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MOT reliability

Ford Fiesta st

636 vehicles · 818 completed MOT tests analysed
77%
MOT pass rate

Based on 636 Ford Fiesta st vehicles and 818 completed MOT tests, the Ford Fiesta st has an overall 77% pass rate, with an average recorded mileage of 96,165 miles.

636
Vehicles
818
MOT tests
4,879
Avg miles / year
0.7
Faults per test
4%
Dangerous-fault share

Ford Fiesta st problem areas

Where faults occur most across all Ford Fiesta st MOT tests:

  • Other31%
  • Tyres, wheels & suspension31%
  • Brakes18%
  • Lamps & electrical12%
  • Emissions & nuisance6%
  • Body & structure5%
  • Visibility3%
  • Steering2%

Ford Fiesta st pass rate by age

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

Age (years)TestsPass rate
21100%
32685%
42685%
53281%
63177%
72580%
81995%
92277%
102475%
111573%
121173%
131164%
141258%
151258%
16967%
17862%
18450%
19450%
201100%

Fuel types: Petrol (548), Other (88)

Most common Ford Fiesta st MOT faults

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

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (12 times)
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (11 times)
  3. Offside Rear Coil spring corroded (5.3.1 (b) (i)) (11 times)
  4. Nearside Rear Coil spring corroded (5.3.1 (b) (i)) (9 times)
  5. Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (8 times)
  6. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (8 times)
  7. Front Inner Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (8 times)
  8. Offside Rear Tyre worn close to the legal limit (4.1.E.1) (8 times)
  9. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e)) (7 times)
  10. Nearside Rear Nail in tyre (7 times)
  11. Nearside Front Tyre worn close to the legal limit (4.1.E.1) (7 times)
  12. Offside Front Tyre worn close to the legal limit (4.1.E.1) (7 times)
  13. Front Brake pad(s) wearing thin (1.1.13 (a) (ii)) (6 times)
  14. Rear Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii)) (5 times)
  15. Oil leak, but not excessive (8.4.1 (a) (i)) (5 times)

Ford Fiesta st pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
2020 1 3 100% 30,454
2019 2 11 100% 36,875
2018 3 22 82% 61,308
2016 1 13 62% 104,107
2015 6 62 85% 98,018
2014 2 27 78% 96,549
2009 1 19 79% 111,734
2008 2 41 73% 102,242
2006 4 95 68% 127,563

Ford Fiesta st reliability FAQ

Across 636 Ford Fiesta st vehicles in our MOT data, 77% pass the MOT (a 23% failure rate), with about 0.7 faults or advisories recorded per test.

The most frequently recorded Ford Fiesta st MOT issues are: Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e)); Offside Rear Coil spring corroded (5.3.1 (b) (i)).

The typical Ford Fiesta st in our data has covered around 96,165 miles.

Compare the Ford Fiesta st

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

Fiesta st vs Fiesta Fiesta st vs Focus Fiesta st vs Transit Fiesta st vs Mondeo

Check a specific Ford Fiesta st

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