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Jaguar XJ Common Problems, Faults & Repair Costs (2026)

Based on official DVSA MOT test data. View the most common MOT failure categories, pass rates, and estimated repair costs for the Jaguar XJ (2003–2019).

MOT Pass Rate

76.5%5.5% below national avg (82%)

Reliability rating: Good — based on approx. 15,000 tests

Dangerous Defects

2.00%

Moderate risk

Retest Rate

15.5%

of failed tests need a retest

Top MOT Failure Categories

1

Lamps, reflectors and electrical equipment

Est. repair: £40–£200

15.8%
2

Suspension

Est. repair: £120–£450

16.0%
3

Brakes

Est. repair: £100–£350

13.8%
4

Tyres

Est. repair: £50–£120 per tyre

9.5%
5

Exhaust, fuel and emissions

Est. repair: £40–£200

9.0%

Where Faults Occur

29.0%

Front

30.0%

Rear

22.0%

Offside

Mileage Benchmarks

At 3 years

26,000 mi

At 5 years

44,000 mi

At 10 years

85,000 mi

Significantly higher or lower mileage than these benchmarks may indicate unusual usage patterns. Check the full MOT history for mileage consistency.

Is a Jaguar XJ a Good Buy?

The Jaguar XJ shows average reliability in MOT data. With a 76.5% pass rate, it sits 5.5% below the national average of 82%.

Budget for potential repairs in lamps, reflectors and electrical equipment and suspension. An independent pre-purchase inspection is recommended, especially for older examples. Always check the full MOT history for recurring issues.

Jaguar XJ MOT Check & History

View detailed MOT pass rates by year, mileage benchmarks, and full test history data for the Jaguar XJ.

View Jaguar XJ MOT Data

Check a Specific Jaguar XJ

Enter a registration number to view the full MOT history for any Jaguar XJ.

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Other Jaguar Models

Jaguar XF

78.8%

Lamps, reflectors and electrical equipment →

Jaguar XE

81.2%

Lamps, reflectors and electrical equipment →

Jaguar F-Pace

80.5%

Lamps, reflectors and electrical equipment →

Jaguar F-Type

82.5%

Lamps, reflectors and electrical equipment →

Jaguar E-Pace

82.0%

Lamps, reflectors and electrical equipment →

Jaguar I-Pace

87.8%

Lamps, reflectors and electrical equipment →

View all Jaguar models

Frequently Asked Questions

What are the most common MOT faults on a Jaguar XJ?
The top MOT failure on the Jaguar XJ is Lamps, reflectors and electrical equipment, accounting for approximately 15.8% of all failures. Other common issues include suspension and brakes.
What is the Jaguar XJ MOT pass rate?
The Jaguar XJ has an estimated MOT pass rate of 76.5%, which is 5.5% below the national average of 82%. This rates the Jaguar XJ as "Good" for MOT reliability.
Is the Jaguar XJ reliable?
Based on DVSA MOT data, the Jaguar XJ has a good reliability record with a 76.5% pass rate. It has a dangerous defect rate of 2.00% and a retest rate of 15.5%.
How much does it cost to fix common Jaguar XJ MOT failures?
Typical repair costs for Jaguar XJ MOT failures range from £30–£200 for lamps, reflectors and electrical equipment issues to £120–£450 for suspension problems. Prices are estimates based on typical UK independent garage rates.
What mileage should a Jaguar XJ have?
Based on MOT test data, the average Jaguar XJ covers approximately 26,000 mi by 3 years, 44,000 mi by 5 years, and 85,000 mi by 10 years. Significantly higher or lower mileage may warrant closer inspection.
Should I buy a used Jaguar XJ?
The Jaguar XJ is generally a solid choice based on MOT data. Check the full MOT history of any specific vehicle before purchasing, paying particular attention to lamps, reflectors and electrical equipment issues and mileage consistency.
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