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Jaguar XJR - 2004

240.2 faults per 100 tests
Year average for all cars of 2004 is 384.6 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jaguar XJR, model year 2004. Sample size: 197 cars, 440 tests and 1,057 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 197 cars

The 2004 Jaguar XJR has an overall defect rate of 240 per 100 vehicles, which is significantly lower than the average rate of 382 per 100 for cars of the same year, representing a 37% improvement. Notably, the model excels in areas such as visibility, lights and electrics, and body structure, all showing better performance compared to the average. Specifically, the XJR had a defect rate of 16% in visibility, while the average is 29%. However, as mileage increases, defects tend to rise, particularly in the highest mileage category, where the XJR shows a defect rate of 444 per 100, indicating a trend consistent with general mileage-related wear. Overall, the Jaguar XJR stands out positively in various categories, indicating its reliability relative to peers from the same year.

Cars by mileage segment

Total: 197 cars

Categories

Brakes
▲ 16.4% better
137.3 faults / 100 tests
Year avg: 164.2 / 100 tests
  • Brake pipe damaged or excessively corroded
  • Brake lining or pad: worn below 1.5mm
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake hose ferrules: excessively corroded
Steering
▼ 13.3% worse
28.2 faults / 100 tests
Year avg: 24.9 / 100 tests
  • 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
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 44.0% better
16.4 faults / 100 tests
Year avg: 29.3 / 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: defective
  • Obligatory mirror or device: slightly damaged or loose
Lights & Electrics
▲ 64.4% better
39.1 faults / 100 tests
Year avg: 109.9 / 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
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • Lamp emitted colour, position or intensity not in accordance with the requirements
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▲ 33.2% better
209.1 faults / 100 tests
Year avg: 312.9 / 100 tests
  • A suspension joint dust cover: severely deteriorated
  • Tyre tread depth not in accordance with the requirements
  • A suspension component: excessively damaged or corroded
  • A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
  • A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 79.2% better
13.2 faults / 100 tests
Year avg: 63.6 / 100 tests
  • A door hinge, catch or pillar: excessively deteriorated
  • 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
  • Exhaust system has a major leak or is insecure
Equipment
▲ 53.6% better
6.4 faults / 100 tests
Year avg: 13.8 / 100 tests
  • Audible warning:
  • Seat belt buckle missing, damaged or not functioning as intended
  • A statutory seat belt missing
  • ESC MIL indicates a system malfunction
  • Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 38.8% better
30.9 faults / 100 tests
Year avg: 50.5 / 100 tests
  • Engine MIL inoperative or indicating a malfunction
  • 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
  • Engine MIL inoperative or indicating a malfunction
  • Emissions levels exceed default limits

Fault rate by mileage segment

Model    Year average
0 533 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)

A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 99
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 99
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 73
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 71
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 60
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 58
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 57
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 51
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 34
Steering rack gaiter or ball joint dust cover: damaged or deteriorated
MINOR
Occurrences: 32

Serious faults (Top 10)

A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 71
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 27
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 13
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 12
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 11
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 8
A shock absorber bush excessively worn
FAIL
Occurrences: 7
Warning device shows system malfunction
FAIL
Occurrences: 6
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 5
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 5