Bentley Mulsanne
Reliability, running costs, and MOT data across 14 years from 2,491 real MOT tests.
Avg Pass Rate
96%
Total Tests
2,491
Best Year
2018 (100%)
Years Covered
14
About the Bentley Mulsanne
The Bentley Mulsanne has been tested 2,491 times in 2026 MOT data across 14 model years (1990 to 2021), with an average pass rate of 96%. That's comfortably above the national average of 82%, making it a reliable choice. Available as petrol.
Best and Worst Years
The 2018 model is the most reliable with a 100% pass rate from 95 tests. The 1991 model has the lowest at 86%. The 14 point spread between years means reliability varies somewhat, but no year is dramatically different.
Reliability Trend
Newer BENTLEY MULSANNEs show better MOT pass rates than older ones, with an average improvement of 4 percentage points.
Mileage Across Years
The oldest model in our data (1990) averages 78,194 miles, while the newest (2021) averages 9,124 miles.
Estimated Running Costs
Based on 7,400 miles/year, current fuel prices, and MOT pass rate data. Insurance not included.
Full 2021 detailsHow reliable is the Bentley Mulsanne?
Bentley Mulsanne by Year
Click any year to see detailed running costs, reliability data, and comparisons with similar cars.
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