It's not the most practical of vehicles, but the Mazda Miata, especially the 1st and 2nd generations (1990-2005), would be up there. Large enthusiast community

It's not the most practical of vehicles, but the Mazda Miata, especially the 1st and 2nd generations (1990-2005), would be up there. Large enthusiast community thanks to spec miata racing, and parts are cheap since they've always been entry level vehicles.