Ford

Ford Sierra Sapphire Gls I — Reliability by Year

27,625 vehicles · MOT data 1987–1993 · first-test pass rates

This page shows MOT first-test pass rates for each year the Ford Sierra Sapphire Gls I was manufactured — click any year to explore that cohort in detail. Trying to decide which year to buy? See the full buying guide →

Best pass rate year
1989
95.0% pass rate · 6,776 vehicles
Lowest pass rate year
1988
68.8% pass rate · 8,308 vehicles
Year Pass rate Avg mileage Vehicles
1993
79.6%
46,105 mi 286
1992
79.3%
65,235 mi 1,706
1991
73.8%
57,360 mi 2,575
1990
83.3%
46,598 mi 3,817
1989
95.0%
61,128 mi 6,776
1988
68.8%
73,449 mi 8,308
1987
4,157

Which year Ford Sierra Sapphire Gls I is most reliable?

MOT pass rate by year of manufacture — averaged across each vehicle's lifetime of tests. Green = noticeably above average for this model; red = noticeably below average.

Tests range from an average of 46,105 miles (newest year) to 73,449 miles (oldest year). Older years naturally accumulate more tests at higher mileages — see the mileage-normalised breakdown →

Trying to decide which year to buy?

We've done the full analysis — which years to look for, which to avoid, and where to find the best value for reliability on a Ford Sierra Sapphire Gls I.

See the buying guide →

All Ford models

Check any UK registration — free MOT history and risk insights.