1100: Unit construction based saloon, with transverse mounted, twin carburetor, 1098-cc, 4-cylinder, ohv engine (as on some Midgets), 55 bhp at 5500 rpm. Engine in unit with 4-speed gearbox and final drive to front wheels. Disc front brakes, all-independent suspension with Hydrolastic springing. Four-door, 4-seater body, with 2-door version for certain export markets.

MG 1300 and MK II 1100 introduced October 1967 with minor styling changes and slotted disc wheels and optional BMC/AP automatic transmission. 1300 has single carburetor 1275-cc engine (58 bhp at 5250 rpm), higher final drive ratio and all-synchromesh gearbox.