The car was based on a brand new platform with a longitudinally mounted engine connected to a bespoke gearbox created by Graziano. The double wishbone suspension is a development of the system mounted on the M400. Mounting the engine longitudinally allowed the designer to increase cooling flow to the engine which allows the 3.0L twin turbo V6 to produce . The engine was designed to meet emissions regulations and the new steel/aluminium space frame was designed with a view to passing crash test regulations around the world. The M15 was planned to be the first Noble to gain European and US Type Approval.