Unlike Vector's earlier cars, which used their own bespoke chassis and drivetrain, the M12 was based on the Diablo, using that car's underpinnings, a 7.0-liter version of its V-12 engine, and five ...

Vector claimed a 0-to-60 mph (97 kph) sprint of 3.9 seconds and a top speed of 242 mph ... It's a unique blend of piercing F1 exhaust notes and the low-end gurgling of a vintage muscle car.