BAOTIAN BT 50 QT-11

50cc Petrol Class 1

#5047 of 5426 overall #11 of 17 BAOTIANs #337 of 455 moped bikes

64.2%

first-time pass rate

26.8%

failed outright

2,744

median miles at test

653

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2008–2015

The BT 50 QT-11's first-time pass rate has fallen 6.1 points since 2008, 67.4% to 61.3%.

What fails on a BT 50 QT-11

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	189	38	4.1×
steering and suspension	112	22.5	3.7×
brakes	89	17.9	2.3×
tyres and wheels	49	9.8	3.1×
driving controls	13	2.6	8.5×
Items Not Tested	11	2.2	13.3×
fuel and exhaust	10	2	2.0×
body and structure	10	2	2.9×
structure and attachments	8	1.6	0.9×
reg plates and vin	7	1.4	1.9×

Defects recorded against failed normal tests, 2005–2025, grouped by DVSA inspection section. One test can record multiple defects. "vs all bikes" is how often this model's tests record a defect in the group, as a multiple of the all-bike rate.

How rivals compare

same type, similar capacity, high test volume

On first-time pass rate the BT 50 QT-11 beats 0 of its 4 closest rivals (PEUGEOT SPEEDFIGHT, PIAGGIO ZIP, PIAGGIO NRG).

PEUGEOT SPEEDFIGHT 65.2% pass · 83.7k tests PIAGGIO ZIP 71.3% pass · 79.0k tests PIAGGIO NRG 65.5% pass · 40.5k tests PEUGEOT VIVACITY 70.4% pass · 29.7k tests

Rivals share this bike's type and sit within ±30% of its engine capacity, ≥ 5,000 tests. Card colour = better/worse first-time pass rate than the BT 50 QT-11.

Pass rate by registration year

how each model-year cohort fares · registration year from first use date

Best year to buy used: 2005 (68.5% pass). Weakest: 2006 (60.9%).

First-time pass rate by the year each bike was first registered (cohorts with ≥ 50 tests). Older cohorts are survivors: the worst examples have already left the road, which tends to lift the earliest years.

BAOTIAN BT 50 QT-11 FAQ

answers computed from the data above · terms in the glossary

Is the BAOTIAN BT 50 QT-11 reliable?

The BAOTIAN BT 50 QT-11 is less reliable than average for its class: 64.2% of its 653 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #5047 of 5426 models.

What does a BT 50 QT-11 fail its MOT on most?

lighting and signalling — 38% of all defects recorded against failed BT 50 QT-11 tests.

What is the best year of BT 50 QT-11 to buy used?

By first-time pass rate, 2005-registered examples do best (68.5%) and 2006 worst (60.9%). Condition and history still trump the year.