League table/CPI
Make report · 2005–2025
CPI
61.2%
first-time pass rate
28.9%
failed outright
8,526
MOT tests, 2005–2025
CPI at a glance
Most reliable model
BRAVO
72.6% pass
Least reliable model
SX 50
47.2% pass
Most tested model
OLIVER
1,135 tests
Among CPI models with ≥ 100 tests.
What fails a CPI
failure defects across all CPI models · advisories excluded
lighting and signalling is CPI's most common failure — 15.1% of all CPI tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
15.1 | see ranking |
| steering and suspension |
|
12.6 | see ranking |
| brakes |
|
10.9 | see ranking |
| tyres and wheels |
|
4.7 | see ranking |
| lamps and reflectors |
|
2.6 | see ranking |
Top failure groups aggregated across every CPI model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
CPI models, ranked by test volume
21 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| OLIVER |
|
60.2 | 29.3 | 6,058 | 1,135 |
| SM 50 |
|
52.8 | 37.7 | 5,094 | 741 |
| GTR |
|
62.2 | 30.1 | 4,519 | 621 |
| SUPERMOTO |
|
53.0 | 35.4 | 5,748 | 455 |
| FORMULA R 50 |
|
57.0 | 29.1 | 5,242 | 440 |
| POPCORN |
|
63.5 | 26.0 | 8,016 | 427 |
| HUSSAR JR 50 |
|
65.3 | 27.3 | 9,087 | 400 |
| ARAGON 50 GP |
|
65.4 | 24.9 | 4,838 | 393 |
| ARAGON |
|
66.8 | 25.1 | 5,066 | 371 |
| BRAVO |
|
72.6 | 20.2 | 4,264 | 307 |
| ARAGON 125 |
|
63.5 | 22.9 | 6,814 | 288 |
| ARAGON 50 |
|
63.5 | 26.7 | 5,172 | 277 |
| SUV |
|
59.3 | 32.6 | 2,663 | 258 |
| SX 50 |
|
47.2 | 41.9 | 4,818 | 229 |
| BRAVO 50 |
|
72.4 | 20.1 | 5,088 | 199 |
| OLIVER CITY |
|
59.9 | 30.7 | 5,005 | 137 |
| SUPERCROSS |
|
60.6 | 31.4 | 6,080 | 137 |
| FORMULA |
|
61.8 | 27.2 | 3,144 | 136 |
| BRAVO 125 |
|
57.7 | 28.5 | 4,884 | 130 |
| HUSSAR |
|
64.3 | 32.1 | 9,123 | 112 |
| SUV 125 |
|
53.6 | 32.7 | 2,764 | 110 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.