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Jaguar XJ - 1991

203.2 faults per 100 tests
Year average for all cars of 1991 is 263.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jaguar XJ, model year 1991. Sample size: 377 cars, 654 tests and 1,329 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 377 cars

The 1991 Jaguar XJ exhibits a lower overall defect rate compared to the average car of the same year, with 203 defects per 100 vehicles, which is 22.8% better than the average of 263 defects. Notably, this model shows significantly fewer issues in several categories, including brakes, visibility, and body/structure, all with defect rates substantially below the yearly average. While the XJ does experience increased defects with higher mileage, particularly in the 124,000+ miles segment, it still maintains an overall strong performance in key areas compared to its peers. There are no standout categories where the XJ is performing worse than average, highlighting its reliability relative to other vehicles from the same era.

Cars by mileage segment

Total: 377 cars

More model years for Jaguar XJ

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

Other models from Jaguar

Jaguar E-PACE Jaguar E-TYPE Jaguar EAGLE Jaguar F-PACE Jaguar F-TYPE Jaguar I-PACE Jaguar S-TYPE Jaguar X-TYPE Jaguar XE Jaguar XF Jaguar XJ Jaguar XJR Jaguar XJS Jaguar XK8 Jaguar XKR

Categories

Brakes
▲ 35.7% better
67.6 faults / 100 tests
Year avg: 105.2 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Significant brake effort recorded with no brake applied indicating a binding brake
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake hose ferrules: excessively corroded
Steering
▲ 7.2% better
26.9 faults / 100 tests
Year avg: 29.0 / 100 tests
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
  • Power steering fluid leaking or system malfunctioning
  • Power steering fluid leaking or system malfunctioning
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▲ 29.2% better
15.0 faults / 100 tests
Year avg: 21.2 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
  • Obligatory mirror or device: slightly damaged or loose
  • 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
Lights & Electrics
▲ 32.1% better
40.4 faults / 100 tests
Year avg: 59.5 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
  • Headlamp reflector or lens: slightly defective
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
  • A battery insecure: but not likely to fall from carrier
Wheels & Suspension
▲ 1.6% better
173.7 faults / 100 tests
Year avg: 176.5 / 100 tests
  • A spring: or spring component fractured or seriously weakened
  • A wheel bearing: with excessive play
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • Tyre tread depth not in accordance with the requirements
Body/Structure
▲ 60.8% better
25.1 faults / 100 tests
Year avg: 64.1 / 100 tests
  • Exhaust system has a major leak or is insecure
  • Exhaust system has a major leak or is insecure
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • Body, cab or chassis: excessively corroded at mounting points
Equipment
▲ 56.5% better
8.0 faults / 100 tests
Year avg: 18.4 / 100 tests
  • 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
  • A seat belt:
  • 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
  • Audible warning:
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▲ 5.9% better
49.8 faults / 100 tests
Year avg: 52.9 / 100 tests
  • Emissions levels exceed the manufacturer’s specified limits
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Any part of the noise suppression system: insecure
  • Emissions levels exceed default limits
  • Emissions test unable to be completed

Fault rate by mileage segment

Model    Year average
0 474 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: 147
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 112
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 95
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 88
A wheel bearing: with excessive play
ADVISORY
Occurrences: 83
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 47
Power steering fluid leaking or system malfunctioning
ADVISORY
Occurrences: 35
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
ADVISORY
Occurrences: 27
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 27
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 27

Serious faults (Top 10)

Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 19
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 17
Parking brake efficiency: below minimum requirement
FAIL
Occurrences: 16
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 14
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 13
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 12
Parking brake efficiency: less than 50% of the required value
FAIL
Occurrences: 12
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 11
Emissions levels exceed default limits
FAIL
Occurrences: 10
Parking brake inoperative on one side, or in the case of testing on the road, the vehicle deviates excessively from a straight line
FAIL
Occurrences: 7