The Lamborghini Countach Prototype is a rear wheel drive car, with the engine mounted amidships, and a 2 door coupé bodyshell designed by Bertone.
It's powered courtesy of a naturally aspirated engine of 5 litre capacity. This unit features double overhead camshaft valve gear, a 60 degree V 12 cylinder layout, and 2 valves per cylinder. It develops 440 bhp (446 PS/328 kW) of power at 7400 rpm, and maximum torque of 448 N·m (330 lb·ft/45.7 kgm) at 5750 rpm.
Power is transferred to the wheels through a 5 speed manual gearbox.
Quoted kerb weight is 1130 kg.
Its maximum speed claimed is 306 km/h or 190 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | Bertone | ||
| dimensions & weights | |||
| Wheelbase | 2464 mm | 97 inches | |
| Track/tread (front) | 1500 mm | 59.1 inches | |
| Track/tread (rear) | 1520 mm | 59.8 inches | |
| Length | 4100 mm | 161.4 inches | |
| Width | 1850 mm | 72.8 inches | |
| Height | 1040 mm | 40.9 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.66 | ||
| Kerb weight | 1130 kg | 2491 lb | |
| Weight distribution | |||
| fuel tank capacity | 139.8 litres | 30.8 [36.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Lamborghini | ||
| Engine code | |||
| Cylinders | V 12 in 60° vee | ||
| Capacity | 5 litre 4971 cc (303.349 cu in) |
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| Bore × Stroke | 85 × 73 mm
3.35 × 2.87 in |
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| Bore/stroke ratio | 1.16 | ||
| Valve gear | double overhead camshaft (DOHC)
2 valves per cylinder 24 valves in total |
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| maximum power output | 446 PS (440 bhp) (328 kW) at 7400 rpm |
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| maximum torque | 448 Nm (330 ft·lb) (45.7 kgm) at 5750 rpm |
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| Specific output | 66 kW/litre 89.7 ps/litre 88.5 bhp/litre 1.45 bhp/cu in |
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| Specific torque |
90.12 Nm/litre
1.09 ft·lb/cu3 |
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| Engine construction | light alloy block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | 6 We carbs | ||
| bmep (brake mean effective pressure) | 1132.5 kPa (164.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 414.25 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 306 km/h (190 mph) | ||
| Power-to-weight ratio | Higher is better 394.79 PS/tonne (1000 kg) 0.39 PS/kg 290.36 kW/tonne (1000 kg) 0.29 kW/kg 389.38 bhp/tonne (1000 kg) 0.39 bhp/kg 0.17 bhp/lb |
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| Weight-to-power ratio | Lower is better 3.44 kg/kW 5.75 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | mid | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.CS. | ||
| Rear suspension | I.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 205/70 VR 14 | ||
| Tyres rear | 215/70 VR 14 | ||
| Brakes F/R | VeDi/VeDi-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 93764 | ||
| Production total | |||
| Model code | |||
| Model family | Concept | ||
| RAC rating | 53.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1971 Lamborghini Countach Prototype added 2002-04-11. Last modified 2013-02-28. |
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