BAOTIAN BT 49 QT-9D

49cc Petrol Class 1

#4958 of 5426 overall #7 of 17 BAOTIANs #303 of 455 moped bikes

66.1%

first-time pass rate

24.4%

failed outright

5,830

median miles at test

2,374

MOT tests, 2005–2025

Pass rate over time

first-time pass rate by test year · 2011–2023

The BT 49 QT-9D's first-time pass rate has risen 17.9 points since 2011, 60.9% to 78.8%.

Pass rate by mileage

how the BT 49 QT-9D's first-time pass rate falls with the odometer · class average 73.4%

A low-mileage BT 49 QT-9D passes first time 68.0% of the time; by 20k that's 54.3%.

First-time pass rate by odometer reading at test, 10,000-mile bands for this model. Mileage is the strongest reliability signal. See the full curve.

What fails on a BT 49 QT-9D

failure defects by component group · advisories excluded

Component group	Defects	% of defects	vs all bikes
lighting and signalling	577	35.4	3.3×
steering and suspension	356	21.9	3.3×
brakes	299	18.4	2.1×
tyres and wheels	152	9.3	2.4×
lamps and reflectors	92	5.6	1.2×
fuel and exhaust	55	3.4	2.9×
suspension	45	2.8	1.7×
structure and attachments	26	1.6	1.3×
body and structure	16	1	1.3×
tyres	11	0.7	0.7×

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 49 QT-9D beats 2 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 49 QT-9D.

Pass rate by registration year

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

Best year to buy used: 2011 (70.7% pass). Weakest: 2008 (61.6%).

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 49 QT-9D FAQ

answers computed from the data above · terms in the glossary

Is the BAOTIAN BT 49 QT-9D reliable?

The BAOTIAN BT 49 QT-9D is less reliable than average for its class: 66.1% of its 2,374 MOT tests (2005–2025) passed first time, against a class average of 73.4%. That ranks it #4958 of 5426 models.

What does a BT 49 QT-9D fail its MOT on most?

lighting and signalling — 35% of all defects recorded against failed BT 49 QT-9D tests.

What is the best year of BT 49 QT-9D to buy used?

By first-time pass rate, 2011-registered examples do best (70.7%) and 2008 worst (61.6%). Condition and history still trump the year.

How many miles will a BT 49 QT-9D last?

The median BT 49 QT-9D shows 5,830 miles at test, and examples around 20k miles still pass 54.3% of the time — mileage alone rarely kills one.