The Wiesmann Roadster MF 25-4 is a rear wheel drive automobile, with the powerplant located in the front, and a 2 door convertible/cabriolet bodyshell.
Its 2.5 litre engine is a naturally aspirated, double overhead camshaft, 6 cylinder that develops 189 bhp (192 PS/141 kW) of power at 5900 rpm, and maximum torque of 245 N·m (181 lb·ft/25 kgm) at 4200 rpm.
The engine powers the wheels via a 5 speed manual gearbox.
The Wiesmann Roadster MF 25-4 weighs a claimed 995 kg at the kerb.
Top stated speed is 215 km/h, which equates to 134 mph.
Full specs
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| bodywork | |||
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| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2290 mm | 90.2 inches | |
| Track/tread (front) | |||
| Track/tread (rear) | |||
| Length | 3860 mm | 152 inches | |
| Width | 1750 mm | 68.9 inches | |
| Height | 1160 mm | 45.7 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.69 | ||
| Kerb weight | 995 kg | 2194 lb | |
| Weight distribution | |||
| fuel tank capacity | 60 litres | 13.2 [15.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | BMW | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 2.5 litre 2494 cc (152.193 cu in) |
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| Bore × Stroke | 84 × 75 mm
3.31 × 2.95 in |
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| Bore/stroke ratio | 1.12 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 24 valves in total |
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| maximum power output | 192 PS (189 bhp) (141 kW) at 5900 rpm |
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| maximum torque | 245 Nm (181 ft·lb) (25 kgm) at 4200 rpm |
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| Specific output | 56.5 kW/litre 76.8 ps/litre 75.8 bhp/litre 1.24 bhp/cu in |
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| Specific torque |
98.24 Nm/litre
1.19 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 10.5:1 | ||
| Fuel system | EFI | ||
| bmep (brake mean effective pressure) | 1234.5 kPa (179 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 7 | ||
| Engine coolant | Water | ||
| Unitary capacity | 415.67 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 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 215 km/h (134 mph) | ||
| Power-to-weight ratio | Higher is better 192.59 PS/tonne (1000 kg) 0.19 PS/kg 141.65 kW/tonne (1000 kg) 0.14 kW/kg 189.95 bhp/tonne (1000 kg) 0.19 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.06 kg/kW 11.79 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 | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 7 x 15 | ||
| Wheel size rear | 7 x 15 | ||
| Tyres front | 205/60 x 15 | ||
| Tyres rear | 225/60 x 15 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 199155 | ||
| Production total | |||
| Model code | |||
| RAC rating | 26.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1994 Wiesmann Roadster MF 25-4 added 2009-07-05. Last modified 2013-02-28. |
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