Skip to content

MOT reliability

Bentley 8

20 vehicles · 291 completed MOT tests analysed
81%
MOT pass rate

Based on 20 Bentley 8 vehicles and 291 completed MOT tests, the Bentley 8 has an overall 81% pass rate, with an average recorded mileage of 130,716 miles.

20
Vehicles
291
MOT tests
955
Avg miles / year
1.1
Faults per test
1%
Dangerous-fault share

Bentley 8 problem areas

Where faults occur most across all Bentley 8 MOT tests:

  • Other72%
  • Tyres, wheels & suspension14%
  • Steering10%
  • Emissions & nuisance8%
  • Brakes7%
  • Lamps & electrical5%
  • Body & structure3%
  • Visibility2%

Bentley 8 pass rate by age

Age (years)TestsPass rate
15475%
16771%
17771%
18989%
191867%
201878%

Fuel types: Petrol (19), LPG (1)

Most common Bentley 8 MOT faults

These are the faults and advisories recorded most often across Bentley 8 MOT tests:

  1. Oil leak, but not excessive (8.4.1 (a) (i)) (17 times)
  2. Parking brake: efficiency below requirements (3.7.B.7) (11 times)
  3. Oil leak (9 times)
  4. Nearside Rear Tyre worn close to the legal limit (4.1.E.1) (7 times)
  5. Front Brake pad(s) wearing thin (3.5.1g) (6 times)
  6. Power steering component has slight seepage from a component (2.1.5 (a)) (5 times)
  7. Nearside Rear Wheel bearing has slight play (5.1.3 (a) (i)) (5 times)
  8. Offside Rear Shock absorber has a light misting of oil (2.7.3) (5 times)
  9. Nearside Front Front wheel bearing has slight play (2.5.A.3c) (4 times)
  10. Power steering pipe/hose has slight seepage (2.1.5 (a)) (4 times)
  11. Windscreen washer provides insufficient washer liquid (8.2.3) (4 times)
  12. Spare tyre defective (4 times)
  13. Fuel Pipe/s corroded (4 times)
  14. Nearside Rear Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii)) (4 times)
  15. Rear bumper insecure (3 times)

Bentley 8 pass rate by registration year

YearVehiclesTestsPass rateAvg mileage
1991 2 28 86% 145,659
1990 3 48 83% 79,064
1989 2 27 70% 413,284
1988 3 73 75% 84,169
1987 3 54 89% 132,116
1986 2 31 74% 101,535
1985 2 16 88% 108,470
1982 1 1 100% 86,088
1951 1 6 100% 55,343
1938 1 7 100% 48,946

Bentley 8 reliability FAQ

Across 20 Bentley 8 vehicles in our MOT data, 81% pass the MOT (a 19% failure rate), with about 1.1 faults or advisories recorded per test.

The most frequently recorded Bentley 8 MOT issues are: Oil leak, but not excessive (8.4.1 (a) (i)); Parking brake: efficiency below requirements (3.7.B.7); Oil leak.

The typical Bentley 8 in our data has covered around 130,716 miles.

Compare the Bentley 8

See how the Bentley 8 stacks up against other Bentley models on MOT reliability:


Check a specific Bentley 8

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

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