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Porsche 911 - 2019

33.4 faults per 100 tests
Year average for all cars of 2019 is 108.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Porsche 911, model year 2019. Sample size: 3,554 cars, 9,712 tests and 3,242 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 3,554 cars

The 2019 Porsche 911 exhibits a significantly lower overall defect rate compared to the average car of the same year, with 33 defects per 100 vehicles, in contrast to the average of 106 defects per 100 vehicles, marking a 69% improvement. Notably, the model performs exceptionally well in categories such as brakes, steering, visibility, and lights and electrics, showing drastically fewer defects than the average. However, as mileage increases, defects in this model seem to rise, particularly in the 31,000 to 93,000-mile range. Overall, the Porsche 911 stands out for its reliability, particularly in critical safety areas.

Cars by mileage segment

Total: 3,554 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
▲ 92.1% better
4.9 faults / 100 tests
Year avg: 62.4 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake disc or drum: significantly and obviously worn
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake lining or pad: worn below 1.5mm
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 96.4% better
0.1 faults / 100 tests
Year avg: 2.8 / 100 tests
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▲ 76.1% better
3.3 faults / 100 tests
Year avg: 13.8 / 100 tests
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Windscreen or window damaged or seriously discoloured: and affecting the driver’s view of the road or of an obligatory external mirror
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: defective
Lights & Electrics
▲ 85.9% better
2.1 faults / 100 tests
Year avg: 14.9 / 100 tests
  • 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
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • A lens defective: which has no effect on emitted light
  • A lamp: not securely attached
Wheels & Suspension
▲ 51.6% better
54.7 faults / 100 tests
Year avg: 112.9 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • 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
▲ 94.3% better
0.2 faults / 100 tests
Year avg: 3.5 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • Fuel system: leaking, or missing or ineffective filler cap
  • A door will not open using the relevant control or close properly
  • Bumper: insecure or with damage likely to cause injury when grazed or contacted
  • A driver’s seat: seat moving inadvertently or backrest cannot be retained in the upright position
Equipment
▲ 94.4% better
0.1 faults / 100 tests
Year avg: 1.8 / 100 tests
  • A seat belt:
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Audible warning:
Other
▲ 74.5% better
1.3 faults / 100 tests
Year avg: 5.1 / 100 tests
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Lambda coefficient outside the default limits or the range specified by the manufacturer
  • Emission control equipment fitted by the manufacturer: missing, obviously modified or obviously defective
  • Engine MIL inoperative or indicating a malfunction
  • Emissions levels exceed default limits

Fault rate by mileage segment

Model    Year average
0 289 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)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 1,029
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 996
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 167
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 139
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 130
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 117
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 109
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 83
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 70
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 62

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 109
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 83
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 62
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 13
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 11
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 11
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 9
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 7
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 5
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 4