BENTLEY MULSANNE (1990)
Running costs, common problems, and reliability data based on 138 real MOT tests in 2024.
MOT Pass Rate
88%
Total Tests (2024)
138
Avg Mileage
78,194 mi
Est. Annual Cost
£2,247
Is the 1990 BENTLEY MULSANNE reliable?
Good reliability. Occasional issues but generally solid. That's 6 points above the national average of 82%. It falls below the BENTLEY brand average of 94%.
At 34 years old, 88% of BENTLEY MULSANNEs from 1990 passed their MOT first time in 2024. That's based on 138 tests across the UK. The average mileage at this age is 78,194 miles.
How does the 1990 BENTLEY MULSANNE compare?
Mileage Analysis
The average 1990 BENTLEY MULSANNE has 78,194 miles on the clock, which is significantly below the expected 251,600 miles for a 34-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 BENTLEY MULSANNE?
The most reliable year is the 2018 model with a 100% MOT pass rate, while the 1991 model has the lowest at 86%. The 1990 sits between the two at 88%.
How much does a 1990 BENTLEY MULSANNE 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.
BENTLEY MULSANNE by Year
Checking a specific BENTLEY MULSANNE?
Enter the reg plate to see its individual MOT history, mileage verification, and predicted costs.
About the 1990 BENTLEY MULSANNE
The 1990 BENTLEY MULSANNE is a luxury with a 6750cc petrol engine. 138 of these vehicles were MOT tested in 2024, making it a rare model on UK roads. It ranks in the top 14% of all 1990 cars for reliability.
With an average of 78,194 miles at 34 years old, BENTLEY MULSANNE 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.
1990 BENTLEY MULSANNE Fuel Costs
The 6750cc 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 1990 BENTLEY MULSANNE?
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 88% pass rate. Keeping on top of servicing will help avoid surprises.
BENTLEY MULSANNE Reliability Trend
Newer BENTLEY MULSANNEs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Buying a Used 1990 BENTLEY MULSANNE
At 34 years old, the BENTLEY MULSANNE 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 2018 model has the highest pass rate at 100%.
Alternatives to the 1990 BENTLEY MULSANNE
If reliability is your priority, there's one similar car with a higher MOT pass rate. Here are comparable petrol cars with similar engines:
- ROLLS ROYCE SILVER SPIRIT (1990) 87% pass rate (-1%) from 314 tests
- BENTLEY TURBO (1990) 93% pass rate (+5%) from 243 tests