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Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2015 Audi A4 / S4   22 A4 / S4s, 5.5 months of data per A4 / S4, average 5400 miles

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2015 BMW 3-Series / M3 48 3-Series / M3s, 5.4 months of data per 3-Series / M3, average 4600 miles

Includes 4-Series.
28
30% 30% Fewest Trips Most Trips
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2014 Audi A4 / S4 55 A4 / S4s, 9.2 months of data per A4 / S4, average 9500 miles14
10% 10% Fewest Trips Most Trips
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2014 BMW 3-Series 89 3-Series, 9.1 months of data per 3-Series, average 11300 miles

Includes 4-Series.
34
40% 40% Fewest Trips Most Trips
see reported repairs

 

2013 Audi A4 / S4 104 A4 / S4s, 9.0 months of data per A4 / S4, average 21600 miles

Refreshed for this model year.
15
10% 10% Fewest Trips Most Trips
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2013 BMW 3-Series 4dr 73 3-Series 4drs, 9.2 months of data per 3-Series 4dr, average 21600 miles23
20% 20% Fewest Trips Most Trips
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2013 BMW 3-Series 2dr   12 3-Series 2drs, 10.3 months of data per 3-Series 2dr, average 15400 miles

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2012 Audi A4 33 A4s, 9.2 months of data per A4, average 39200 miles36
40% 40% Fewest Trips Most Trips
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2012 Audi S4 49 S4s, 9.7 months of data per S4, average 34200 miles60
70% 70% Fewest Trips Most Trips
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2012 BMW 3-Series 2dr and wagon   21 3-Series 2dr and wagons, 8.7 months of data per 3-Series 2dr and wagon, average 30200 miles

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2012 BMW 3-Series sedan 27 3-Series sedans, 8.6 months of data per 3-Series sedan, average 29100 miles

First year for F30 3-Series sedan.
47
50% 50% Fewest Trips Most Trips
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2011 Audi S4 49 S4s, 9.9 months of data per S4, average 47500 miles

The repair frequency for the 2010 peaked at the same level a year ago, but has improved since. Could be an end-of-warranty blip.
54
60% 60% Fewest Trips Most Trips
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2011 Audi A4 42 A4s, 10.1 months of data per A4, average 49900 miles

The repair frequency for the 2010 peaked at the same level a year ago, but has improved since. Could be an end-of-warranty blip.
54
60% 60% Fewest Trips Most Trips
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2011 BMW M3   23 M3s, 10.2 months of data per M3, average 40100 miles

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2011 BMW 328 106 328s, 8.8 months of data per 328, average 41600 miles

Average odometer reading much lower for the M3.
59
60% 60% Fewest Trips Most Trips
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2011 BMW 335 45 335s, 8.1 months of data per 335, average 41600 miles

Average odometer reading much lower for the M3.
60
60% 60% Fewest Trips Most Trips
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2010 Audi A4 34 A4s, 8.5 months of data per A4, average 57800 miles

Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
46
40% 40% Fewest Trips Most Trips
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2010 Audi S4 54 S4s, 9.9 months of data per S4, average 55300 miles

Multiple reports of excessive oil consumption for the 2.0T engine. Some engines rebuilt with updated valves and piston rings.
54
50% 50% Fewest Trips Most Trips
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2010 BMW 328 28 328s, 8.5 months of data per 328, average 53200 miles60
50% 50% Fewest Trips Most Trips
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2010 BMW 335   14 335s, 9.4 months of data per 335, average 53000 miles

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2009 Audi A4 3.2 37 A4 3.2s, 8.4 months of data per A4 3.2, average 59700 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.
46
30% 30% Fewest Trips Most Trips
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2009 Audi A4 2.0T 44 A4 2.0Ts, 8.7 months of data per A4 2.0T, average 62500 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.
69
60% 60% Fewest Trips Most Trips
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2009 BMW 328 52 328s, 8.9 months of data per 328, average 59200 miles

Average odometer reading much lower for the M3.
44
30% 30% Fewest Trips Most Trips
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2009 BMW 335 25 335s, 10.4 months of data per 335, average 53700 miles

