2012 Porsche 911 · 6,950 MOT tests
2012 Porsche 911 reliability
2012 Porsche 911s fail 7% of first MOT tests, 73% fewer MOT fails than the average car its age and mileage, ranking 4 of 25 911 years (6,950 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Porsche 911s: 10.4%)
- 7%
- first-time fail rate (all Porsche 911s: 10.4%)
- fails than cars of the same age and mileage
- 73% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 11
- 46,163
- typical miles at its MOT, aged about 11
- MOT tests, 2022 to 2024
- 6,950
- MOT tests, 2022 to 2024
Year on year
2012 against the years either side
- 2011 cars: 75% fewer MOT fails than the average car its age (the 2012 car does worse)
- 2013 cars: 76% fewer MOT fails than the average car its age (the 2012 car does worse)
- Strong point: lights and electrics, 83% fewer fails than comparable cars.
- Plates: a 2012 car carries a 61 plate (January–February 2012), or a 12 plate (March–August 2012), or a 62 plate (September–December 2012).
Common problems
What fails on a 2012 Porsche 911
Fail rate by area
- Tyres1.8%
- Suspension1.6%
- Lights and electrics1.6%
- Windscreen, wipers and mirrors0.9%
- Body, chassis and structure0.7%
- Exhaust, emissions and leaks0.7%
- Brakes0.6%
Average for cars of the same age and mileage
Top failures
Suspension ball joint excessively worn 0.88%
A worn ball joint can fail and cause loss of steering control, so it must be replaced promptly.
Tyre cut reaching ply or cords 0.59%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre tread below 1.6mm 0.47%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
CV joint boot split or insecure 0.45%
A split CV boot lets dirt in and grease out, so the joint wears and may need full replacement.
Tyre ply or cords exposed 0.3%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Windscreen washer fluid insufficient 0.29%
Washers are not supplying enough liquid, so the windscreen cannot be cleared properly, which is a safety issue.
Common advisories
Tyre worn close to legal limit (4.45%) · Tyre slightly damaged or cracking (3.48%) · Brake disc pitted or scored (2.16%) · Brake pipes corroded and greasy (1.87%) · Suspension ball joint slight play (1.61%) · Brake pads wearing thin (1.4%)
Other years
Every Porsche 911 year
The full picture: Porsche 911 reliability. Before you pay for any Porsche 911, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2012 Porsche 911 reliable?
2012 Porsche 911s fail 7% of first MOT tests, 73% fewer MOT fails than the average car its age and mileage, ranking 4 of 25 911 years (6,950 DVSA tests, 2022 to 2024).
What fails on a 2012 Porsche 911 MOT?
Most often suspension ball joint excessively worn (0.88% of tests), tyre cut reaching ply or cords (0.59% of tests), tyre tread below 1.6mm (0.47% of tests).
How many miles should a 2012 Porsche 911 have done?
At its MOT aged about 11, a typical 2012 Porsche 911 shows 46,163 miles. Much higher or lower is worth asking about.
What plate is a 2012 car?
A car first registered in 2012 carries a 61 plate (January–February 2012), or a 12 plate (March–August 2012), or a 62 plate (September–December 2012).
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