Isdera Imperator is a car that has a 2 door coupé body style with a mid located engine driving through the rear wheels.
Its 8 cylinder, single overhead camshaft naturally aspirated powerplant has 2 valves per cylinder and a volume of 5.5 litres. In this application it produces power and torque figures of 275 bhp (279 PS/205 kW) at 5200 rpm and 430 Nm (317 lbft/43.8 kgm) at 3750 rpm respectively.
The engine drives the wheels by means of a 5 speed manual transmission.
The Isdera Imperator weighs a stated 1350 kg at the kerb.
Its maximum speed claimed is 275 km/h (171 mph).
Full specs
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| bodywork | |||
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| Body type | 2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2490 mm | 98 inches | |
| Track/tread (front) | 1480 mm | 58.3 inches | |
| Track/tread (rear) | 1410 mm | 55.5 inches | |
| Length | 4220 mm | 166.1 inches | |
| Width | 1835 mm | 72.2 inches | |
| Height | 1135 mm | 44.7 inches | |
| Ground clearance | 135 mm | 5.3 inches | |
| length:wheelbase ratio | 1.69 | ||
| Kerb weight | 1350 kg | 2976 lb | |
| Weight distribution | |||
| fuel tank capacity | 95 litres | 20.9 [25.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercedes-Benz | ||
| Engine code | MB M117E 56 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.5 litre 5547 cc (338.499 cu in) |
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| Bore × Stroke | 96.5 × 94.8 mm
3.8 × 3.73 in |
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| Bore/stroke ratio | 1.02 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 16 valves in total |
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| maximum power output (DIN) |
279 PS (275 bhp) (205 kW) at 5200 rpm |
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| maximum torque (DIN) |
430 Nm (317 ft·lb) (43.8 kgm) at 3750 rpm |
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| Specific output (DIN) |
37 kW/litre 50.3 ps/litre 49.6 bhp/litre 0.81 bhp/cu in |
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| Specific torque (DIN) |
77.52 Nm/litre
0.94 ft·lb/cu3 |
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| Engine construction | light alloy head & block | ||
| Lubrication | |||
| compression ratio | 10:1 | ||
| Fuel system | Bo KE-Jet. III fuel inj. | ||
| bmep (brake mean effective pressure) | 974.1 kPa (141.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 693.38 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 6.1 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 275 km/h (171 mph) | ||
| Power-to-weight ratio | Higher is better 206.54 PS/tonne (1000 kg) 0.21 PS/kg 151.9 kW/tonne (1000 kg) 0.15 kW/kg 203.7 bhp/tonne (1000 kg) 0.2 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.58 kg/kW 11 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 | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | 8.90 m | ||
| Front suspension | I.CS. | ||
| Rear suspension | I.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 285/40 VR 15 | ||
| Tyres rear | 345/35 VR 15 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | 282 mm | ||
| Rear brake diameter | 289 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 3.20 | ||
| general | |||
| Carfolio.com ID | 22858 | ||
| Production total | |||
| Model code | |||
| RAC rating | 46.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1984 Isdera Imperator added 1998-09-04. Last modified 2013-02-28. |
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