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Jaguar XJ - 2015

110.3 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jaguar XJ, model year 2015. Sample size: 1,188 cars, 2,811 tests and 3,101 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,188 cars

The 2015 Jaguar XJ has a notably lower overall defect rate compared to the average car of the same year, with 110 defects per 100 vehicles versus the average of 170. This represents a 35% improvement. While mileage-related trends show an increase in defects with higher mileage, the XJ performs particularly well in categories such as brakes, steering, and body structure, with significantly lower defect rates than average. Additionally, while tyre wear is a common issue across many vehicles, the XJ stands out positively in multiple areas, demonstrating reliable performance in crucial aspects of vehicle maintenance.

Cars by mileage segment

Total: 1,188 cars

Categories

Brakes
▲ 49.5% better
42.8 faults / 100 tests
Year avg: 84.7 / 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
  • Brake hose ferrules: excessively corroded
Steering
▲ 74.7% better
2.5 faults / 100 tests
Year avg: 9.9 / 100 tests
  • A steering ball joint: with excessive wear or free play
  • Power steering fluid leaking or system malfunctioning
  • 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.
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 50.3% better
8.0 faults / 100 tests
Year avg: 16.1 / 100 tests
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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: defective
Lights & Electrics
▲ 60.6% better
12.2 faults / 100 tests
Year avg: 31.0 / 100 tests
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
  • A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
  • 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
  • The aim of a headlamp is not within limits laid down in the requirements
Wheels & Suspension
▲ 22.4% better
138.4 faults / 100 tests
Year avg: 178.3 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension component: excessively damaged or corroded
  • 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
▲ 76.1% better
2.8 faults / 100 tests
Year avg: 11.7 / 100 tests
  • 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
  • Exhaust system has a major leak or is insecure
  • A door will not open using the relevant control or close properly
  • A door hinge, catch or pillar: missing or insecure
Equipment
▲ 35.0% better
2.6 faults / 100 tests
Year avg: 4.0 / 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
  • Seat belt buckle missing, damaged or not functioning as intended
  • Audible warning:
Other
▲ 15.2% better
11.2 faults / 100 tests
Year avg: 13.2 / 100 tests
  • 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
  • Engine MIL inoperative or indicating a malfunction
  • Smoke opacity levels exceed default limit

Fault rate by mileage segment

Model    Year average
0 342 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: 928
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 296
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 257
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 207
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 154
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 125
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 84
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 71
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 68
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: 64

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 84
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 58
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 39
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 37
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 26
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 25
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 24
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 16
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 15
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 13