Although designed mainly for the road, when it came to competition race-prepared F40s more than held their own, and proved quicker on many circuits then McLaren's F1 GTR.
Clocked at a staggering 230mph (370km/h) with less than full turbo boost in operation, this F40 is nevertheless fully road legal and comes UK registered. Prepared to GT1 specification by Hartmann Racing, of Stuttgart, the car features bodywork by Michelotto, the firm responsible for development and preparation of the factory's race cars, and a special Sauber-prepared engine equipped with KKK turbochargers and capable of producing 720bhp. Chassis number 84326 timed fasted laps of 1m 3s on the Hockenheim short track and 2m 25s at Spa Francorchamps.
| Production Numbers | ? |
| Production Period | 1987 - 1992 |
| Chassis Number Range | ? |
| Body Style | 2 seater sports coupe |
| Construction | Closed 2 seater (Pininfarina/Michelotto design) - tubular frame - Composite body and steel chassis (carbon fibre/kevlar/nomex engine cover and other design features) |
| Weight Empty | ? |
| Body Size | W : 1970 mm, H : 1124 mm, L : 4400 mm, Wheelbase : 2450mm, tracks : 1594 mm (F), 1606 mm (R) |
| Engine Model | Sauber prepared F120A 90° Light alloy V8 |
| Engine Displacement | 2936cc - bore 81.9 mm, stroke 69.5 mm |
| Compression Ratio | ? |
| Superchargers | Twin KKK watercooled Turbochargers with twin Intercoolers |
| Ignition | 2 integrated Weber Marelli IAW indirect injection-ignition systems |
| Spark Plugs | Champion G61 (10 mm) |
| Cooling | Forced water cooling - 2 automatic electric fans - 17 litre circuit |
| Lubrication | Forced lubrication - dry sump - Savara filter and radiator - 8 kg circuit |
| Clutch | 8.5 inch Borg & Beck dual-disk |
| Engine Power | 720 bhp at 7000 rpm (= 245.2 HP/litre) |
| Engine Torque | ? |
| Transmission | 5 synchronized gears |
| Reduction Ratios | ? |
| Final Drive | ? |
| Fuel Capacity | 120 litres in 2 tanks |
| Suspension (Front) | Independent suspension - transverse quadrilaterals - coil springs |
| Shock Absorbers (Front) | Koni coaxial with transverse anti-roll bars |
| Suspension (Rear) | Independent suspension - transverse quadrilaterals - coil springs |
| Shock Absorbers (Rear) | Koni coaxial with transverse anti-roll bars |
| Wheels | ? |
| Tyres | ? |
| Brakes | ? |
| Steering | Rack and Pinion |
| Electrical System | 12 volt - 105A Bosch alternator - Ah 60 AC Delco battery |
| Maximum Speed | 230 mph / 370 kph (Source: Factory Claim) |
| Acceleration (0-30 mph) | ? |
| Acceleration (0-60 mph) | ? |
| Acceleration (0-100 mph) | ? |