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Ford Sierra Sapphire Reliability, MOT Pass Rate & Common Faults

Free Ford Sierra Sapphire car check

Is the Ford Sierra Sapphire reliable? We analysed 45,605 real MOT tests across 9,774 vehicles to find out.

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Data last updated: · Based on 45,605 real MOT tests
MOT Pass Rate
70.4%
Typical Mileage
49,860mi
Annual Mileage
1,818mi/yr
Est. Lifespan
38yrs

The Ford Sierra Sapphire is about average for reliability based on real UK MOT data. Common problems include suspension component mounting prescribed area is excessively corroded, seat belt anchorage prescribed area is excessively corroded and tyre tread depth below requirements of 1.6mm. Here's everything you need to know before buying a used Ford Sierra Sapphire.

Ford Sierra Sapphire Number Plates

Number plates registered to a Ford Sierra Sapphire. Click on any registration for full vehicle details — including MOT history, mileage records, previous owners and damage history.

Ford Sierra Sapphire MOT Pass Rate by Year

How likely is a Ford Sierra Sapphire to pass its MOT? Here's the pass rate for each registration year, newest first.

73.7%
1994
69.4%
1993
69.1%
1992
68%
1991
70.2%
1990
74.2%
1989
74.7%
1988
62.4%
1987

Ford Sierra Sapphire Problems — What Goes Wrong?

The most common reasons a Ford Sierra Sapphire fails its MOT, ranked by how often they occur. Check for these problems before you buy.

Suspension component mounting prescribed area is excessively corroded 4,789
Seat belt anchorage prescribed area is excessively corroded 3,266
Tyre tread depth below requirements of 1.6mm 2,388
Subframe mounting prescribed area is excessively corroded 1,613
Brake pipe excessively corroded 1,568
Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings 1,245
Parking brake: efficiency below requirements 1,101
Windscreen wiper does not clear the windscreen effectively 1,041
Exhaust emissions carbon monoxide content excessive 974
position lamp(s) adversely affected by the operation of another lamp 897

Ford Sierra Sapphire Mileage — What's Normal?

How many miles does a typical Ford Sierra Sapphire owner drive per year? Use this to check if a car you're looking at has suspiciously low or high mileage.

Low usage
519 mi/yr
Typical
1,818 mi/yr
Average
3,114 mi/yr
Heavy usage
4,174 mi/yr

Ford Sierra Sapphire MOT Data by Registration Year

Full breakdown of pass rate and mileage for each year. Use this to compare the Ford Sierra Sapphire year you're looking at.

Year Tests Pass Rate Low Mi. Typical Mi. High Mi.
1994 57 73.7% 38,296 41,920 67,730
1993 2,860 69.4% 23,397 55,142 80,608
1992 10,033 69.1% 22,721 50,392 78,638
1991 10,062 68.0% 22,020 48,349 78,422
1990 10,701 70.2% 22,970 48,133 77,050
1989 7,672 74.2% 21,628 51,009 80,108
1988 3,726 74.7% 22,399 52,528 78,981
1987 335 62.4% 18,350 49,504 74,638

How Long Does a Ford Sierra Sapphire Last?

Based on 9,774 Ford Sierra Sapphire vehicles on UK roads.

Average
18.1 years
Median
16.0 years
Estimated max lifespan
38 years

Ford Sierra Sapphire Mileage Distribution

Total mileage recorded across all Ford Sierra Sapphire MOT tests. If the car you're looking at is above the 75th percentile, it's done more miles than most.

Median
49,860 mi
75th Percentile
78,430 mi
95th Percentile
96,935 mi
Max Recorded
994,354 mi

Best Year to Buy a Used Ford Sierra Sapphire

Based on MOT pass rates across all registration years with sufficient test data.

Best year
1988

74.7% MOT pass rate from 3,726 tests

Year to avoid
1987

62.4% MOT pass rate from 335 tests

The best year to buy a used Ford Sierra Sapphire is 1988, which has the highest MOT pass rate at 74.7% across 3,726 tests. The 1987 model year has the lowest pass rate at 62.4% — if you're looking at one from that year, budget for potential repairs and get a thorough pre-purchase inspection.

How Does the Ford Sierra Sapphire Compare?

MOT pass rates compared to similar models. Click any model for the full breakdown.

Model Pass Rate Tests Typical Mileage Lifespan
Ford Sierra Sapphire THIS CAR 70.4% 45,605 49,860 mi 38 yrs
Ford Fiesta 72.8% 33,753,820 57,529 mi 34 yrs
Ford Focus 73.8% 28,316,889 72,500 mi 27 yrs
Ford Transit 68.7% 16,371,688 100,614 mi 37 yrs
Renault Captur Iconic Tce 90.3% 29,396 26,250 mi — yrs

Compared to the Ford Fiesta (72.8% pass rate) and the Ford Focus (73.8% pass rate), the Ford Sierra Sapphire trails behind on MOT reliability.

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Should you buy a used Ford Sierra Sapphire?

The Ford Sierra Sapphire has an overall MOT pass rate of 70.4% across 45,605 real MOT tests — roughly in line with the UK average.

The most common problems on the Ford Sierra Sapphire are suspension component mounting prescribed area is excessively corroded (4,789 recorded failures), seat belt anchorage prescribed area is excessively corroded (3,266), and tyre tread depth below requirements of 1.6mm (2,388). These are the faults most likely to cause an MOT failure on this model, so check for them carefully on any test drive or pre-purchase inspection. Many are wear-and-tear items that can be budgeted for, but a car that's already failing on multiple fronts may signal neglected maintenance.

A typical Ford Sierra Sapphire owner drives around 1,818 miles per year. If the car you're looking at is significantly above this, expect more wear on suspension, brakes and tyres. If it's well below, the vehicle may have been sitting unused — check for perished rubber, corroded discs and stale fluids.

In terms of longevity, most Ford Sierra Sapphire models stay on UK roads for around 38 years — a strong showing that suggests solid build quality and readily available parts. If you're buying one that's already approaching that window, the data suggests it has plenty of life left provided it's been maintained.

Before committing to a purchase, we recommend running a full vehicle history check on the specific car. This will reveal any outstanding finance, stolen markers, write-off history and mileage discrepancies that the seller may not disclose — and that the MOT data alone can't tell you.

Ford Sierra Sapphire — Frequently Asked Questions

Is the Ford Sierra Sapphire reliable?
Based on 45,605 MOT tests, the Ford Sierra Sapphire has a 70.4% pass rate — about average for UK cars.
What are the common problems on a Ford Sierra Sapphire?
The most common MOT failures are suspension component mounting prescribed area is excessively corroded, seat belt anchorage prescribed area is excessively corroded, and tyre tread depth below requirements of 1.6mm. Check these on any test drive.
How many miles does a Ford Sierra Sapphire do per year?
The typical Ford Sierra Sapphire does around 1,818 miles per year. Anything significantly above or below this is worth investigating.
How long does a Ford Sierra Sapphire last?
Most Ford Sierra Sapphire models stay on UK roads for around 38 years based on our analysis of 9,774 vehicles.
Should I get a vehicle check before buying a Ford Sierra Sapphire?
Yes. An MOT pass rate tells you about the model in general, but a vehicle history check reveals the specific car's finance, stolen, write-off and mileage history — things the seller may not disclose.
What is the best year to buy a Ford Sierra Sapphire?
Based on MOT pass rates, the best year to buy a used Ford Sierra Sapphire is 1988 with a 74.7% pass rate across 3,726 tests.