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Chevrolet Corvette vs. Porsche 911 Reliability Comparisons

You won't find Chevrolet Corvette or Porsche 911 reliability information like this anywhere else. Actual repair frequencies, not just vague dots, to make it clear how much the Chevrolet Corvette and the Porsche 911 truly differ in reliability.

These stats are promptly updated four times a year, to much more closely track Chevrolet Corvette and Porsche 911 reliability as the cars age. Others tell you how reliable the Chevrolet Corvette and the Porsche 911 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 Chevrolet Corvette and the Porsche 911 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!
Members can see an exclusive preview of our most recent results.
See reliability results for all Hatchbacks, Convertibles, and Coupes.

See only powertrain and chassis results

Year Make/Model Repair Frequencysuccessful repair trips per 100 cars per year Compared to all models for the same year  
2014 Chevrolet Corvette 30 Corvettes, 6.3 months of data per Corvette, average 3600 miles

Moderately high, but no repairs were reported for 26 of the 30 cars in the sample.
45
60% Fewest Trips Most Trips
see reported repairs

 

2009 Porsche 911   15 911s, 10.1 months of data per 911, average 28400 miles

* Small sample size.
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or 15 911s, 10.1 months of data per 911, average 28400 miles

* Small sample size.
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2008 Chevrolet Corvette 25 Corvettes, 10.2 months of data per Corvette, average 31700 miles

Like other sports cars, low average odometer reading.
9
0% Fewest Trips Most Trips
see reported repairs

 

2007 Chevrolet Corvette   22 Corvettes, 8.3 months of data per Corvette, average 32400 miles

* Small sample size.
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or 22 Corvettes, 8.3 months of data per Corvette, average 32400 miles

* Small sample size.
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2007 Porsche 911 25 911s, 9.5 months of data per 911, average 47700 miles

Like other sports cars, low average odometer reading.
35
10% Fewest Trips Most Trips
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2006 Chevrolet Corvette   20 Corvettes, 10.3 months of data per Corvette, average 36700 miles

* Small sample size.
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or 20 Corvettes, 10.3 months of data per Corvette, average 36700 miles

* Small sample size.
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2006 Porsche 911   11 911s, 10.5 months of data per 911, average 33000 miles

* Very small sample size.
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or 11 911s, 10.5 months of data per 911, average 33000 miles

* Very small sample size.
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2005 Chevrolet Corvette   16 Corvettes, 8.6 months of data per Corvette, average 42700 miles

* Small sample size.
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* Small sample size.
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2003 Porsche 911   13 911s, 8.8 months of data per 911, average 56700 miles

* Very small sample size.
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or 13 911s, 8.8 months of data per 911, average 56700 miles

* Very small sample size.
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2002 Chevrolet Corvette   12 Corvettes, 7.7 months of data per Corvette, average 51000 miles

* Very small sample size.
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or 12 Corvettes, 7.7 months of data per Corvette, average 51000 miles

* Very small sample size.
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2002 Porsche 911 26 911s, 9.2 months of data per 911, average 65100 miles

Like other sports cars, low average odometer reading.
70
20% Fewest Trips Most Trips
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2001 Chevrolet Corvette   11 Corvettes, 8.9 months of data per Corvette, average 53000 miles

* Very small sample size.
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or 11 Corvettes, 8.9 months of data per Corvette, average 53000 miles

* Very small sample size.
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2001 Porsche 911   11 911s, 8.0 months of data per 911, average 60600 miles

* Very small sample size.
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or 11 911s, 8.0 months of data per 911, average 60600 miles

* Very small sample size.
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What People Are Saying about Reliability and the Chevrolet Corvette

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What Our Members Are Saying about the Reliability and Durability of the Chevrolet Corvette

Chevrolet Corvette Reliability and Durability: Pros
YearBody/PowertrainComment
2007 2dr Hatch 400-horsepower 6.0L V8
6-speed shiftable automatic RWD
Worry free! For the entire time I owned the car all I ever had to do was change the oil. I had to sell her when I had my first child. Reliability and fuel economy are just not the same on this new vehicle. Man, do I miss that car!
2007 2dr Hatch 400-horsepower 6.0L V8
6-speed manual RWD
2 Years and only oil changes and greased fittings.
2005 2dr Convertible 400-horsepower 6.0L V8
4-speed automatic RWD
Absolutely trouble free, no noises or squeaks.
2005 2dr Convertible 400-horsepower 6.0L V8
4-speed automatic RWD
Not a single problem in 25K miles so far.
2004 2dr Coupe 405-horsepower 5.7L V8
6-speed manual RWD
Fantastic. The LS series engine is a marvel of low tech reliable engineering, light weight, reliable and fuel efficient. Other systems have been very reliable as well. Parts are cheap and readily attainable.
2003 2dr Coupe 405-horsepower 5.7L V8
6-speed manual RWD
Chevy 350 small block - classic, tested engine design and basically bullet proof
Chevrolet Corvette Reliability and Durability: Cons
YearBody/PowertrainComment
2005 2dr Convertible 400-horsepower 6.0L V8
4-speed automatic RWD
* Problems developed at 29K. Struts bad, plus wheel lock-up issue. * Traded it in on a used 2011.
 

What Our Members Are Saying about the Reliability and Durability of the Porsche 911

Porsche 911 Reliability and Durability: Pros
YearBody/PowertrainComment
2002 2dr Coupe turbocharged 415hp 3.6L H6
6-speed manual AWD
Porsches are built to last, this car just feels solid - the interior especially
2001 2dr Coupe turbocharged 415hp 3.6L H6
5-speed shiftable automatic AWD
only fixed a gearbox undertray gasket, sway bar end links and regular service over 2.5 yrs.