Average odometer reading much lower for the M3.
51
40% 40% Fewest Trips Most Trips
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2009 BMW M3   12 M3s, 8.3 months of data per M3, average 38200 miles

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2008 Audi A4 39 A4s, 10.0 months of data per A4, average 76700 miles58
40% 40% Fewest Trips Most Trips
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2008 Audi S4 / RS4   10 S4 / RS4s, 10.2 months of data per S4 / RS4, average 61000 miles

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2008 BMW 335 46 335s, 8.5 months of data per 335, average 68000 miles

Average odometer reading much lower for the M3. Non-M repair frequency spiking, possibly because CPO warranty ending.
61
40% 40% Fewest Trips Most Trips
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2008 BMW M3 30 M3s, 9.2 months of data per M3, average 48400 miles

Average odometer reading much lower for the M3. Non-M repair frequency spiking, possibly because CPO warranty ending.
69
50% 50% Fewest Trips Most Trips
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2008 BMW 328 36 328s, 8.0 months of data per 328, average 72000 miles

Average odometer reading much lower for the M3. Non-M repair frequency spiking, possibly because CPO warranty ending.
84
70% 70% Fewest Trips Most Trips
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2007 Audi A4 44 A4s, 8.4 months of data per A4, average 84000 miles72
50% 50% Fewest Trips Most Trips
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2007 Audi S4 / RS4   19 S4 / RS4s, 9.6 months of data per S4 / RS4, average 67600 miles

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2007 BMW 328 63 328s, 8.6 months of data per 328, average 81800 miles73
50% 50% Fewest Trips Most Trips
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2007 BMW 335 51 335s, 9.2 months of data per 335, average 78900 miles103
90% 90% Fewest Trips Most Trips
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2006 Audi S4   15 S4s, 7.9 months of data per S4, average 86900 miles

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2006 Audi A4 66 A4s, 8.9 months of data per A4, average 105000 miles

Includes 2005.5. First model year of the B7 A4.
84
60% 60% Fewest Trips Most Trips
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2006 BMW 3-Series 2dr   21 3-Series 2drs, 10.6 months of data per 3-Series 2dr, average 71000 miles

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2006 BMW 3-Series 4dr 68 3-Series 4drs, 8.5 months of data per 3-Series 4dr, average 95000 miles

First year for the E90 4-door.
68
40% 40% Fewest Trips Most Trips
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2005 Audi S4   19 S4s, 9.6 months of data per S4, average 84700 miles

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2005 Audi A4   15 A4s, 8.3 months of data per A4, average 104400 miles

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2005 BMW M3   15 M3s, 9.6 months of data per M3, average 69800 miles

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2005 BMW 3-Series 28 3-Series, 8.8 months of data per 3-Series, average 94400 miles

Average odometer reading much lower for the M3.
68
30% 30% Fewest Trips Most Trips
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2004 Audi S4   18 S4s, 8.3 months of data per S4, average 92600 miles

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2004 Audi A4   22 A4s, 9.5 months of data per A4, average 120100 miles

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2004 BMW M3   14 M3s, 9.5 months of data per M3, average 97300 miles

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2004 BMW 3-Series 61 3-Series, 8.7 months of data per 3-Series, average 109800 miles

Average odometer reading much lower for the M3.
90
50% 50% Fewest Trips Most Trips
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2003 Audi A4   24 A4s, 8.7 months of data per A4, average 139200 miles

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2003 BMW M3   11 M3s, 10.1 months of data per M3, average 96500 miles

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2003 BMW 3-Series 35 3-Series, 9.5 months of data per 3-Series, average 109900 miles

Average odometer reading much lower for the M3.
90
40% 40% Fewest Trips Most Trips
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2002 Audi A4 28 A4s, 9.5 months of data per A4, average 148700 miles

First model year of the B6 A4, very high repair frequency. S4 still B5.
122
80% 80% Fewest Trips Most Trips
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2002 BMW M3   11 M3s, 10.3 months of data per M3, average 106300 miles

