Porsche 911 Carrera 4S
From 331 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are a tyre seriously damaged, brake pipe damaged or excessively corroded, stop lamp missing and inoperative or in the case of a multiple light source more than 1/2 not functioning. The top issue, a tyre seriously damaged, caused 6 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 seriously damaged | 6 |
| brake pipe damaged or excessively corroded | 4 |
| stop lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 3 |
| wiper blade missing or obviously not clearing the windscreen | 2 |
| windscreen or window damaged or seriously discoloured but not adversely affecting driver's view | 2 |
| a suspension joint dust cover missing or no longer prevents the ingress of dirt etc | 2 |
| lambda coefficient outside the default limits or the range specified by the manufacturer | 2 |
| a lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning | 1 |
| a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 1 |
| headlamp reflector or lens slightly defective | 1 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 96.6% | a tyre seriously damaged, a seat belt or flexible stalk damaged |
Typical mileage
Half of all 911 Carrera 4Ss tested had between 11,870 and 66,388 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 25,605 median miles, the 911 Carrera 4S 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 4S MOT pass rate?
The Porsche 911 Carrera 4S has a 92.1% MOT pass rate based on 331 real MOT tests. This is above the national average.
What are common MOT failures on a Porsche 911 Carrera 4S?
The most common MOT failure on the Porsche 911 Carrera 4S is a tyre seriously damaged, which caused 6 failures. Other common issues include brake pipe damaged or excessively corroded.
What is the typical mileage of a Porsche 911 Carrera 4S at MOT?
The median mileage at MOT for a Porsche 911 Carrera 4S is 25,605 miles. The middle 50% of vehicles tested have between 11,870 and 66,388 miles.
Buying a used 911 Carrera 4S?
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.