MOT reliability
Bentley 4.5
16 vehicles · 105 completed MOT tests analysed
93%
MOT pass rate
Based on 16 Bentley 4.5 vehicles and 105 completed MOT tests, the Bentley 4.5 has an overall 93% pass rate, with an average recorded mileage of 31,602 miles.
16
Vehicles
105
MOT tests
1,053
Avg miles / year
0.1
Faults per test
0%
Dangerous-fault share
Bentley 4.5 problem areas
Where faults occur most across all Bentley 4.5 MOT tests:
-
Other220%
-
Brakes7%
Bentley 4.5 pass rate by age
| Age (years) | Tests | Pass rate |
|---|---|---|
| 8 | 1 | 100% |
| 9 | 1 | 100% |
| 10 | 1 | 100% |
| 11 | 1 | 100% |
| 12 | 1 | 100% |
| 13 | 1 | 100% |
| 14 | 1 | 100% |
| 15 | 1 | 100% |
| 16 | 1 | 100% |
| 17 | 1 | 100% |
| 18 | 2 | 100% |
| 19 | 2 | 100% |
Fuel types: Petrol (16)
Most common Bentley 4.5 MOT faults
These are the faults and advisories recorded most often across Bentley 4.5 MOT tests:
- Nearside Headlamp not working on dipped beam (1.7.5a) (3 times)
- Steering system has slight free play detected at steering wheel (2.2.A.1a) (3 times)
- Oil leak (2 times)
- Nearside Front Headlamp not working on main beam (1.7.5a) (2 times)
- Nearside Stop lamp not working (1.2.1b) (1 times)
- Offside Headlamp aim too high (1.8) (1 times)
- Slight play in both front king pins. (1 times)
- Offside Front Track rod end ball joint has slight play (2.2.B.1f) (1 times)
- Dampness around o/s of fuel tank (1 times)
- Off side rear brake binding slightly (1 times)
- Nearside Front Wheel insecure (4.2.A.1c) (1 times)
- Nearside Rear Wheel insecure (4.2.A.1c) (1 times)
- Offside Front Wheel insecure (4.2.A.1c) (1 times)
- Offside Rear Wheel insecure (4.2.A.1c) (1 times)
- All position lamps not working (1.1.A.3b) (1 times)
Bentley 4.5 pass rate by registration year
| Year | Vehicles | Tests | Pass rate | Avg mileage |
|---|---|---|---|---|
| 1999 | 1 | 12 | 100% | 64,567 |
| 1988 | 1 | 4 | 100% | 93,641 |
| 1984 | 1 | 7 | 100% | 16,480 |
| 1983 | 1 | 9 | 89% | 6,605 |
| 1975 | 1 | 7 | 100% | 5,602 |
| 1931 | 1 | 1 | 100% | — |
| 1930 | 3 | 24 | 88% | 51,435 |
| 1929 | 2 | 12 | 100% | 26,281 |
| 1928 | 3 | 14 | 100% | 12,024 |
| 1927 | 1 | 7 | 71% | 26,921 |
| 1926 | 1 | 8 | 88% | 17,285 |
Bentley 4.5 reliability FAQ
Across 16 Bentley 4.5 vehicles in our MOT data,
93% pass the MOT (a 7% failure rate), with about
0.1 faults or advisories recorded per test.
The most frequently recorded Bentley 4.5 MOT issues are:
Nearside Headlamp not working on dipped beam (1.7.5a); Steering system has slight free play detected at steering wheel (2.2.A.1a); Oil leak.
The typical Bentley 4.5 in our data has covered around
31,602 miles.
Compare the Bentley 4.5
See how the Bentley 4.5 stacks up against other Bentley models on MOT reliability:
Check a specific Bentley 4.5
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