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MOT reliability

Ford Sierra sapphire

12,953 vehicles · 45,649 completed MOT tests analysed
70%
MOT pass rate

Based on 12,953 Ford Sierra sapphire vehicles and 45,649 completed MOT tests, the Ford Sierra sapphire has an overall 70% pass rate, with an average recorded mileage of 60,102 miles.

12,953
Vehicles
45,649
MOT tests
4,197
Avg miles / year
1.9
Faults per test
0%
Dangerous-fault share

Ford Sierra sapphire problem areas

Where faults occur most across all Ford Sierra sapphire MOT tests:

  • Other109%
  • Tyres, wheels & suspension6%
  • Seatbelts & equipment4%
  • Emissions & nuisance4%
  • Steering3%
  • Brakes3%
  • Body & structure1%
  • Lamps & electrical1%

Ford Sierra sapphire pass rate by age

How the Ford Sierra sapphire's MOT pass rate changes as it ages (buckets with 20+ tests).

Age (years)TestsPass rate
41100%
51100%
6475%
7650%
82100%
9367%
101100%
111070%
1221466%
131,70768%
144,17767%
155,73866%
166,15365%
175,52967%
184,49468%
193,28969%
202,40669%

Fuel types: Petrol (12,303), Diesel (645), Other (3), LPG (2)

Most common Ford Sierra sapphire MOT faults

These are the faults and advisories recorded most often across Ford Sierra sapphire MOT tests:

  1. Oil leak (1,632 times)
  2. Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1,527 times)
  3. Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1,395 times)
  4. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (1,299 times)
  5. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (1,294 times)
  6. Offside Front Brake hose slightly deteriorated (3.6.B.4d) (1,192 times)
  7. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (1,158 times)
  8. Fuel pipe/s corroded (1,146 times)
  9. Nearside Front Brake hose slightly deteriorated (3.6.B.4d) (1,130 times)
  10. Exhaust emissions carbon monoxide content excessive (7.3.B.1a) (1,101 times)
  11. Parking brake: efficiency below requirements (3.7.B.7) (1,098 times)
  12. Offside Front Tyre worn close to the legal limit (4.1.E.1) (1,046 times)
  13. Nearside Rear Brake pipe slightly corroded (3.6.B.2c) (818 times)
  14. Offside Rear Brake pipe slightly corroded (3.6.B.2c) (730 times)
  15. Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1) (663 times)

Ford Sierra sapphire pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2001 1 25 76% 41,648
2000 1 3 67% 60,509
1999 1 4 50% 23,244
1998 1 2 50% 90,795
1997 1 2 100% 45,358
1996 1 5 60% 45,839
1995 4 20 90% 77,159
1994 9 57 74% 59,381
1993 689 2,866 69% 61,107
1992 2,271 10,044 69% 61,108
1991 2,285 10,089 68% 58,301
1990 2,252 10,710 70% 59,506
1989 1,412 7,674 74% 61,703
1988 725 3,752 75% 61,709
1987 95 335 62% 52,243
1986 4 12 67% 37,967
1985 1 7 100% —
1984 3 8 75% 42,858
1983 1 1 100% 13,705
1971 6 25 68% 57,864

Ford Sierra sapphire reliability FAQ

Across 12,953 Ford Sierra sapphire vehicles in our MOT data, 70% pass the MOT (a 30% failure rate), with about 1.9 faults or advisories recorded per test.

The most frequently recorded Ford Sierra sapphire MOT issues are: Oil leak; Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3); Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3).

The typical Ford Sierra sapphire in our data has covered around 60,102 miles.

Compare the Ford Sierra sapphire

See how the Ford Sierra sapphire stacks up against other Ford models on MOT reliability:

Sierra sapphire vs Fiesta Sierra sapphire vs Focus Sierra sapphire vs Transit Sierra sapphire vs Mondeo

Check a specific Ford Sierra sapphire

Enter a registration to see that exact vehicle's full MOT history, advisories and recurring faults.

See all Ford models · Learn about common MOT failures · what an MOT checks