About Us

Established independent automotive repair centre with over twenty years experience in the automotive industry

A1 Diagnostics are an independent automotive repair centre based in Cardiff and are situated opposite the Cardiff City Stadium on Sloper Road.

As a BOSCH car service centre we provide vehicle diagnostics, specialist skills in vehicle maintenance and repairs for all makes of vehicles especially German manufactured vehicles from Audi, Mercedes, BMW, Volkswagen, Skoda and more.

We invest in the best technology & training ensuring all of our mechanics and vehicle technicians have the best facilities to undertake even the most demanding of jobs.

We are an award winning garage

We recently won a national award for the category "Best in Auto Repair Services" in the entire United Kingdom. Not only do we offer the best and most reliable vehicle servicing in Wales but also in the entire UK.

This award clearly demonstrates that we are a turn to independent specialist garage and can offer you a first class service ensuring your vehicle is running perfectly out on the road.

If you need any advice regarding your vehicle why not give us a call, drop us an email or visit our garage we are happy to show you our facility. We have over twenty years of experience in the vehicle servicing trade and can help you with any queries.

Book your vehicle in today

We can help you with any vehicle dilemma you are experiencing. We have 11 ramps at the garage and can service up to 20 vehicles a day from our garage workshop. There is no job too big or too small for us to undertake from engine rebuilds to bulb replacements.

Here at A1 Diagnostics, there are no hidden charges. We can help you save on the cost of an expensive visit to your main dealer and get you back on the road for less. If you need any advise regarding your vehicle and its maintenance needs then please get in touch.

Having the latest and most up-to-date technologies helps ensure we offer the most reliable vehicle servicing and repairs. We aim to pinpoint the exact faults using dealer level diagnostics and the knowledge of our trained experienced technicians who have trained with the Bosch academy to carry out diagnostic to repair with accuracy and efficacy.

Over the last 5 years we have invested in a state of the art vehicle electronic bay, having these type of facilities at our garage based in Cardiff ensures we offer reliable vehicle servicing & repairs to our customers.

If parts are required on your car we will replace those parts with high quality parts as originally fitted with the vehicle. We work to an Office of Fair Trading approved Consumer Code of Practice giving our customers peace of mind knowing that you are going to be given not only the best technical service, but also the best customer service.

If you want affordability combined with the highest technical and customer service standards, then why not call us today. We have over twenty years experience in the automotive industry with mechanics working under our roof that have a combined knowledge of 75 years between them working in the motor trade.

Whatever the problem we can help.

We work to a Office of Fair Trading approved Consumer Code of Practice

As we mentioned earlier we work to an Office of Fair Trading approved Consumer Code of Practice meaning we work under a trade body that has an approved code of practice, this ensures we provide our customers with high standards of customer service and ensuring your rights as a consumer are better protected.

Operating under this trade body should give you confidence that when you come to our garage you will receive a reliable service to the highest standards so whether you need an engine rebuild, a new clutch, brake replacements we will make sure the servicing is carried out out to the highest standard.

Book your vehicle in today

We are accredited

We have been trading for many years and have gained major accreditations with well known motor companies.

Being approved by the TSI, the IMI, the RGI and the IGA should give you confidence that we are the turn to garage that can service your vehicle reliably and at the best prices.

We have fully qualified ADAS collaboration technicians certified by the IMI. This means if you have any ADAS systems that become mis-aligned on your vehicle we can re-collaborate them for you ensuring they are working correctly.

If you have any queries regarding our accreditations then please get in touch we are happy to help.

Contact Us

A1-Diagnostics and ECU Repairs
64 Sloper Road
Leckwith,
Cardiff
CF11 8AB

Tel: (029 20) 220380
Fax: (029 20) 223172

Opening Times

Mon – Fri: 8:00am – 6:00pm