Jaguar XJ8 MOT reliability

Jaguar XJ8s passed their MOT first time 81% of the time across 32 tests in 2025.

These figures come from 32 MOT tests. That's a fairly small number of cars, so they may not be typical of these cars as a whole.

First-time pass rate

81%

MOTs analysed

32

Still licensed (GB)

–

Body type

Sedan

Pass rate by year of first registration

Older cars fail more often, so compare a car with others of the same age. Years with very few MOTs can show extreme pass rates, even 0% or 100%, so give more weight to years with more tests.

In detail:

First registered

2006 petrol

4 MOTs

These figures come from only 4 MOT tests. With so few cars, a single pass or fail changes the percentages a lot, so treat them as a rough guide rather than a true average.

Passed first time 50%. Typical mileage 87,347 (most between 81,280 and 89,070).

2007: 0% → 2008: 82% → 2009: 84% → 2010: 82% → 2011: 79% → 2012: 79% → 2013: 75% → 2014: 76% → 2015: 76% → 2016: 74% → 2017: 71% → 2018: 77% → 2019: 73% → 2020: 100% → 2021: 100% → 2022: 75% → 2023: 100% → 2024: 75% → 2025: 50%

Most common failures

Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits (25.0%)
Track rod end: ball joint has excessive play (25.0%)
Prop shaft: bearing excessively worn (25.0%)
Flexible couplings: excessively deteriorated (25.0%)

Where 2006 XJ8s fail

Body, structure & corrosion

25.0%

Steering

25.0%

Exhaust, emissions & leaks

25.0%

Looking at a particular car?

See its own MOT history, mileage and red flags, compared with these figures. Free.

Based on 2025 initial MOT tests in DVSA's anonymised MOT dataset (cars and light vans). Contains public sector information licensed under the Open Government Licence v3.0. Model details: Vehicle data by VehiclesDB.