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Porsche 911 - 2001

166.5 faults per 100 tests
Year average for all cars of 2001 is 372.8 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche 911, model year 2001. Sample size: 1,796 cars, 3,798 tests and 6,324 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,796 cars

The 2001 Porsche 911 shows a significantly lower overall defect rate compared to the average car of the same year, with 167 defects per 100 vehicles compared to 369 defects. This model performs particularly well in categories such as brakes, steering, and visibility, showing improvements of up to 74% over the yearly average. However, it does not have any standout issues; instead, it consistently fares better across most defect categories. Mileage trends indicate that defect rates increase with higher mileage, but the 911 remains remarkably reliable compared to its peers.

Cars by mileage segment

Total: 1,796 cars

More model years for Porsche 911

1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Other models from Porsche

Porsche 718 CAYMAN GT4 Porsche 718 SPYDER Porsche 911 Porsche 924 Porsche 928 Porsche 944 Porsche 968 Porsche BOXSTER Porsche CARRERA Porsche CAYENNE Porsche MACAN Porsche PANAMERA Porsche TAYCAN

Categories

Brakes
▲ 36.9% better
105.3 faults / 100 tests
Year avg: 167.0 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake pipe damaged or excessively corroded
  • Brake disc or drum: significantly and obviously worn
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake hose ferrules: excessively corroded
Steering
▲ 73.6% better
6.6 faults / 100 tests
Year avg: 25.0 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Power steering pipe, hose or wiring: excessively damaged or corroded
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▲ 53.7% better
13.6 faults / 100 tests
Year avg: 29.4 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: missing or obviously not clearing the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
Lights & Electrics
▲ 40.9% better
52.1 faults / 100 tests
Year avg: 88.1 / 100 tests
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • Lamp emitted colour, position or intensity not in accordance with the requirements
  • Headlamp reflector or lens: slightly defective
  • Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
Wheels & Suspension
▲ 62.6% better
109.5 faults / 100 tests
Year avg: 292.4 / 100 tests
  • A suspension pin, bush, joint or bearing: excessively worn
  • A suspension component: excessively damaged or corroded
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A shock absorber damaged … or showing signs of severe leakage
Body/Structure
▲ 75.4% better
17.7 faults / 100 tests
Year avg: 71.9 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • Exhaust system has a major leak or is insecure
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Exhaust system has a major leak or is insecure
Equipment
▲ 84.5% better
2.5 faults / 100 tests
Year avg: 16.1 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt: or flexible stalk damaged
  • Audible warning:
  • is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
Other
▲ 53.8% better
25.7 faults / 100 tests
Year avg: 55.6 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Emissions test unable to be completed
  • Emissions levels exceed the manufacturer’s specified limits
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Emissions levels exceed default limits

Fault rate by mileage segment

Model    Year average
0 537 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 967
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 582
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 533
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 429
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 361
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 346
Lamp emitted colour, position or intensity not in accordance with the requirements
ADVISORY
Occurrences: 157
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 137
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 128
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 124

Serious faults (Top 10)

Brake pipe damaged or excessively corroded
FAIL
Occurrences: 91
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 69
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 63
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 57
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 53
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 52
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 51
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 49
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 43
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 37