Moduron Menai Motors Moduron Menai Motors is a well established quality car retailer based in Caernarfon. Our aim is to provide a wide selection of cars and vans of the highest standard. We’re able to source your choice of vehicle, be it second hand or brand new, and offer competitive prices. We also pride ourselves on our excellent after care service and the warm welcome at the garage. Follow us on Facebook and Instagram for all our latest offers.