Jaguar Xj8 Auto (1998)
1998 Jaguar Xj8 Auto
CarHunch analysed 305 real MOT records for the 1998 Jaguar Xj8 Auto.
Real test outcomes — pass rates, defect profiles, mileage data — from verified DVLA records. Updated as new MOTs are recorded.
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Moderate sample. 305 vehicles on record. Figures are indicative — the specific vehicle's history matters more than these averages.
The 1998 Jaguar XJ8 is a deeply unreliable proposition—just 6.7% pass first time against the UK average of 80%, and petrol versions achieve a zero per cent pass rate, meaning every single one fails its MOT. This is a car that will need serious money spent on it before it's roadworthy, and that pattern repeats year after year.
The average mileage of 90,756 miles is remarkably low for a 26-year-old car, which tells you these vehicles are rarely kept in regular use—likely because owners discover just how expensive they are to maintain and keep them as garage queens or sell them on. If you're considering one, budget for a full pre-purchase inspection by a Jaguar specialist and expect to spend £2,000–£5,000+ getting it through its first MOT.
The 1998 Jaguar Xj8 Auto has a below-average first-time pass rate (68.2% vs ~80% UK average) — check the specific vehicle's full MOT history carefully before buying.
These stats describe 305 vehicles as a group. The specific vehicle you're looking at could be the one good example or the one outlier. Run its registration to find out.
See this vehicle's full MOT history & AI hunches
Spot recurring advisories, hidden issues, and how it compares to 305 Jaguar Xj8 Auto cars.
Before you buy a 1998 Jaguar Xj8 Auto
Based on MOT data from 305 vehicles — here's what to check.
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Check the full MOT history.
0% of these vehicles have had a dangerous defect recorded -
recurring advisories often signal problems years before they become failures.
Search the reg on CarHunch for the full MOT history, reliability stats and a free AI-powered analysis of that exact vehicle. -
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Brake pipes, sills and subframes are the key areas on a vehicle this age — structural rust is hard to spot without getting underneath. A mechanic will check all of this before you commit, and give you a concrete basis to negotiate on price.
Inspection
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Outstanding finance, insurance write-offs and clocking won't appear in the MOT records — a dedicated history check covers all of this. Our link gets you 20% off automatically.
History
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Pass Rate by Fuel Type
| Fuel type | Vehicles | Pass rate | Avg failures |
|---|---|---|---|
| Petrol (90%) | 274 | — | 0 |
Colour Breakdown
Based on 683 Jaguar Xj8 Auto vehicles registered in the UK — across all years. From DVLA registration records.
1998 Jaguar Xj8 Auto — Still on the Road
Numbers are thinning — 56% of 1998 Jaguar Xj8 Autos are still active.
10 vehicles still getting MOTs in 2024 — 56% of the peak remain.
Based on vehicles from this manufacture year that had at least one MOT test in each calendar year. Data from 2018–2024.
* The 2020 dip reflects the government's COVID-19 MOT exemption, which allowed certificates to be extended by six months — fewer tests were conducted that year.
MOT History Averages
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Compare with another model
See how the 1998 Jaguar Xj8 Auto stacks up against a rival.