2006 · 18 years old at test · Petrol mostly

2006 Porsche 911 MOT pass rate and common faults

2,619 MOT tests in 2024. 84.7% passed first time, compared with 56.1% for all cars the same age.

151Well above average
Passed first time84.7%
Failed or needed repairs15.3%
Typical mileage at test66,000

Most common reasons for failing

Share of all 2,619 tests where this item caused a failure.

  1. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits2.4%
  2. Joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt1.6%
  3. Headlamp aim: too high1.3%
  4. Rigid brake pipes: excessively corroded1.2%
  5. Tread depth below requirements of 1.6mm0.8%
    34 marked dangerous
  6. Tyres - condition: has ply or cords exposed0.8%
    40 marked dangerous
  7. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords0.7%
  8. Coil spring: fractured or broken0.6%
  9. Washers: not working0.6%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Lights & electrics4.7%
  2. Emissions & leaks4.4%
  3. Brakes3.4%
  4. Tyres3.2%
  5. Body & chassis2.6%
  6. Suspension2.3%
  7. Visibility (wipers, screen, mirrors)1.9%
  8. Steering0.7%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded10.3%
  2. Tread depth below requirements of 1.6mm9.2%
  3. Brake discs: in such a condition that it is seriously weakened8.1%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure5.8%
  5. Engine oil leaks: leaking excessively from engine4.2%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: catalyst emissions: lambda reading after 2nd fast idle outside specified limits. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 2006 Porsche 911?

In 2024, 84.7% of 2006 Porsche 911 cars passed their MOT first time, across 2,619 tests. The average for all 18-year-old cars was 56.1%.

What are the most common MOT failures on a 2006 Porsche 911?

The most common failure reasons were catalyst emissions: lambda reading after 2nd fast idle outside specified limits; joints: constant velocity boot split or insecure, no longer prevents the ingress of dirt; headlamp aim: too high. The biggest problem area was lights & electrics.

Is the 2006 Porsche 911 reliable at MOT time?

Its MOT Rank score is 151, which is well above average for a car of its age (100 means exactly average).