The Noble M400 is a sports car from the British car maker Noble. Manufacturing was outsourced to Hi-Tech Automotive, based in Port Elizabeth, South Africa. The M400 was noted by the automotive press for its excellent handling and power. Engine The Noble M400 features a transversely-mounted rear mid-engine, rear-wheel-drive layout. The power plant began life as a DOHC with 4 valves per cylinder Ford Duratec V6 engine, as used in the Ford Mondeo ST220. With this engine as a base, Noble fits high-lift camshafts, revised fuel injection, and Garrett AiResearch T28 twin-turbochargers. The M400 has no ABS, no stability control, no traction control, and no air bags. Driver safety comes from a factory racing harness and built-in roll cage. For durability, Noble also added forged pistons, an oil cooler, a larger baffled oil sump, and extra cooling ducts. Its engine has a maximum power of at 6,500 rpm, with a torque figure of at 5,000 rpm. This power and a light weight allow the M400 to achieve a power-to-weight ratio of just over /ton, the figure for which it was named, a 0– of 3.2 seconds and a time of 11.4 at . Top speed is . The UK automotive TV show Vroom Vroom suggested that the M400 gave Ferrari Enzo performance at a Porsche 911 price. About The M400 is the track variant of the M12. Its power-to-weight ratio is over 400 bhp (300 kW) per ton, and is the figure from which its model name derives. It has 425 bhp (317 kW; 431 PS) and has been reported to do 0–60 mph (0–97 km/h) in as little as 2.97 seconds. Car and Driver (March 2007) achieved a 0–60 mph time of 3.3 seconds and a 0–100 mph time of 7.52 seconds. Although often listed as 0–60 mph in 3.5 seconds, the M400 generally comes in at 3.2 seconds according to various publications and generally listed amongst the fastest accelerating cars. Noble indicates only that the car is capable of achieving 0–60 mph in under 4 seconds. Its top speed is listed as 185 mph (300 km/h). Lateral Gs are reported in excess of 1.2. It has both a 3-point seatbelt and a 5-point harness. The most notable differences from the M12 are the use of forged pistons, T28 turbos, a front anti-roll bar, stiffer springs, different shocks, Pirelli P Zero tyres, a smoother gear shifter, and a slightly