2018 Jaguar XJ · 2,813 MOT tests
2018 Jaguar XJ reliability
2018 Jaguar XJs fail 9.1% of first MOT tests, 40% fewer MOT fails than the average car its age and mileage, ranking 9 of 23 XJ years (2,813 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Jaguar XJs: 22.6%)
- 9.1%
- first-time fail rate (all Jaguar XJs: 22.6%)
- fails than cars of the same age and mileage
- 40% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 5
- 34,955
- typical miles at its MOT, aged about 5
- MOT tests, 2022 to 2024
- 2,813
- MOT tests, 2022 to 2024
Year on year
2018 against the years either side
- 2017 cars: 42% fewer MOT fails than the average car its age (the 2018 car does worse)
- 2019 cars: 38% fewer MOT fails than the average car its age (the 2018 car does better)
- Strong point: brakes, 57% fewer fails than comparable cars.
- Plates: a 2018 car carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
Common problems
What fails on a 2018 Jaguar XJ
Fail rate by area
- Tyres4.3%
- Lights and electrics1.8%
- Brakes1.2%
- Exhaust, emissions and leaks0.9%
- Suspension0.6%
- Windscreen, wipers and mirrors0.6%
- Number plates and VIN0.4%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 1.17%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 1.03%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre ply or cords exposed 0.68%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre bulge from structural failure 0.5%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Headlamp aim set too low 0.46%
Headlamps aimed too low light the road poorly and reduce the driver's view ahead, especially at night.
Brake pads worn below 1.5mm 0.43%
Pads worn below 1.5mm lose stopping power and can damage discs, so replacement is needed before the car is driven.
Common advisories
Tyre worn close to legal limit (11.62%) · Brake pads wearing thin (5.23%) · Tyre slightly damaged or cracking (2.38%) · Tyre has a shallow cut (2.31%) · Brake disc pitted or scored (2.1%) · Tyre showing slight damage (1.99%)
Other years
Every Jaguar XJ year
The full picture: Jaguar XJ reliability. Before you pay for any Jaguar XJ, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2018 Jaguar XJ reliable?
2018 Jaguar XJs fail 9.1% of first MOT tests, 40% fewer MOT fails than the average car its age and mileage, ranking 9 of 23 XJ years (2,813 DVSA tests, 2022 to 2024).
What fails on a 2018 Jaguar XJ MOT?
Most often tyre tread below 1.6mm (1.17% of tests), tyre cut reaching ply or cords (1.03% of tests), tyre ply or cords exposed (0.68% of tests).
How many miles should a 2018 Jaguar XJ have done?
At its MOT aged about 5, a typical 2018 Jaguar XJ shows 34,955 miles. Much higher or lower is worth asking about.
What plate is a 2018 car?
A car first registered in 2018 carries a 67 plate (January–February 2018), or a 18 plate (March–August 2018), or a 68 plate (September–December 2018).
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