The RX-3 was always distinct from the 808 in its interior fittings and dashboard. The SP’s interior is an exact duplicate of that year’s 808. There is actually no “rotary” badging except for the “Rotary Engine” badge on the trunklid (and the “RX3SP” on the right rear fender...
Toyo Kogyo built about 60 preproduction cars for evaluation in 1965 and 1966, but the Cosmo Sport didn’t actually go on sale until May 30, 1967. It was not only the first production Mazda with a rotary engine; it was the world’s first two-rotor production car, debuting more than fo...