Gta Diagnostix Limited

Madog Motor Museum, Snowdon Street, Porthmadog, LL49 9DF

MOT classes tested here

Cars & vans

About this centre

Gta Diagnostix Limited appears on the DVSA register of active MOT test stations for Porthmadog (LL49). DVSA authorisation covers MOT testing of the vehicle classes listed above and nothing else.

The register records MOT authorisation only. We hold no verified record of whether this site carries out servicing, repairs or tyre work, its prices, opening hours or availability - contact it directly to confirm.

Record details

DVSA site number: V107678
Postcode district: LL49
Classes tested: Cars & vans
Source release: 26 February 2026

Every field above comes from the DVSA register. Serviced247 adds no prices, ratings or service claims of its own to this record.

More MOT information for Porthmadog

Helpful car maintenance guides

Independent Serviced247 guides on what each job involves. Being on the DVSA MOT register does not mean a centre carries out these services - confirm directly with the garage.