Porsche 911 carrera 4s auto
Reliability, running costs, and MOT data across 2 years from 305 real MOT tests.
Avg Pass Rate
95%
Total Tests
305
Best Year
2021 (98%)
Years Covered
2
About the Porsche 911 carrera 4s auto
The Porsche 911 carrera 4s auto has been tested 305 times in 2026 MOT data across 2 model years (2020 to 2021), with an average pass rate of 95%. 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 89 tests. The 2020 model has the lowest at 92%. The 6 point spread between years means reliability varies somewhat, but no year is dramatically different.
Mileage Across Years
The oldest model in our data (2020) averages 15,787 miles, while the newest (2021) averages 15,963 miles.
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 4s auto?
Porsche 911 carrera 4s auto by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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