMW 328 48 328s, 8.9 months of data per 328, average 58900 miles

Average odometer reading much lower for the M3.
71
70% Fewest Trips Most Trips
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2007 Audi A4 46 A4s, 10.1 months of data per A4, average 66200 miles65
50% Fewest Trips Most Trips
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2007 Audi S4 / RS4   22 S4 / RS4s, 10.4 months of data per S4 / RS4, average 57000 miles

* Small sample size.
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2007 BMW 335 60 335s, 9.0 months of data per 335, average 65200 miles67
60% Fewest Trips Most Trips
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2007 BMW 328 61 328s, 9.6 months of data per 328, average 67900 miles78
70% Fewest Trips Most Trips
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2006 Audi S4   19 S4s, 8.6 months of data per S4, average 69900 miles

* Small sample size.
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2006 Audi A4 67 A4s, 9.5 months of data per A4, average 88600 miles

Includes 2005.5. First model year of the B7 A4.
86
70% Fewest Trips Most Trips
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2006 BMW 3-Series 2dr   19 3-Series 2drs, 9.6 months of data per 3-Series 2dr, average 62500 miles

* Small sample size.
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2006 BMW 3-Series 4dr 88 3-Series 4drs, 8.7 months of data per 3-Series 4dr, average 82200 miles

First year for the E90 4-door.
57
40% Fewest Trips Most Trips
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2005 Audi S4   20 S4s, 9.3 months of data per S4, average 74100 miles

* Small sample size.
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2005 Audi A4   19 A4s, 8.7 months of data per A4, average 87200 miles

* Small sample size.
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* Small sample size.
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2005 BMW M3   13 M3s, 10.0 months of data per M3, average 65400 miles

* Very small sample size.
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2005 BMW 3-Series 36 3-Series, 8.8 months of data per 3-Series, average 91800 miles

Average odometer reading much lower for the M3.
87
70% Fewest Trips Most Trips
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2004 Audi A4 26 A4s, 9.7 months of data per A4, average 105800 miles67
40% Fewest Trips Most Trips
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2004 Audi S4 27 S4s, 9.1 months of data per S4, average 88800 miles122
100% Fewest Trips Most Trips
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2004 BMW M3   16 M3s, 10.6 months of data per M3, average 81700 miles

* Small sample size.
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2004 BMW 3-Series 55 3-Series, 9.5 months of data per 3-Series, average 101600 miles

Average odometer reading much lower for the M3.
108
90% Fewest Trips Most Trips
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2003 Audi A4 28 A4s, 8.0 months of data per A4, average 125900 miles70
30% Fewest Trips Most Trips
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2003 BMW M3   13 M3s, 7.3 months of data per M3, average 75600 miles

* Very small sample size.
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2003 BMW 3-Series 36 3-Series, 9.3 months of data per 3-Series, average 98300 miles

Average odometer reading much lower for the M3.
108
80% Fewest Trips Most Trips
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2002 Audi S4   10 S4s, 9.2 months of data per S4, average 92000 miles

* Very small sample size.
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* Very small sample size.
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2002 Audi A4 36 A4s, 9.6 months of data per A4, average 139500 miles

First model year of the B6 A4.
133
100% Fewest Trips Most Trips
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2002 BMW M3   11 M3s, 9.7 months of data per M3, average 79200 miles

* Very small sample size.
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2002 BMW 3-Series 39 3-Series, 8.8 months of data per 3-Series, average 113900 miles

Average odometer reading much lower for the M3.
133
100% Fewest Trips Most Trips
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2001 Audi A4 / S4   17 A4 / S4s, 7.0 months of data per A4 / S4, average 137000 miles

* Small sample size.
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2001 BMW 3-Series 44 3-Series, 9.5 months of data per 3-Series, average 128100 miles95
50% Fewest Trips Most Trips
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2000 Audi A4 / S4   13 A4 / S4s, 9.5 months of data per A4 / S4, average 144500 miles

* Very small sample size.
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2000 BMW 3-Series 34 3-Series, 7.6 months of data per 3-Series, average 140500 miles102
60% Fewest Trips Most Trips
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1999 Audi A4 / S4   15 A4 / S4s, 5.9 months of data per A4 / S4, average 149500 miles

