Porsche 911 Gt3
From 287 MOT tests. Above average for its class.
Common MOT failure categories
What goes wrong?
The most common MOT failure reasons are a shock absorber damaged to the extent that it does not function or showing signs of severe leakage, a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc and a tyre seriously damaged. The top issue, a shock absorber damaged to the extent that it does not function or showing signs of severe leakage, caused 2 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 shock absorber damaged to the extent that it does not function or showing signs of severe leakage | 2 |
| a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc | 2 |
| a tyre seriously damaged | 2 |
| windscreen washers not working or not providing sufficient fluid to clear the windscreen | 1 |
| a spring or spring component fractured or seriously weakened | 1 |
By registration year
| Year | Pass rate | Top failures |
|---|---|---|
| 2021 | 97.6% | a shock absorber damaged to the extent that it does not function or showing signs of severe leakage, a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc |
Typical mileage
Half of all 911 Gt3s tested had between 3,497 and 9,414 miles on the clock. Relatively low mileage overall. Many are still fairly young.
At 5,478 median miles, the 911 Gt3 has 0.038 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 Gt3 MOT pass rate?
The Porsche 911 Gt3 has a 97.9% MOT pass rate based on 287 real MOT tests. This is above the national average.
What are common MOT failures on a Porsche 911 Gt3?
The most common MOT failure on the Porsche 911 Gt3 is a shock absorber damaged to the extent that it does not function or showing signs of severe leakage, which caused 2 failures. Other common issues include a transmission shaft constant velocity joint boot missing or no longer prevents the ingress of dirt etc.
What is the typical mileage of a Porsche 911 Gt3 at MOT?
The median mileage at MOT for a Porsche 911 Gt3 is 5,478 miles. The middle 50% of vehicles tested have between 3,497 and 9,414 miles.
Buying a used 911 Gt3?
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.
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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.