Porsche 911 carrera s
Reliability, running costs, and MOT data across 2 years from 375 real MOT tests.
Avg Pass Rate
98%
Total Tests
375
Best Year
2021 (98%)
Years Covered
2
About the Porsche 911 carrera s
The Porsche 911 carrera s has been tested 375 times in 2026 MOT data across 2 model years (2020 to 2021), with an average pass rate of 98%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 2021 model is the most reliable with a 98% pass rate from 332 tests. The 2021 model has the lowest at 98%. With just a 0 point spread, the 911 carrera s is consistently reliable regardless of year.
Mileage Across Years
The oldest model in our data (2020) averages 15,029 miles, while the newest (2021) averages 14,511 miles.
Compared to the Porsche brand average of 92%, the 911 carrera s performs 6 points better, making it one of the more reliable options in the Porsche range.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Porsche 911 carrera s?
Porsche 911 carrera s by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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