Because of the bolt-on multi-panel construction, different panels can be of different materials, depending on the jobs they have to do.
The bumpers and wings are made from semi-flexible reinforced reaction injection moulded polyester to minimise damage from small knocks. The doors, bootlid and other panels can be more rigid, and are made from reinforced polyester pressings. The fireproof bonnet is made from vacuum-assisted injection moulded polyester sandwiched with rigid urethane.
Mention plastic cars, and most people think of the leaky, creaky and crazed bodywork so common on...