CarCostCheck

Porsche Unclassified

Reliability, running costs, and MOT data across 4 years from 185 real MOT tests.

Avg Pass Rate

96%

Total Tests

185

Best Year

2016 (100%)

Years Covered

4

How reliable is the Porsche Unclassified?

vs national average+14% (82% avg)
vs Porsche brand average+4% (92% avg)
Best to worst year spread8 percentage points

Porsche Unclassified by Year

YearPass RateTestsAvg Mileage
2016100%3238,932 mi
201598%4643,596 mi
200593%4690,349 mi
199992%6181,375 mi

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About the Porsche Unclassified

The Porsche Unclassified has been tested 185 times in 2024 MOT data across 4 model years (1999 to 2016), with an average pass rate of 96%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol and diesel.

Best and Worst Years

The 2016 model is the most reliable with a 100% pass rate from 32 tests. The 1999 model has the lowest at 92%. The 8 point spread between years means reliability varies somewhat, but no year is dramatically different.

Mileage Across Years

The oldest model in our data (1999) averages 81,375 miles, while the newest (2016) averages 38,932 miles.

Compared to the Porsche brand average of 92%, the Unclassified performs 4 points better, making it one of the more reliable options in the Porsche range.

Click any year in the table above to see detailed running costs, individual reliability data, and comparisons with similar cars.