The Wiesmann Roadster MF4-S is a convertible/cabriolet with 2 doors and a front mounted powerplant which transmits the power through the rear wheels.
It's powered courtesy of a naturally aspirated engine of 4 litre capacity. This unit features double overhead camshaft valve gear, a 90 degree V 8 cylinder layout, and 4 valves per cylinder. It develops 414 bhp (420 PS/309 kW) of power at 8300 rpm, and maximum torque of 400 N·m (295 lb·ft/40.8 kgm) at 3900 rpm.
The engine transmits power to the wheels via a 6 speed manual transmission.
Stated weight at the kerb is 1315 kg.
It is claimed to attain a top speed of 293 km/h (182 mph), officially quoted fuel consumption figures are 14.3/7.0/9.6 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 295.0 g/km.
Full specs
|
|
|||
| Carrocería | |||
|---|---|---|---|
| Carrocería | 2 seater convertible/cabriolet | ||
| Número de puertas | 2 | ||
| diseñado por | |||
| Dimensiones y pesos | |||
| Distancia entre ejes | 2507 | 98.7 | |
| Vía delantera | |||
| Vía trasera | |||
| Longitud | 4230 | 166.5 | |
| Ancho | 1880 | 74 | |
| Altura | 1190 | 46.9 | |
| Despeje del suelo | |||
| Relación Largo:Dist.entre ejes | 1.69 | ||
| Peso en vacío | 1315 kg | 2899 | |
| Distribución del peso (% adelante) | |||
| Capacità serbatoio | 70 litres | 15.4 [18.5] UK [US] gal. | |
| Aerodinámica | |||
| Coeficiente de penetración | |||
| Superficie frontal | |||
| SCx | |||
| Tren motriz | |||
| naturally aspirated petrol | |||
| Fabricante del motor | BMW | ||
| Código de motor | S65B40 | ||
| Número de cilindros | V 8 in 90° vee | ||
| Cilindrada | 4 litre 3999 cc (244.034 cu in) |
||
| Diámetro × Carrera | 92 × 75.2 mm
3.62 × 2.96 in |
||
| Relación diámetro/carrera | 1.22 | ||
| Distribución | double overhead camshaft (DOHC)
4 válvulas por cilindro 32 Total de válvulas |
||
| Potencia nominal | 420 PS (414 bhp) (309 kW) a 8300 rpm |
||
| Par motor máximo | 400 Nm (295 ft·lb) (40.8 kgm) a 3900 rpm |
||
| Potencia específica | 77.2 kW/litre 105 ps/litre 103.5 bhp/litre 1.7 bhp/cu in |
||
|
100.03 Nm/litre
1.21 ft·lb/cu3 |
|||
| Materiales de block / culata | |||
| Lubricación | Cárter húmedo | ||
| Relación de compresión | 12:1 | ||
| Alimentación | direct petrol injection | ||
| 1257 kPa (182.3 psi) | |||
| Maximum RPM | |||
| Casquillos de cigüeñal | |||
| Engine coolant | Water | ||
| 499.88 cc | |||
| Aspiración | Normal | ||
| Compresor | N/A | ||
| intercooler | None | ||
| catalizador | Y | ||
| Rendimiento | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 4.4 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Velocidad máxima | 293 km/h (182 mph) | ||
| Power-to-weight ratio | Higher is better 319.21 PS/tonne (1000 kg) 0.32 PS/kg 234.77 kW/tonne (1000 kg) 0.23 kW/kg 314.83 bhp/tonne (1000 kg) 0.31 bhp/kg 0.14 bhp/lb |
||
| Weight-to-power ratio | Lower is better 4.26 kg/kW 7.11 lb/bhp |
||
| Consumos | |||
| Consumo de combustible | 14.3/7.0/9.6 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 14.3/7.0/9.6 l/100km urban/extra-urban/combined | ||
| km/litre | 7.0/14.3/10.4 km/l urban/extra-urban/combined | ||
| UK MPG | 19.8/40.4/29.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 16.4/33.6/24.5 US MPG urban/extra-urban/combined | ||
| Emisiones de CO2 | 295.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| CO2 Effizienz (DE) | G | ||
| Chasis | |||
| Ubicación del motor | front | ||
| Engine layout | longitudinal | ||
| Tracción | rear wheel drive | ||
| Alimentación | N/A | ||
| Dirección, tipo | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspensión delantera | I.DW.CS.ARB. | ||
| Suspensión trasera | I.DW.TA.CS.ARB. | ||
| Ruedas delante | 8 x 18 | ||
| Ruedas detrás | 8 x 18 | ||
| Neumáticos delante | 245/45 x 18 | ||
| Neumáticos detrás | 245/45 x 18 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Transmisión | 6 speed manual | ||
| Eje trasero desmultiplicación | |||
| Desmultiplicación grupo cónico | 3.85 | ||
| General | |||
| Carfolio.com ID | 235235 | ||
| Unidades producidas | |||
| Model code | |||
| RAC rating | 42.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
|
2010 Wiesmann Roadster MF4-S added 2011-03-02. Last modified 2020-02-02. |
|||