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2002 BMW 3-Series 41 3-Series, 7.8 months of data per 3-Series, average 124000 miles

Average odometer reading much lower for the M3.
108
60% 60% Fewest Trips Most Trips
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2001 Audi A4 / S4   16 A4 / S4s, 6.9 months of data per A4 / S4, average 124200 miles

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2001 BMW 3-Series 39 3-Series, 8.2 months of data per 3-Series, average 141500 miles102
60% 60% Fewest Trips Most Trips
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2000 Audi A4 / S4   10 A4 / S4s, 9.2 months of data per A4 / S4, average 152400 miles

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2000 BMW 3-Series 28 3-Series, 8.8 months of data per 3-Series, average 136900 miles88
40% 40% Fewest Trips Most Trips
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See reliability results for all Sedans, Wagons, and Convertibles.
See reliability results for all BMW and Audi vehicles.

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.

What People Are Saying about Reliability and the BMW 3-Series

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

BMW 3-Series Reliability and Durability: 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.
2009 0 My car has been very reliable. I got a cerfited pre owned so all things a free at dealer. If you are buying one, then get a cpo one. well worth it.
2009 0 My car has been very reliable. I got a cerfited pre owned so all things a free at dealer. If you are buying one, then get a cpo one. well worth it.
2008 4dr Sedan turbocharged 240hp 2.0L I4
6-speed manual RWD
The car has a BETTER THAN AVERAGE frequency of repair record with Consumer Reports.
2008 2dr Coupe turbocharged 425hp 3.0L I6
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 2dr Coupe turbocharged 300hp 3.0L I6
6-speed manual RWD
History is promising.
2008 2dr Coupe turbocharged 300hp 3.0L I6
8-speed shiftable automatic RWD
Historically, reliable
2008 2dr Hardtop conv. turbocharged 240hp 2.0L I4
8-speed shiftable automatic AWD
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 Hardtop conv. turbocharged 240hp 2.0L I4
8-speed shiftable automatic AWD
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 turbocharged 240hp 2.0L I4
8-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.
BMW 3-Series Reliability and Durability: Cons
YearBody/PowertrainComment
2011 2dr Hardtop conv. turbocharged 240hp 2.0L I4
8-speed shiftable automatic RWD
Glovebox won't open.
2010 4dr Sedan turbocharged 300hp 3.0L I6
6-speed manual RWD
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
2010 4dr Sedan turbocharged 300hp 3.0L I6
6-speed manual RWD
Small things keep breaking or failing. The engine and drivetrain are solid though.
2009 4dr Sedan turbocharged 255hp 3.0L I6 Diesel
8-speed shiftable automatic RWD
Always a glitch or two.
2009 2dr Coupe turbocharged 240hp 2.0L I4
8-speed shiftable automatic AWD
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 425hp 3.0L I6
6-speed manual RWD
More prone to breakdowns than the Japanese competition.
2008 4dr Wagon turbocharged 240hp 2.0L I4
8-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 Coupe turbocharged 425hp 3.0L I6
6-speed manual RWD
I have never had major problems with my BMW's, but I have never kept them out of warranty either. M cars are ridiculously expensive to repair. The only car company where the coolant is designed to outlast the radiator. When they break, they brea
2008 2dr Hardtop conv. turbocharged 240hp 2.0L I4
8-speed shiftable automatic AWD
Possibly expensive repair track record when 4-year warranty end
2008 4dr Sedan turbocharged 240hp 2.0L I4
8-speed shiftable automatic AWD
Does not require explanation.
 

