Lotus 98T (1986–1987): F1 Turbo

Lotus 63 (1969): 4-wheel drive F1

Lotus 68 (1969): F5000 prototype

Lotus 69 (1970): F2/F3/Formula Ford

Lotus 70 (1970): F5000/Formula A

Lotus 71: Undisclosed design study

Lotus 73 (1972–1973): F3

Lotus 74 (1971–1975)