2006 Alpina B5 vs. 2005 Porsche 911
To start off, 2006 Alpina B5 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Porsche 911. In addition, the cost of maintenance, including insurance, on 2005 Porsche 911 would be higher. At 4,396 cc (8 cylinders), 2006 Alpina B5 is equipped with a bigger engine. In terms of performance, 2006 Alpina B5 (492 HP @ 5500 RPM) has 47 more horse power than 2005 Porsche 911. (445 HP @ 5700 RPM). In normal driving conditions, 2006 Alpina B5 should accelerate faster than 2005 Porsche 911.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2005 Porsche 911 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Alpina B5 (700 Nm @ 4250 RPM) has 80 more torque (in Nm) than 2005 Porsche 911. (620 Nm @ 3500 RPM). This means 2006 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2006 Alpina B5 | 2005 Porsche 911 | |
| Make | Alpina | Porsche |
| Model | B5 | 911 |
| Year Released | 2006 | 2005 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4396 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 445 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 700 Nm | 620 Nm |
| Torque RPM | 4250 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 100 mm |
| Engine Stroke Size | 82.7 mm | 76.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 307 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 4.2 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4850 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1840 mm |
| Vehicle Height | 1500 mm | 1300 mm |
| Wheelbase Size | 2730 mm | 2360 mm |
| Fuel Consumption Overall | 12.4 L/100km | 13.3 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
