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Jaguar XJ - 2011

190.4 faults per 100 tests
Year average for all cars of 2011 is 274.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Jaguar XJ, model year 2011. Sample size: 1,850 cars, 4,556 tests and 8,676 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 1,850 cars

The 2011 Jaguar XJ shows a significantly lower overall defect rate than the average car of the same year, with 190 defects per 100 vehicles compared to 271. This model excels particularly in categories such as brakes, steering, and visibility, where its defect rates are notably lower than the averages by 41%, 60%, and 52% respectively. Additionally, it performs well in lights and electrics, body structure, and equipment, with reductions in defects ranging from 47% to 79%. Mileage trends indicate that as the vehicle ages, defect rates increase, especially beyond 124,000 miles, but it still maintains a better performance than the average car across all mileage segments. Overall, the Jaguar XJ stands out as a reliable choice from its year, particularly in crucial safety-related areas.

Cars by mileage segment

Total: 1,850 cars

Categories

Brakes
▲ 39.8% better
66.2 faults / 100 tests
Year avg: 109.9 / 100 tests
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Brake hose ferrules: excessively corroded
  • Brake pipe damaged or excessively corroded
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: significantly and obviously worn
Steering
▲ 62.0% better
6.0 faults / 100 tests
Year avg: 15.8 / 100 tests
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
  • 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.
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 52.4% better
10.1 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
  • Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
  • Wiper blade: defective
  • Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 65.2% better
24.0 faults / 100 tests
Year avg: 68.9 / 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
  • Headlamp reflector or lens: slightly defective
  • 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 only one lamp or all lamps not working
  • Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
Wheels & Suspension
▲ 5.7% better
251.3 faults / 100 tests
Year avg: 266.4 / 100 tests
  • Tyre tread depth not in accordance with the requirements
  • A suspension component: excessively damaged or corroded
  • A suspension joint dust cover: severely deteriorated
  • 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
▲ 80.2% better
6.2 faults / 100 tests
Year avg: 31.3 / 100 tests
  • Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • 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
▲ 67.6% better
2.4 faults / 100 tests
Year avg: 7.4 / 100 tests
  • Seat belt buckle missing, damaged or not functioning as intended
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • Audible warning:
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • Seat belt buckle missing, damaged or not functioning as intended
Other
▲ 47.1% better
14.7 faults / 100 tests
Year avg: 27.8 / 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 emits excessive dense blue or clearly visible black smoke during acceleration which would obscure the view of other road users
  • Smoke opacity levels exceed default limit
  • Engine MIL inoperative or indicating a malfunction

Fault rate by mileage segment

Model    Year average
0 421 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: 1,559
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,339
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 670
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 427
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 303
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 295
A suspension joint dust cover: severely deteriorated
MINOR
Occurrences: 272
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 255
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 247
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 216

Serious faults (Top 10)

A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 216
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 163
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 146
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 140
A spring: or spring component fractured or seriously weakened
FAIL
Occurrences: 68
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 67
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 46
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 40
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 36
Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
FAIL
Occurrences: 33