BYD Seal U Comfort Dm-I Phev Auto reliability and MOT data
Time Period & Model
Time period snapshot: Last 5 years
Manufacturer: BYD
Model: Seal U Comfort Dm-I Phev Auto
Model reliability rank
50
MOT-based rank from 381 selected-period tests.
Overall MOT pass rate
89.0%
Share of this model's 381 selected-period MOT tests that pass.
Efficiency, emissions & tax
Average MPG
424.1 mpg
CO2 emission
18 g/km
Euro emissions
Euro 6
Tax cost
£200/yr
Average vehicle miles
34,685
Lower average mileage in the analysed fleet.
Life expectancy miles
Not enough data
Not enough older-vehicle data for an expectancy estimate.
Average vehicle age
0.3
Shorter age profile in the current analysed pool.
Market share
0.03%
0.03% share within the active represented vehicle pool.
Vehicles represented
13,293
128 valid MOT, 13,165 under 3 years.
Tests analysed
381
381 MOT tests in the selected period.
Rarity ranking
Based on Make & Model
Scarce
13,293On the road
Insight summary
BYD Seal U Comfort Dm-I Phev Auto is a scarce model in this snapshot, with 13,293 represented vehicles and 0.03% of the active UK pool tracked by AutoRank. For the last 5 years, it has a pass rate of 89.0% from 381 MOT tests, with a reliability score of 50. The current pool shows an average of 34,685 miles and an average age of 0.3 years. Hybrid electric leads the fuel split, and the most frequent defect themes are lighting, engine warning light and tyre condition. The practical read is that the BYD Seal U Comfort Dm-I Phev Auto looks like a solid used-car baseline rather than a rare find, with age, mileage and common wear items doing most of the explaining.
Fuel type breakdown (by model)
| Fuel | Vehicles |
|---|---|
| HYBRID ELECTRIC (CLEAN) | 13,293 |
Euro NCAP Safety
Adult
90%
Children
86%
Pedestrian
83%
Safety systems
77%
No NCAP tests found for this model.
Top 25 most common defects (by model)
| Defect | Count |
|---|---|
| Offside Headlamp aim too high (4.1.2 (a)) | 4 |
| Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g)) | 3 |
| Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) | 3 |
| Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Nearside Front Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i)) | 2 |
| Nearside Headlamp aim too low (4.1.2 (a)) | 2 |
| Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) | 2 |
| Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i)) | 2 |
| Offside Front Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i)) | 2 |
| Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e)) | 2 |
| Offside Headlamp aim too low (4.1.2 (a)) | 2 |
| Offside Rear Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) | 2 |
| Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h)) | 2 |
| Central Front Registration plate does not conform to the specified requirements (0.1 (d)) | 1 |
| Central Rear Registration plate does not conform to the specified requirements (0.1 (d)) | 1 |
| Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a)) | 1 |
| Exhaust system insecure sleeve ( centre (6.1.2 (a)) | 1 |
| Front Brake disc significantly and obviously worn (1.1.14 (a) (i)) | 1 |
| Front Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii)) | 1 |
| Front Windscreen damaged but not adversely affecting driver's view Chip (3.2 (a) (i)) | 1 |
| Nearside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i)) | 1 |
| Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c)) | 1 |
| Nearside Front Headlamp aim too far to the right (4.1.2 (a)) | 1 |
| Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii)) | 1 |
| Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt Boot insecure (6.1.7 (g) (ii)) | 1 |
01
Offside Headlamp aim too high (4.1.2 (a))
9.5% of displayed top 25
4
02
Engine MIL inoperative or indicates a malfunction (8.2.2.2 (g))
7.1% of displayed top 25
3
03
Offside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
7.1% of displayed top 25
3
04
Nearside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))
4.8% of displayed top 25
2
05
Nearside Front Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))
4.8% of displayed top 25
2
06
Nearside Headlamp aim too low (4.1.2 (a))
4.8% of displayed top 25
2
07
Nearside Rear Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
4.8% of displayed top 25
2
08
Offside Front Lower Suspension arm ball joint excessively worn (5.3.4 (a) (i))
4.8% of displayed top 25
2
09
Offside Front Outer Drive shaft joint constant velocity boot severely deteriorated (6.1.7 (g) (i))
4.8% of displayed top 25
2
10
Offside Front Tyre tread depth below requirements of 1.6mm (5.2.3 (e))
4.8% of displayed top 25
2
11
Offside Headlamp aim too low (4.1.2 (a))
4.8% of displayed top 25
2
12
Offside Rear Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii))
4.8% of displayed top 25
2
13
Tyre pressure monitoring system malfunctioning or obviously inoperative (5.2.3 (h))
4.8% of displayed top 25
2
14
Central Front Registration plate does not conform to the specified requirements (0.1 (d))
2.4% of displayed top 25
1
15
Central Rear Registration plate does not conform to the specified requirements (0.1 (d))
2.4% of displayed top 25
1
16
Exhaust carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits (8.2.1.2 (a))
2.4% of displayed top 25
1
17
Exhaust system insecure sleeve ( centre (6.1.2 (a))
2.4% of displayed top 25
1
18
Front Brake disc significantly and obviously worn (1.1.14 (a) (i))
2.4% of displayed top 25
1
19
Front Brake pad(s) less than 1.5 mm thick (1.1.13 (a) (ii))
2.4% of displayed top 25
1
20
Front Windscreen damaged but not adversely affecting driver's view Chip (3.2 (a) (i))
2.4% of displayed top 25
1
21
Nearside Front Anti-roll bar linkage ball joint dust cover severely deteriorated (5.3.4 (b) (i))
2.4% of displayed top 25
1
22
Nearside Front Headlamp aim projected beam image is obviously incorrect (4.1.2 (c))
2.4% of displayed top 25
1
23
Nearside Front Headlamp aim too far to the right (4.1.2 (a))
2.4% of displayed top 25
1
24
Nearside Front Headlamp not working on main beam (4.1.1 (a) (ii))
2.4% of displayed top 25
1
25
Nearside Front Outer Drive shaft joint constant velocity boot split or insecure, no longer prevents the ingress of dirt Boot insecure (6.1.7 (g) (ii))
2.4% of displayed top 25
1
Last 5 years
Reliability rank breakdown
BYD Seal U Comfort Dm-I Phev Auto reliability, calculated from MOT results for this static model view.