* Small sample size.
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* Small sample size.
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1999 BMW 3-Series - E46   10 3-Series - E46s, 11.2 months of data per 3-Series - E46, average 162000 miles

* Very small sample size.
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* Very small sample size.
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1998 BMW 3-Series / M3   12 3-Series / M3s, 5.4 months of data per 3-Series / M3, average 136900 miles

* Very small sample size.
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What People Are Saying about Reliability and the BMW 3-Series

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What Our Members Are Saying about BMW 3-Series Reliability and Durability

Reliability and Durability of the BMW 3-Series: Pros
YearBody/PowertrainComment
2012 4dr Sedan turbocharged 240hp 2.0L I4
8-speed shiftable automatic RWD
I traded in a 2005 BMW with 92,000 miles on it, if the realiability of the old one is any indication to the experience I hope to have with the 2012, then I have little to nothing to worry about.
2008 2dr Hardtop conv. turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Have owned this car for 5 years; have had two replacement high pressure fuel pumps; replaced steering rack; new turbo gaskets (both turbos); replaced articulating hard top cables - all in the first 3 years and all under warranty! Nothing has gone wrong in the past two years so perhaps this was relatively new model growing pains.
2008 2dr Coupe turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
Historically, reliable
2008 2dr Coupe 414-horsepower 4.0L V8
7-speed automated manual RWD
Not yet tested to a full extent on my M3 under review, bust as previous BMW owner I enjoyed minimal component failures after many years of ownership.
2008 4dr Sedan 230-horsepower 3.0L I6
6-speed manual RWD
The car has a BETTER THAN AVERAGE frequency of repair record with Consumer Reports.
2008 2dr Coupe 230-horsepower 3.0L I6
6-speed shiftable automatic AWD
History is promising.
2008 2dr Hardtop conv. turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Have owned this car for 5 years; have had two replacement high pressure fuel pumps; replaced steering rack; new turbo gaskets (both turbos); replaced articulating hard top cables - all in the first 3 years and all under warranty! Nothing has gone wrong in the past two years so perhaps this was relatively new model growing pains.
2007 4dr Sedan 230-horsepower 3.0L I6
6-speed shiftable automatic RWD
The car is now one year old with 12,000 miles and there have been no issues what so ever - whether mechanical or interior/exterior. Never any issue with things working as they should.
2007 4dr Sedan 230-horsepower 3.0L I6
6-speed shiftable automatic RWD
No problems after 3 years
2007 4dr Sedan turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Been superb to date
Reliability and Durability of the BMW 3-Series: Cons
YearBody/PowertrainComment
2011 2dr Hardtop conv. 230-horsepower 3.0L I6
6-speed shiftable automatic RWD
Glovebox won't open.
2010 4dr Sedan 230-horsepower 3.0L I6
6-speed shiftable automatic AWD
I'm a little nervous about repair costs and frequency. I keep reading about 4-figure repair bills, but there are others who say they've done well with just normal maintenance. Consumer Reports gives the 2010 328i a lot of red dots which is a goo
2009 4dr Sedan 414-horsepower 4.0L V8
6-speed manual RWD
More prone to breakdowns than the Japanese competition.
2009 2dr Coupe turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Fuel pump, oil cooler, and run flat tire issues on the 335i turned me off. Will likely be covered by warranty, but met multiple people who had week long+ repairs for these issues. After warranty, 1,200+ for each of these issues is apparently common.
2009 4dr Sedan turbocharged 265hp 3.0L I6 Diesel
6-speed shiftable automatic RWD
Always a glitch or two.
2008 4dr Sedan turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Does not require explanation.
2008 2dr Coupe 230-horsepower 3.0L I6
6-speed shiftable automatic AWD
Historically, these cars have had their share of electronic gremlins.
2008 4dr Wagon 230-horsepower 3.0L I6
6-speed shiftable automatic RWD
Poorer reputation than Lexus based on internet research. Stock run flat tires have short life and rough ride. Lack of spare limits options
2008 2dr Hardtop conv. turbocharged 300hp 3.0L I6
6-speed shiftable automatic RWD
Possibly expensive repair track record when 4-year warranty end
2008 4dr Wagon 230-horsepower 3.0L I6
6-speed shiftable automatic AWD
Average is not good enough for a $40K+ car.

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What Our Members Are Saying about Audi A4 / S4 / RS4 Reliability and Durability

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