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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 Chevrolet Corvette   21 Corvettes, 5.2 months of data per Corvette, average 2400 miles

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or 21 Corvettes, 5.2 months of data per Corvette, average 2400 miles

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2014 Chevrolet Corvette 39 Corvettes, 9.3 months of data per Corvette, average 5900 miles

Redesigned. Moderately high, but no repairs were reported for 32 of the 39 cars in the sample. Like other sports cars, low average odometer.
46
60% 60% Fewest Trips Most Trips
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2009 Porsche 911   15 911s, 8.7 months of data per 911, average 32700 miles

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2008 Chevrolet Corvette 30 Corvettes, 8.8 months of data per Corvette, average 34500 miles

Like other sports cars, low average odometer reading.
27
10% 10% Fewest Trips Most Trips
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2007 Chevrolet Corvette   23 Corvettes, 7.9 months of data per Corvette, average 37100 miles

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2007 Porsche 911 28 911s, 8.3 months of data per 911, average 46800 miles

Like other sports cars, low average odometer reading.
62
40% 40% Fewest Trips Most Trips
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2006 Chevrolet Corvette   19 Corvettes, 9.8 months of data per Corvette, average 43000 miles

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2006 Porsche 911   14 911s, 7.6 months of data per 911, average 32500 miles

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2005 Chevrolet Corvette   12 Corvettes, 10.3 months of data per Corvette, average 43900 miles

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2004 Porsche 911   16 911s, 8.7 months of data per 911, average 47000 miles

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2003 Porsche 911   13 911s, 9.0 months of data per 911, average 56400 miles

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2002 Chevrolet Corvette   11 Corvettes, 8.6 months of data per Corvette, average 56000 miles

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2002 Porsche 911 25 911s, 8.9 months of data per 911, average 63100 miles

Like other sports cars, low average odometer reading.
81
30% 30% Fewest Trips Most Trips
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2001 Chevrolet Corvette   11 Corvettes, 9.7 months of data per Corvette, average 63500 miles

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2001 Porsche 911   13 911s, 8.2 months of data per 911, average 63800 miles

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2000 Porsche 911   11 911s, 8.0 months of data per 911, average 94400 miles

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See reliability results for all Hatchbacks, Convertibles, and Coupes.
See reliability results for all Chevrolet and Porsche vehicles.

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.

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 455-horsepower 6.2L V8
8-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 455-horsepower 6.2L V8
7-speed manual RWD
2 Years and only oil changes and greased fittings.
2005 2dr Convertible 455-horsepower 6.2L V8
8-speed shiftable automatic RWD
Absolutely trouble free, no noises or squeaks.
2005 2dr Convertible 455-horsepower 6.2L V8
8-speed shiftable automatic RWD
Not a single problem in 25K miles so far.
2004 2dr Coupe supercharged 650hp 6.2L V8
8-speed shiftable automatic 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 supercharged 650hp 6.2L V8
8-speed shiftable automatic RWD
Chevy 350 small block - classic, tested engine design and basically bullet proof
Chevrolet Corvette Reliability and Durability: Cons
YearBody/PowertrainComment
2005 2dr Convertible 455-horsepower 6.2L V8
8-speed shiftable 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 430-horsepower 3.8L H6
7-speed manual AWD
Porsches are built to last, this car just feels solid - the interior especially
2001 2dr Coupe 430-horsepower 3.8L H6
7-speed automated manual AWD
only fixed a gearbox undertray gasket, sway bar end links and regular service over 2.5 yrs.