- 1,115
- Rivera
- Tsukishima-TDUDT


The vehicle, known as the TVR Project 7/12, first appeared at the 1996 Birmingham Motorshow and dominated the show once it was unveiled, attracting more crowds than any other cars in the show. The number "7" referred to the seven-point-seven litre (7.73 l) engine, and "12" for the number of cylinders in the engine.
TVR said it would have over 800 hp and be faster than the McLaren F1. The first concepts shown were based on in-development FIA GT1 class race car that was current at that time. It would be restricted to a more modest 660 hp but the weight would be kept at roughly 1000 kilograms. The road car would weigh the same but without the restrictors, the power was greatly increased, TVR officially said it had 800 hp but the real figure was never properly recorded. It had a specially built 6-speed manual transmission and clutch. The engine was essentially two TVR AJP6 straight-6 engines mated on a single crankshaft. Unusually for an automobile of its type, the Speed Twelve's engine block was not constructed of cast iron or aluminium alloy, but rather of steel.