Comparison Wiesmann Roadster MF4 S 4.0 V8 (420 Hp) Automatic & Maserati Spyder 4.2 i V8 32V (390 Hp) & Buick Regal III Coupe 3.1 V6 (142 Hp) Automatic
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| Brand: | Wiesmann | Maserati | Buick |
| Model: | Roadster | Spyder | Regal |
| Generation: | Roadster MF4 | Spyder | Regal III Coupe |
| Engine / modification: | S 4.0 V8 (420 Hp) Automatic | 4.2 i V8 32V (390 Hp) | 3.1 V6 (142 Hp) Automatic |
| Production start: | 2009 year | 2001 year | 1988 year |
| Production end: | 2014 year | 2007 year | 1996 year |
| Coupe type: | Roadster | Cabriolet | Coupe |
| Num. of Doors: | 2 | 2 | 2 |
| Num. of seats: | 2 | 2 | 5 |
| Fuel consumption / economy - urban: | 17.9 l/100 km | 25 l/100 km | 12.4 l/100 km |
| Fuel consumption / economy - extra urban: | 9.0 l/100 km | 11 l/100 km | 7.8 l/100 km |
| Fuel consumption / economy - combined: | 12.2 l/100 km | 15.9 l/100 km | 10.2 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.36 | ||
| Fuel tank volume: | 70 l | 88 l | 62 l |
| Emission standard: | EURO V | ||
| CO2 emissions: | 275 g/km | ||
| Power: | 420 hp | 390 hp | 142 hp |
| Max power in: | 8300 rpm. | 7000 rpm. | 4500 rpm. |
| Maximum speed: | 293 km/h | 283 km/h | |
| Acceleration from 0 to 100 km/h: | 4.4 sec | 5 sec | |
| Torque: | 400 Nm/3900 rpm. | 451 Nm @ 4500 rpm. | 258 Nm @ 3600 rpm. |
| Model Engine: | LH0 | ||
| Engine position: | Front, longitudinal | Front, longitudinal | Front, transverse |
| Engine displacement: | 3999 cm3 | 4244 cm3 | 3128 cm3 |
| Engine oil capacity: | 4.3 l | ||
| Coolant: | 11.5 l | ||
| Fuel System: | Multi-point injection | Multi-point injection | |
| Position of cylinders: | V engine | V engine | V engine |
| Valvetrain: | - | OHV | |
| Number of cylinders: | 8 | 8 | 6 |
| Number of valves per cylinder: | 4 | 2 | |
| Compression ratio: | 12 | 11.1 | 8.8 |
| Piston Stroke: | 75.2 mm | 80 mm | 84 mm |
| Cylinder Bore: | 92 mm | 92 mm | 88.9 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 7 | - | 4 Hydramatic |
| Number of Gears (manual transmission): | 6 | ||
| Length: | 4230 mm | 4303 mm | 4882 mm |
| Width: | 1880 mm | 1822 mm | 1842 mm |
| Height: | 1190 mm | 1305 mm | 1346 mm |
| Wheelbase: | 2507 mm | 2440 mm | 2730 mm |
| Front track: | 1525 mm | 1506 mm | |
| Rear (Back) track: | 1538 mm | 1473 mm | |
| Minimum volume of Luggage (trunk): | 300 l | 439 l | |
| Front suspension: | Double wishbone | Coil spring | The depreciated rack |
| Rear suspension: | Double wishbone | Helical spring | Wishbone |
| Max weight: | 1980 kg | ||
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc | |
| Kerb Weight: | 1390 kg | 1720 kg | 1426 kg |
| ABS: | yes | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion | |
| Power steering: | Hydraulic Steering | ||
| Minimum turning circle (turning diameter): | 12.5 m | ||
| Tire size: | 245/45 R18 | 235/40 R18; 265/35 R18 | 205/70 R14 |
| Wheel rims size: | 8J x 18 | R18 | R14 |