This car has a 2 door convertible/cabriolet body style with a front mounted engine delivering its power to the rear wheels.
The power is produced by a turbocharged engine of 4.4 litre capacity. This unit features double overhead camshaft valve gear, a 90 degree V 8 cylinder layout, and 4 valves per cylinder. It produces 547 bhp (555 PS/408 kW) of power at 6250 rpm, and maximum torque of 680 N·m (502 lb·ft/69.3 kgm) at 1500-5650 rpm.
The power is delivered to the wheels by means of a 6 speed automatic gearbox.
The claimed kerb weight is 1410 kg.
Maximum stated speed is 311 km/h, which equates to 193 mph, manufacturer claimed fuel consumption figures are 15.8/7.9/10.7 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 281.0 g/km.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2507 mm | 98.7 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 4220 mm | 166.1 inches | |
| Width | 1950 mm | 76.8 inches | |
| Height | 1180 mm | 46.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 1410 kg | 3109 lb | |
| Weight distribution | |||
| fuel tank capacity | 70 litres | 15.4 [18.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.4 litre 4395 cc (268.199 cu in) |
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| Bore × Stroke | 89 × 88.3 mm
3.5 × 3.48 in |
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| Bore/stroke ratio | 1.01 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output | 555 PS (547 bhp) (408 kW) at 6250 rpm |
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| maximum torque | 680 Nm (502 ft·lb) (69.3 kgm) at 1500-5650 rpm |
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| Specific output | 92.8 kW/litre 126.2 ps/litre 124.5 bhp/litre 2.04 bhp/cu in |
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| Specific torque |
154.72 Nm/litre
1.87 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.3:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1944.3 kPa (282 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 549.38 cc | ||
| Aspiration | Turbo | ||
| Compressor | 2 twinscroll turbochargers | ||
| Intercooler | Y | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 3.9 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 311 km/h (193 mph) | ||
| Power-to-weight ratio | Higher is better 393.34 PS/tonne (1000 kg) 0.39 PS/kg 289.29 kW/tonne (1000 kg) 0.29 kW/kg 387.94 bhp/tonne (1000 kg) 0.39 bhp/kg 0.17 bhp/lb |
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| Weight-to-power ratio | Lower is better 3.46 kg/kW 5.77 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 15.8/7.9/10.7 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 15.8/7.9/10.7 l/100km urban/extra-urban/combined | ||
| km/litre | 6.3/12.7/9.3 km/l urban/extra-urban/combined | ||
| UK MPG | 17.9/35.8/26.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 14.9/29.8/22.0 US MPG urban/extra-urban/combined | ||
| Carbon dioxide emissions | 281.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| CO2 Effizienz (DE) | G | ||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | I.DW.CS.ARB. | ||
| Rear suspension | I.DW.TA.CS.ARB. | ||
| Wheel size front | 8½ x 19 | ||
| Wheel size rear | 10.0 x 19 | ||
| Tyres front | 245/40 ZR 19 | ||
| Tyres rear | 275/35 ZR 19 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 6 speed automatic | ||
| Top gear ratio | |||
| Final drive ratio | 3.85 | ||
| general | |||
| Carfolio.com ID | 235268 | ||
| Production total | |||
| Model code | |||
| RAC rating | 39.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2010 Wiesmann Roadster MF5 added 2011-03-02. Last modified 2020-02-02. |
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