Data as of: DVSA MOT results to 2025
Baotian BT 49 QT-12D Tanco vs Peugeot Speedfight
The Peugeot Speedfight passes its MOT first time more often than the Baotian BT 49 QT-12D Tanco: 65.2% vs 64.9%, a 0.3-point lead.
MOT reliability, side by side
| Metric | Baotian BT 49 QT-12D Tanco | Peugeot Speedfight |
|---|---|---|
| First-time pass rate | 64.9% | 65.2% |
| Outright fail rate | 28.5% | 26.3% |
| Vs comparable bikes (age & mileage adjusted) | -9.4 pts | -5.3 pts |
| Engine size | 49cc | 49cc |
| Rank among all models | #5021 of 5428 | #5008 of 5428 |
| Median miles at test | 6,119 | 13,547 |
| MOT tests analysed | 242 | 83,728 |
| Most common failure | lighting and signalling | lighting and signalling |
First-time outcomes on normal tests, 2005–2025. "Most common failure" is the component group with the most recorded defects on failed tests. Read pass rates against test counts: a smaller sample is noisier. Source: DVSA anonymised MOT results.
"Vs comparable bikes" is the first-time pass rate minus the rate expected for each bike's own mix of age, mileage and test class, in percentage points: positive means better than comparable bikes. How this works.
Pass rate by test year
| Test year | Baotian BT 49 QT-12D Tanco | Peugeot Speedfight |
|---|---|---|
| 2014 | 52.4% | 61.7% |
| 2015 | 63.9% | 64.4% |
| 2016 | 73.3% | 63.0% |
Each year mixes bikes of different ages, so a fleet that is getting older tends to slip.
Pass rate by mileage
| Mileage | Baotian BT 49 QT-12D Tanco | Peugeot Speedfight |
|---|---|---|
| 0k-10k miles | 63.5% | 73.1% |
| 10k-20k miles | 69.4% | 63.3% |
Bands with fewer than 30 tests for either bike are left out.
See each bike's full report (trend, mileage curve, failure breakdown and rivals) on its own page.