League table/BETA
Make report · 2005–2025
BETA
82.4%
first-time pass rate
9.1%
failed outright
13.1k
MOT tests, 2005–2025
BETA at a glance
Most reliable model
MOTARD 4.0
91.6% pass
Least reliable model
ARK
69.1% pass
Most tested model
RR
3,198 tests
Among BETA models with ≥ 100 tests.
What fails a BETA
failure defects across all BETA models · advisories excluded
lamps and reflectors is BETA's most common failure — 3% of all BETA tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lamps and reflectors |
|
3 | see ranking |
| suspension |
|
2.3 | see ranking |
| lighting and signalling |
|
1.8 | see ranking |
| brakes |
|
1.8 | see ranking |
| steering and suspension |
|
1.5 | see ranking |
Top failure groups aggregated across every BETA model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
BETA models, ranked by test volume
17 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| RR |
|
80.9 | 10.4 | 1,635 | 3,198 |
| XTRAINER |
|
81.2 | 10.2 | 1,725 | 1,959 |
| ALP 4T-200 |
|
81.5 | 9.5 | 3,872 | 1,144 |
| EVO |
|
90.7 | 4.6 | 113 | 953 |
| REV-3 |
|
87.5 | 6.7 | 71 | 714 |
| ALP |
|
79.7 | 7.3 | 4,459 | 646 |
| ALP 4.0 |
|
80.1 | 6.5 | 6,550 | 336 |
| RR 4T 450 |
|
86.6 | 8.9 | 3,059 | 313 |
| RR 2T 200 |
|
75.5 | 11.3 | 1,051 | 204 |
| EVO 2T 250 |
|
88.0 | 3.3 | 82 | 184 |
| T9 ALP 4T 200 |
|
87.6 | 4.5 | 1,330 | 177 |
| ARK |
|
69.1 | 20.6 | 7,865 | 136 |
| RR 4T 400 |
|
75.0 | 9.4 | 2,947 | 128 |
| RR 4T 525 |
|
83.0 | 5.4 | 2,220 | 112 |
| MOTARD 4.0 |
|
91.6 | 3.7 | 6,856 | 107 |
| REV |
|
89.1 | 7.9 | 55 | 101 |
| EURO |
|
80.0 | 9.0 | 9,892 | 100 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.