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

Audi A4 / S4 / RS4 Reliability and Durability: Pros
YearBody/PowertrainComment
2010 4dr Wagon turbocharged 220hp 2.0L I4
8-speed shiftable automatic AWD
65,000 miles and not a single problem other than routine oil changes and tires. My BMW 335i is always in the shop and is a maintenance nightmare.
2006 4dr Sedan This car is bullet-proof. End of story. The B7 A4 is the evolution of B6/B7 platform and most of the kinks are ironed out in the final years. No worries here.
2006 4dr Sedan So far, perfect
2006 4dr Sedan turbocharged 225hp 2.0L I4
6-speed manual AWD
Like that I can drive an Audi for 6+ years/100k+ miles and still feel safe.
2006 4dr Sedan turbocharged 225hp 2.0L I4
6-speed manual AWD
Dont walk; Run from any 4 cylinder Audi. There are many better alternatives. The engine block is solid; Everything attached to it is waiting to fail, usually with collateral damage. 5,000 USD has been spent over years 2013-2015 for service with a Audi/VW ASE INDI shop charging conservativly (due to the frequency I was forced to visit). Many interior trim pieces, while soft to the touch, are begining to seperate and fail. Sunroof rattles all the time. Power seats worked in some directions. Handy under storage seat bins were a nice addition. Timing belt service requies removal on the entire front clip, headlamps, crash bar, radiator, etc. The 2.0 also employs a timing chain on the rear of the engine driven by the exhaust camshaft (itself driven by the timing belt), which drives the intake camshaft and houses a variable valve timing unit. The chain and tensioner assy. are prone to failure after 110k and should be replaced along with the high pressure pump's cam follower. This 15-20$ follower is the achilees tendon of the entire cam-tower & pistons, I've seen the black protective coating worn away within 5k miles on my car. After the black surface coating is worn away, the cam lob begins shave the metal surface of the cam follower, dropping the metal shards into the oil flow. Fuel also mixes with the oil commonly at this pump due to seal failure inside the pump housing. Oil change intervals should not exceed 5k miles for this engine. Evap emissions system is effectively useless as the manufactorer has shipped/contiues to ship known sub-par components (leak-check pump & assy.), which causes intermittent MIL warnings and continued, pending OBD codes.Eventually, after 10-15k miles the vacuum's check control pump fails completely and requires replacement or a constant check engine lamp and lowered MPG's/hp. The faulty system will not pass an emissions inspection until replaced with a new, less broken unit from the dealer.
2005 2dr Convertible so far so good, but I have only had the car less than a month, too soon to tell
2002 4dr Sedan turbocharged 170hp 1.8L I4
6-speed manual AWD
120k miles + and counting, no major issues
Audi A4 / S4 / RS4 Reliability and Durability: Cons
YearBody/PowertrainComment
2012 4dr Sedan supercharged 333hp 3.0L V6
7-speed automated manual AWD
Thermostat failed at 36,000 miles. Appears to be a common issue based on what I've read.
2010 4dr Sedan turbocharged 220hp 2.0L I4
8-speed shiftable automatic AWD
Very expensive to fix and not with the same history of reliability as Benz.
2007 4dr Sedan turbocharged 225hp 2.0L I4
6-speed manual AWD
My second A4 is better than the last, but I am glad I leased instead of buying. Reliability is just not world class.
2006 4dr Sedan 340-horsepower 4.2L V8
6-speed manual AWD
Do not buy one of these used unless the timing chain pre-tensioners have been replaced. There are a lot of complaints of these breaking at 100,000 miles. Mine went at 99,100 miles and the dealer quoted me $10,000 to fix. I had to sell this car at a loss. What a waste!
2006 4dr Sedan turbocharged 225hp 2.0L I4
6-speed manual AWD
Expensive to maintain, constant repairs. 2500$ service bill (excluding oil changes) avg. per year to keep road-worthy.
2006 4dr Sedan turbocharged 225hp 2.0L I4
6-speed manual AWD
Not reliable, lots of dealer visits,
2005 4dr Sedan 340-horsepower 4.2L V8
6-speed manual AWD
The two cars I looked at were low mileage 2005s, CPO, and both had full service history, of which there was a lot. Both cars noted cooling issues and problems with the steering system repaired under warranty. Also numerous electrical problems.
2005 4dr Sedan In the shop 10 times during last seven months. Towed 4 times because not drivable
2004 4dr Sedan Reputation for mechanical problems and expensive repairs
2003 4dr Wagon turbocharged 170hp 1.8L I4
6-speed manual AWD
The car is not reliable - sensors, electrics, etc.