JAGUAR XK8 (1998)
Running costs, common problems, and reliability data based on 2,947 real MOT tests in 2024.
MOT Pass Rate
81%
Total Tests (2024)
2,947
Avg Mileage
92,422 mi
Est. Annual Cost
£2,247
Is the 1998 JAGUAR XK8 reliable?
Good reliability. Occasional issues but generally solid. That's close to the national average of 82%. It falls below the JAGUAR brand average of 88%.
At 26 years old, 81% of JAGUAR XK8s from 1998 passed their MOT first time in 2024. That's based on 2,947 tests across the UK. The average mileage at this age is 92,422 miles.
How does the 1998 JAGUAR XK8 compare?
Mileage Analysis
The average 1998 JAGUAR XK8 has 92,422 miles on the clock, which is significantly below the expected 192,400 miles for a 26-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
Best year to buy a JAGUAR XK8?
The most reliable year is the 2005 model with a 84% MOT pass rate, while the 2000 model has the lowest at 76%. The 1998 sits between the two at 81%.
How much does a 1998 JAGUAR XK8 cost to run?
Based on 7,400 miles/year (UK average), current fuel prices, and repair likelihood from MOT pass rate data. Insurance not included.
JAGUAR XK8 by Year
Checking a specific JAGUAR XK8?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 1998 JAGUAR XK8
The 1998 JAGUAR XK8 is a premium performance with a 3995cc petrol engine. 2,947 of these vehicles were MOT tested in 2024, making it a reasonably common sight on UK roads. It ranks in the top 24% of all 1998 cars for reliability.
With an average of 92,422 miles at 26 years old, JAGUAR XK8 owners tend to use this car less than the typical driver. Very low mileage could mean the car has been garaged or used only for short trips, which can cause its own issues like battery drain and moisture buildup.
1998 JAGUAR XK8 Fuel Costs
The 3995cc petrol engine is on the larger side, so fuel won't be this car's strong point. Expect around 30 mpg in mixed driving, which works out to roughly £1,592 per year at current petrol prices of 142p per litre (based on 7,400 miles per year).
What does it cost to own a 1998 JAGUAR XK8?
Total estimated annual running cost is £2,247 (£187/month), broken down as £1592 fuel, £250 road tax, £55 MOT, and £350 predicted repairs. Repair costs are moderate, reflecting the 81% pass rate. Keeping on top of servicing will help avoid surprises.
JAGUAR XK8 Reliability Trend
The JAGUAR XK8 has maintained consistent MOT pass rates across model years, varying by only 0 percentage points.
Buying a Used 1998 JAGUAR XK8
At 26 years old, the JAGUAR XK8 is firmly in budget territory. Purchase prices are low, but check for rust, worn suspension bushes, and electrical gremlins. A full service history is especially valuable at this age. If you're flexible on year, the 2005 model has the highest pass rate at 84%.
Alternatives to the 1998 JAGUAR XK8
If reliability is your priority, there are 2 similar cars with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- PORSCHE 911 (1998) 85% pass rate (+4%) from 3,337 tests
- JAGUAR XJ (1998) 77% pass rate (-4%) from 2,154 tests
- LAND ROVER RANGE ROVER (1999) 79% pass rate (-2%) from 2,067 tests
- TVR CHIMAERA (1998) 92% pass rate (+11%) from 1,685 tests