Comparison Alpina B7 (E65/E66L) 4.4 i 32V (500 Hp) & Acura RL II 3.5 i V6 24V AWD (294 Hp)
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| Brand: | Alpina | Acura |
| Model: | B7 | RL |
| Generation: | B7 (E65/E66L) | RL II |
| Engine / modification: | 4.4 i 32V (500 Hp) | 3.5 i V6 24V AWD (294 Hp) |
| Production start: | 2005 year | 2006 year |
| Production end: | 2008 year | 2008 year |
| Coupe type: | Sedan | Sedan |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 20 l/100 km | 13.1 l/100 km |
| Fuel consumption / economy - extra urban: | 10 l/100 km | 9.1 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel tank volume: | 88 l | 73 l |
| Emission standard: | Euro 3 | |
| Power: | 500 hp | 294 hp |
| Max power in: | 5500 rpm. | 6200 rpm. |
| Maximum speed: | 300 km/h | 215 km/h |
| Acceleration from 0 to 100 km/h: | 5.5 sec | 6.7 sec |
| Torque: | 700 Nm @ 4250 rpm. | 347 Nm/5000 rpm. |
| Engine position: | Front, longitudinal | Front, transverse |
| Engine displacement: | 4398 cm3 | 3471 cm3 |
| Fuel System: | Multi-point injection | Multi-point injection |
| Position of cylinders: | V engine | V engine |
| Valvetrain: | DOHC | DOHC |
| Number of cylinders: | 8 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 9 | 11 |
| Piston Stroke: | 82.7 mm | 93 mm |
| Cylinder Bore: | 92 mm | 89 mm |
| Wheel Drive: | Rear wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 6 | 5 |
| Length: | 5030 mm | 4917 mm |
| Width: | 1900 mm | 1847 mm |
| Height: | 1480 mm | 1452 mm |
| Wheelbase: | 2990 mm | 2800 mm |
| Front track: | 1580 mm | 1575 mm |
| Rear (Back) track: | 1580 mm | 1585 mm |
| Minimum volume of Luggage (trunk): | 500 l | 450 l |
| Front suspension: | The depreciated rack | Double wishbone |
| Rear suspension: | Pneumatic elastic element | Helical spring |
| Max weight: | 2510 kg | |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Ventilated discs | Disc |
| Kerb Weight: | 1970 kg | 1845 kg |
| ABS: | yes | yes |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Minimum turning circle (turning diameter): | 12.1 m | |
| Tire size: | 245/35 ZR21; 285/30 ZR21 | 245/50 R17 |
| Wheel rims size: | 9J-10J X 21 | 8J X 17 |