Porsche 911 Turbo S-A
From 331 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, number plate does not conform to the specified requirements and a suspension joint dust cover missing or no longer prevents the ingress of dirt etc. The top issue, a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, caused 7 failures in 2024. Checking tread depth (1.6mm legal minimum, 3mm recommended) before your test can save an unnecessary fail. You can check prices at Black Circles if you need replacements. If you need repairs before retesting, sites like BookMyGarage let you compare local prices.
| a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 7 |
| number plate does not conform to the specified requirements | 4 |
| a suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 3 |
| a direction indicator lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 3 |
| the aim of a headlamp is not within limits laid down in the requirements | 3 |
| a tyre seriously damaged | 1 |
| a tyre cords visible or damaged | 1 |
| a tyre not fitted in compliance with the manufacturers sidewall instruction | 1 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 96.2% | number plate does not conform to the specified requirements, a tyre seriously damaged |
Typical mileage
Half of all 911 Turbo S-As tested had between 7,861 and 41,858 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 14,610 median miles, the 911 Turbo S-A has 0.037 failures per 10,000 miles driven.
Other Porsche models
| Porsche 911 | 90.7% |
| Porsche Macan | 93.6% |
| Porsche Cayenne | 89.5% |
| Porsche Boxster | 86.8% |
| Porsche Cayman | 92.1% |
Common questions
What is the Porsche 911 Turbo S-A MOT pass rate?
The Porsche 911 Turbo S-A has a 94.6% MOT pass rate based on 331 real MOT tests. This is above the national average.
What are common MOT failures on a Porsche 911 Turbo S-A?
The most common MOT failure on the Porsche 911 Turbo S-A is a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc, which caused 7 failures. Other common issues include number plate does not conform to the specified requirements.
What is the typical mileage of a Porsche 911 Turbo S-A at MOT?
The median mileage at MOT for a Porsche 911 Turbo S-A is 14,610 miles. The middle 50% of vehicles tested have between 7,861 and 41,858 miles.
Buying a used 911 Turbo S-A?
Start with the free tools. Look up the specific vehicle's MOT history on GOV.UK The mileage at each test will show if it's been wound back, and the advisory history tells you what's wearing. Cross-reference that against the typical failures above to see if anything looks unusual for this model.
The free data won't tell you about outstanding finance, theft markers, or write-off history. For that, you need a vehicle history check This is especially important on a private sale where you have fewer legal protections.
Some links are to services we may earn from. Disclosure.
MOT data from DVSA anonymised test results, 2024 test year. Fleet data from DfT vehicle licensing statistics. Crown copyright, OGL v3.0. MOT pass rates are statistical summaries of test outcomes, not assessments of individual vehicle safety or condition. Always inspect a vehicle and check its full MOT history before purchasing. See terms of use.