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Jaguar XJ - 2018

96.0 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jaguar XJ, model year 2018. Sample size: 912 cars, 2,254 tests and 2,163 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 912 cars

The 2018 Jaguar XJ demonstrates a lower overall defect rate compared to the average car of the same year, with 96 defects per 100 vehicles against a national average of 120. It excels particularly in categories such as Brakes and Steering, showing significant improvements with 44% and 0.4% defect rates, respectively, compared to much higher national averages. Interestingly, the XJ's defect rates increase consistently with mileage, peaking at over 315 defects per 100 vehicles for those with more than 124,000 miles. While tyre wear is often a concern across vehicles, this model stands out positively in several critical areas, indicating a robust performance in maintenance and reliability.

Cars by mileage segment

Total: 912 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
▲ 36.5% better
43.7 faults / 100 tests
Year avg: 68.8 / 100 tests
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
  • Brake hose ferrules: excessively corroded
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 92.0% better
0.4 faults / 100 tests
Year avg: 5.0 / 100 tests
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
  • A steering ball joint: with excessive wear or free play
  • Steering gear casing: retaining devices dangerously loose or relative movement to chassis/bodywork visible
Visibility
▲ 48.9% better
7.1 faults / 100 tests
Year avg: 13.9 / 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
  • Obligatory mirror or device: slightly damaged or loose
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 43.8% better
9.9 faults / 100 tests
Year avg: 17.6 / 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
  • The aim of a headlamp is not within limits laid down in the requirements
  • A direction indicator: lamp with a multiple light source up to 1/2 not functioning
  • Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 0.4% better
126.2 faults / 100 tests
Year avg: 126.7 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension pin, bush, joint or bearing: excessively worn
  • 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 tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▲ 94.1% better
0.3 faults / 100 tests
Year avg: 5.1 / 100 tests
  • Exhaust system has a major leak or is insecure
  • Exhaust system has a major leak or is insecure
Equipment
▲ 63.6% better
0.8 faults / 100 tests
Year avg: 2.2 / 100 tests
  • Seat belt buckle missing, damaged or not functioning as intended
  • 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
  • Seat belt retractor not functioning as intended
  • Seat belt not functioning as intended or of an incorrect type
  • ESC MIL indicates a system malfunction
Other
▲ 50.0% better
3.5 faults / 100 tests
Year avg: 7.0 / 100 tests
  • Smoke opacity levels exceed default limit
  • Engine MIL inoperative or indicating a malfunction
  • Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
  • Engine MIL inoperative or indicating a malfunction
  • Exhaust on a vehicle fitted with a diesel particulate filter emits visible smoke of any colour

Fault rate by mileage segment

Model    Year average
0 315 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: 816
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 216
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 189
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 130
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 111
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 109
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 75
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 46
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 34
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 31

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 46
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 31
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 23
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 19
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 13
A wheel: with a loose or missing wheel nut, bolt or stud
FAIL
Occurrences: 11
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 10
Brake lining or pad: worn down to wear indicator
FAIL
Occurrences: 9
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 9
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 8