After a redesign, the new Sonnet III was revealed at the 1970 New York Auto Show. With its 1.5-litre V4 Ford-sourced engine the Sonnet III offered 65 hp and reached a top speed of 106 mph.

Inside, the M530 was powered by a 1,699cc Ford Taunus V4 engine, which when combined with its fiberglass body (weighing only 2,061 pounds) made the M530 speedy and agile. The top speed is a zippy ...

Under its ridiculously low-slung, windshield-less fiberglass body, it featured a mid-mounted 91-ci (1.5-liter) V4 engine borrowed from Ford Europe's Taunus. Engineers built two versions of the engine.