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Audi A4 / S4 / RS4 vs. Infiniti G Reliability Comparisons

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

These stats are promptly updated four times a year, to much more closely track Audi A4 / S4 / RS4 and Infiniti G reliability as the cars age. Others tell you how reliable the Audi A4 / S4 / RS4 and the Infiniti G 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 Audi A4 / S4 / RS4 and the Infiniti G have been recently.

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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
see reported repairs

 

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 Infiniti G 28 Gs, 9.5 months of data per G, average 14500 miles18
20% Fewest Trips Most Trips
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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 Infiniti G 60 Gs, 9.8 months of data per G, average 26400 miles16
10% 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
see reported repairs
2010 Infiniti G 51 Gs, 9.0 months of data per G, average 40200 miles26
20% Fewest Trips Most Trips
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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
see reported repairs
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 Infiniti G 66 Gs, 9.9 months of data per G, average 44000 miles18
0% 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 Infiniti G 91 Gs, 10.0 months of data per G, average 64200 miles

Coupe redesigned for this model year.
21
0% 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 Infiniti G sedan 47 G sedans, 9.0 months of data per G sedan, average 75600 miles

Sedan redesigned for this model year.
23
0% Fewest Trips Most Trips
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2007 Infiniti G coupe   11 G coupes, 9.5 months of data per G coupe, average 56900 miles

* Very small sample size.
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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 Infiniti G 57 Gs, 10.4 months of data per G, average 79600 miles56
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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2005 Infiniti G 35 Gs, 9.5 months of data per G, average 73400 miles58
40% 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 Infiniti G 49 Gs, 9.4 months of data per G, average 94200 miles67
40% 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 Infiniti G 46 Gs, 8.9 months of data per G, average 100700 miles38
0% 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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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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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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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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* Very small sample size.
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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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What People Are Saying about Reliability and the Audi A4 / S4 / RS4

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

Reliability and Durability of the Audi A4 / S4 / RS4: Pros
YearBody/PowertrainComment
2010 4dr Wagon turbocharged 211hp 2.0L I4
6-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 turbocharged 200hp 2.0L I4
6-speed manual AWD
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 turbocharged 200hp 2.0L I4
6-speed shiftable automatic AWD
Like that I can drive an Audi for 6+ years/100k+ miles and still feel safe.
2006 4dr Sedan 255-horsepower 3.1L V6
6-speed manual AWD
So far, perfect
2005 2dr Convertible 220-horsepower 3.0L V6
5-speed shiftable automatic AWD
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
5-speed manual AWD
120k miles + and counting, no major issues
Reliability and Durability of the Audi A4 / S4 / RS4: Cons
YearBody/PowertrainComment
2010 4dr Sedan turbocharged 211hp 2.0L I4
6-speed shiftable automatic AWD
Very expensive to fix and not with the same history of reliability as Benz.
2007 4dr Sedan turbocharged 200hp 2.0L I4
6-speed shiftable automatic 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 turbocharged 200hp 2.0L I4
6-speed shiftable automatic AWD
Not reliable, lots of dealer visits,
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!
2005 4dr Sedan turbocharged 170hp 1.8L I4
5-speed shiftable automatic AWD
In the shop 10 times during last seven months. Towed 4 times because not drivable
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.
2004 4dr Sedan turbocharged 170hp 1.8L I4
5-speed shiftable automatic AWD
Reputation for mechanical problems and expensive repairs
2003 4dr Wagon turbocharged 170hp 1.8L I4
5-speed manual AWD
The car is not reliable - sensors, electrics, etc.
2002 4dr Sedan 220-horsepower 3.0L V6
6-speed manual AWD
Had to have many repairs before all the bugs worked out - now seems reliable (knock on wood)
2002 4dr Sedan turbocharged 250hp 2.7L V6
6-speed manual AWD
The high tech nature of these cars requires somewhat more attention to maintenance.

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What Our Members Are Saying about Infiniti G Reliability and Durability

None of our members have yet commented on the reliability and durability of the Infiniti G.

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