MOT fail rates

MG MOT fail rates by model

3 MG models, each at its most tested age, against all cars of that age. From 260,388 DVSA MOT tests taken 2022 to 2025. Open a model for every age, its most common fail items and other models at the same age.

MOT data updated 22 September 2026

MG models with at least 3 well-sampled ages. Share of MOT tests that failed.
Model	Age	MOT fail rate	Tests (n)	All cars	Difference
MG 3	3 years	15.1%	12,347	12.1%	+3.0 pts
MG TF	20 years	30.7%	8,863	42.8%	−12.1 pts
MG ZS	3 years	13.0%	55,218	12.1%	+0.9 pts

Read this with care. A fail rate is not a measure of build quality. How far cars are driven, how they are used and how well owners maintain them all change it, and wear items such as tyres and brake pads are common fails. Compare a model only with cars of the same age. Methodology and limits.

Source

Contains public sector information licensed under the Open Government Licence v3.0. Source: DVSA anonymised MOT test data, class 4 normal MOT tests, 2022 to 2025. MOT data updated 22 September 2026.

Not affiliated with or endorsed by DVSA. How we calculate these figures · Data sources