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MOT reliability

Austin J4

8 vehicles · 32 completed MOT tests analysed
81%
MOT pass rate

Based on 8 Austin J4 vehicles and 32 completed MOT tests, the Austin J4 has an overall 81% pass rate, with an average recorded mileage of 54,854 miles.

8
Vehicles
32
MOT tests
900
Avg miles / year
1.5
Faults per test
0%
Dangerous-fault share

Austin J4 problem areas

Where faults occur most across all Austin J4 MOT tests:

  • Other121%
  • Emissions & nuisance8%
  • Seatbelts & equipment8%

Fuel types: Petrol (8)

Most common Austin J4 MOT faults

These are the faults and advisories recorded most often across Austin J4 MOT tests:

  1. Horn not working (1.6.2a) (3 times)
  2. Steering system has slight free play detected at steering wheel (2.2.A.1a) (3 times)
  3. Windscreen washer provides insufficient washer liquid (8.2.3) (2 times)
  4. Battery insecure (2 times)
  5. Nearside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2) (2 times)
  6. Offside Front Suspension arm rubber bush deteriorated but not resulting in excessive movement (2.4.G.2) (2 times)
  7. Nearside Track rod end ball joint has excessive play (2.2.B.1f) (2 times)
  8. Front Inner Vehicle structure has slight corrosion sill (6.1.B.2) (2 times)
  9. slight underbody corrosion (2 times)
  10. Front registration plate insecure (6.3.1b) (1 times)
  11. Nearside front brake binding (3.7.B.1) (1 times)
  12. coolant leaking (1 times)
  13. Nearside Rear Brake pipe inadequately clipped (3.6.B.1) (1 times)
  14. Windscreen has a sticker or other obstruction encroaching into the swept area by more than 40mm outside zone 'A' (8.3.1e) (1 times)
  15. Front Brake pipe slightly corroded (3.6.B.2c) (1 times)

Austin J4 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1972 2 4 100% 61,635
1970 1 6 83% 66,112
1966 2 4 50% 38,107
1965 1 11 91% 73,660
1962 2 7 71% 49,790

Austin J4 reliability FAQ

Across 8 Austin J4 vehicles in our MOT data, 81% pass the MOT (a 19% failure rate), with about 1.5 faults or advisories recorded per test.

The most frequently recorded Austin J4 MOT issues are: Horn not working (1.6.2a); Steering system has slight free play detected at steering wheel (2.2.A.1a); Windscreen washer provides insufficient washer liquid (8.2.3).

The typical Austin J4 in our data has covered around 54,854 miles.

Compare the Austin J4

See how the Austin J4 stacks up against other Austin models on MOT reliability:

J4 vs Metro city J4 vs Montego l J4 vs Metro l J4 vs Maestro l

Check a specific Austin J4

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

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