
Ford Sierra reliability by build year
Ford Sierra built before 2000: fails its MOT less often than average
Ford Sierras built before 2000 fail their MOT less often than similar cars the same age. An independent inspection matters more than the wider numbers on cars this old.
Key figure
12% of MOT tests on Ford Sierras built before 2000 ended in a fail (retests included), against 25% for similar cars the same age.
Most common issue
The most common MOT issue on Ford Sierras built before 2000 involves fluid leaks.





