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MOT reliability

Ford Siera

3 vehicles · 5 completed MOT tests analysed
60%
MOT pass rate

Based on 3 Ford Siera vehicles and 5 completed MOT tests, the Ford Siera has an overall 60% pass rate, with an average recorded mileage of 65,692 miles.

3
Vehicles
5
MOT tests
3,395
Avg miles / year
4
Faults per test
0%
Dangerous-fault share

Ford Siera problem areas

Where faults occur most across all Ford Siera MOT tests:

  • Other80%
  • Emissions & nuisance10%
  • Seatbelts & equipment5%
  • Tyres, wheels & suspension5%

Ford Siera pass rate by age

Age (years)TestsPass rate
14250%
17250%
181100%

Fuel types: Petrol (2), Diesel (1)

Most common Ford Siera MOT faults

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

  1. Emissions not tested (7.0) (1 times)
  2. Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
  3. Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a) (1 times)
  4. Nearside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
  5. Nearside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
  6. Nearside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (1 times)
  7. Nearside Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
  8. Offside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
  9. Offside Rear Suspension spring mounting prescribed area is excessively corroded (2.4.A.3) (1 times)
  10. Offside Rear Tyre tread depth below requirements of 1.6mm (4.1.E.1) (1 times)
  11. Offside Rear fog lamp not working (1.3.2b) (1 times)
  12. Offside Seat belt anchorage prescribed area is excessively corroded (5.2.6) (1 times)
  13. Parking brake: efficiency below requirements (3.7.B.7) (1 times)
  14. Service brake: efficiency below requirements (3.7.B.7) (1 times)
  15. Nearside Front Windscreen wiper does not clear the windscreen effectively (8.2.2) (1 times)

Ford Siera pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1991 2 2 50% 61,666
1989 1 3 67% 73,743

Ford Siera reliability FAQ

Across 3 Ford Siera vehicles in our MOT data, 60% pass the MOT (a 40% failure rate), with about 4 faults or advisories recorded per test.

The most frequently recorded Ford Siera MOT issues are: Emissions not tested (7.0); Nearside Front Suspension component mounting prescribed area is excessively corroded (2.4.A.3); Nearside Front suspension has excessive play in a lower suspension ball joint (2.5.B.1a).

The typical Ford Siera in our data has covered around 65,692 miles.

Compare the Ford Siera

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

Siera vs Fiesta Siera vs Focus Siera vs Transit Siera vs Mondeo

Check a specific Ford Siera

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