CADILLAC SEVILLE STS V8 AUTO (1999)
Running costs, common problems, and reliability data based on 46 real MOT tests in 2024.
MOT Pass Rate
89%
Total Tests (2024)
46
Avg Mileage
77,584 mi
Est. Annual Cost
£2,247
Is the 1999 CADILLAC SEVILLE STS V8 AUTO reliable?
Good reliability. Occasional issues but generally solid. That's 7 points above the national average of 82%.
At 25 years old, 89% of CADILLAC SEVILLE STS V8 AUTOs from 1999 passed their MOT first time in 2024. That's based on 46 tests across the UK. The average mileage at this age is 77,584 miles.
How does the 1999 CADILLAC SEVILLE STS V8 AUTO compare?
Mileage Analysis
The average 1999 CADILLAC SEVILLE STS V8 AUTO has 77,584 miles on the clock, which is significantly below the expected 185,000 miles for a 25-year-old car. Low-mileage examples may have spent time sitting unused, so check for issues like corroded brakes or perished rubber seals.
How much does a 1999 CADILLAC SEVILLE STS V8 AUTO 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.
Checking a specific CADILLAC SEVILLE STS V8 AUTO?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 1999 CADILLAC SEVILLE STS V8 AUTO
The 1999 CADILLAC SEVILLE STS V8 AUTO is a performance with a 4565cc petrol engine. 46 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 11% of all 1999 cars for reliability.
With an average of 77,584 miles at 25 years old, CADILLAC SEVILLE STS V8 AUTO 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.
1999 CADILLAC SEVILLE STS V8 AUTO Fuel Costs
The 4565cc 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 1999 CADILLAC SEVILLE STS V8 AUTO?
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 89% pass rate. Keeping on top of servicing will help avoid surprises.
Buying a Used 1999 CADILLAC SEVILLE STS V8 AUTO
At 25 years old, the CADILLAC SEVILLE STS V8 AUTO 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. Note: with only 46 tests in our data, these figures should be treated as indicative rather than definitive.
Alternatives to the 1999 CADILLAC SEVILLE STS V8 AUTO
The CADILLAC SEVILLE STS V8 AUTO is actually the most reliable option among similar petrol performances from this era. Here are comparable petrol cars with similar engines:
- MERCEDES SL (1997) 87% pass rate (-2%) from 2,117 tests
- TVR CHIMAERA (1999) 88% pass rate (-1%) from 1,468 tests
- TOYOTA LAND CRUISER (1998) 78% pass rate (-11%) from 1,301 tests
- MERCEDES ML (2001) 77% pass rate (-12%) from 1,002 tests