Porsche 911 Carrera 4 Auto
From 428 MOT tests. Above average for its class.
Common MOT failure categories
Pass rate by registration year
What goes wrong?
The most common MOT failure reasons are a tyre cords visible or damaged, a tyre has a lump, bulge or tear caused by separation or partial failure of its structure. this includes any lifting of the tread rubber and a tyre seriously damaged. The top issue, a tyre cords visible or damaged, caused 4 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 tyre cords visible or damaged | 4 |
| a tyre has a lump, bulge or tear caused by separation or partial failure of its structure. this includes any lifting of the tread rubber | 3 |
| a tyre seriously damaged | 3 |
| the aim of a headlamp is not within limits laid down in the requirements | 2 |
| tyre tread depth not in accordance with the requirements | 2 |
| number plate does not conform to the specified requirements | 1 |
| a steering ball joint with excessive wear or free play | 1 |
| brake performance unable to be tested | 1 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 95.2% | a tyre cords visible or damaged, the aim of a headlamp is not within limits laid down in the requirements |
| 2020 | 96.3% | a tyre has a lump, bulge or tear caused by separation or partial failure of its structure. this includes any lifting of the tread rubber, brake performance unable to be tested |
Typical mileage
Half of all 911 Carrera 4 Autos tested had between 8,960 and 19,167 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 13,517 median miles, the 911 Carrera 4 Auto has 0.031 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 Carrera 4 Auto MOT pass rate?
The Porsche 911 Carrera 4 Auto has a 95.8% MOT pass rate based on 428 real MOT tests. This is above the national average.
What are common MOT failures on a Porsche 911 Carrera 4 Auto?
The most common MOT failure on the Porsche 911 Carrera 4 Auto is a tyre cords visible or damaged, which caused 4 failures. Other common issues include a tyre has a lump, bulge or tear caused by separation or partial failure of its structure. this includes any lifting of the tread rubber.
What is the typical mileage of a Porsche 911 Carrera 4 Auto at MOT?
The median mileage at MOT for a Porsche 911 Carrera 4 Auto is 13,517 miles. The middle 50% of vehicles tested have between 8,960 and 19,167 miles.
Buying a used 911 Carrera 4 Auto?
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.