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Porsche 911 - 1993

70.8 faults per 100 tests
Year average for all cars of 1993 is 301.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche 911, model year 1993. Sample size: 309 cars, 555 tests and 393 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 309 cars

The 1993 Porsche 911 shows a significantly lower overall defect rate of 71 defects per 100 vehicles, which is 76% better than the average car of the same year, which has 300 defects per 100. Notably, it performs exceptionally well in several categories, including brakes and steering, with defect rates of just 23% and 2% respectively, compared to averages of 119% and 31%. The model also demonstrates low defect rates in visibility and wheels, suspensions, and axles, further indicating its superior condition. However, for vehicles with high mileage over 124,000 miles, the defects begin to increase, aligning more closely with the yearly average.

Cars by mileage segment

Total: 309 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
▲ 79.8% better
23.4 faults / 100 tests
Year avg: 116.0 / 100 tests
  • Brake hose ferrules: excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake lining or pad: worn below 1.5mm
  • Brake pipe damaged or excessively corroded
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 92.9% better
2.2 faults / 100 tests
Year avg: 30.9 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Power steering fluid leaking or system malfunctioning
  • Steering linkage fouling any part of the vehicle
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▲ 87.0% better
3.2 faults / 100 tests
Year avg: 24.6 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
Lights & Electrics
▲ 39.7% better
42.9 faults / 100 tests
Year avg: 71.2 / 100 tests
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
  • The aim of a headlamp is not within limits laid down in the requirements
  • The aim of a headlamp is not within limits laid down in the requirements
  • Beam image obviously incorrect
Wheels & Suspension
▲ 84.6% better
29.2 faults / 100 tests
Year avg: 189.9 / 100 tests
  • A wheel: with a loose or missing wheel nut, bolt or stud
  • Tyre tread depth not in accordance with the requirements
  • A spring: or spring component fractured or seriously weakened
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
Body/Structure
▲ 94.2% better
4.7 faults / 100 tests
Year avg: 81.1 / 100 tests
  • 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
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A passenger seat: with a defective structure or the backrest cannot be retained in the upright position
Equipment
▲ 92.1% better
1.8 faults / 100 tests
Year avg: 22.7 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • A seat belt:
Other
▲ 47.7% better
34.2 faults / 100 tests
Year avg: 65.4 / 100 tests
  • Emissions levels exceed default limits
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Emissions levels exceed the manufacturer’s specified limits
  • Emissions test unable to be completed

Fault rate by mileage segment

Model    Year average
0 513 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)

Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 62
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 48
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 24
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 16
Brake hose ferrules: excessively corroded
ADVISORY
Occurrences: 16
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 13
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 13
Emissions levels exceed default limits
FAIL
Occurrences: 12
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
PRS
Occurrences: 12
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 11

Serious faults (Top 10)

Emissions levels exceed default limits
FAIL
Occurrences: 12
Emissions levels exceed the manufacturer’s specified limits
FAIL
Occurrences: 11
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 11
An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 8
Beam image obviously incorrect
FAIL
Occurrences: 7
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 5
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 4
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 4
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 4
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 4