Jaguar XJS - 1985
223.9 faults per 100 tests
Year average for all cars of 1985 is 240.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jaguar XJS, model year 1985.
Sample size: 134 cars, 259 tests and 580 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 134 cars
The 1985 Jaguar XJS has an overall defect rate of 224 per 100 vehicles, which is 6% lower than the yearly average of 238 per 100 vehicles. It shows a marked improvement in categories such as brakes, body structure, and equipment, with defect rates significantly lower than the average. However, it stands out negatively in the "Other" category, where its defect rate is notably higher than the average. Mileage trends indicate that defects increase with mileage, particularly in the mid-range bracket of 62,000 to 93,000 miles. Overall, the XJS demonstrates better reliability in key areas compared to similar vehicles of its year.
Cars by mileage segment
Total: 134 cars
More model years for Jaguar XJS
Other models from Jaguar
Categories
Brakes
▲ 38.9% better
51.0 faults / 100 tests
Year avg: 83.5 / 100 tests
- Brake pipe damaged or excessively corroded
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake lining or pad: worn below 1.5mm
- Significant brake effort recorded with no brake applied indicating a binding brake
Steering
▼ 6.8% worse
33.2 faults / 100 tests
Year avg: 31.1 / 100 tests
- 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.
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Power steering fluid leaking or system malfunctioning
Visibility
▼ 6.2% worse
23.9 faults / 100 tests
Year avg: 22.5 / 100 tests
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper not operating or missing
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▼ 7.9% worse
61.8 faults / 100 tests
Year avg: 57.3 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▲ 3.4% better
155.2 faults / 100 tests
Year avg: 160.6 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
- Tyre tread depth not in accordance with the requirements
- A wheel bearing: with excessive play
- A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▲ 28.0% better
40.2 faults / 100 tests
Year avg: 55.8 / 100 tests
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- A door will not open using the relevant control or close properly
- Exhaust system has a major leak or is insecure
- Fuel system: leaking, or missing or ineffective filler cap
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
Equipment
▲ 39.0% better
10.8 faults / 100 tests
Year avg: 17.7 / 100 tests
- Audible warning:
- A seat belt:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Seat belt anchorage loose
- Seat belt not functioning as intended or of an incorrect type
Other
▼ 36.5% worse
71.8 faults / 100 tests
Year avg: 52.6 / 100 tests
- Emissions levels exceed default limits
- Emissions test unable to be completed
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Exhaust emits excessive dense blue or clearly visible black smoke during acceleration which would obscure the view of other road users
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
Fault rate by mileage segment
Model
Year average
* 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: 81
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 40
A wheel bearing: with excessive play
ADVISORY
Occurrences: 38
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 34
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 31
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 27
Power steering fluid leaking or system malfunctioning
ADVISORY
Occurrences: 21
Significant brake effort recorded with no brake applied indicating a binding brake
ADVISORY
Occurrences: 16
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 14
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: 12
Serious faults (Top 10)
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 10
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 9
Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 8
Emissions levels exceed default limits
FAIL
Occurrences: 7
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 6
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 6
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 6
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 5
4.3.1 (a) (iii)
FAIL
Occurrences: 5
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 4