2005 Porsche 911 vs. 2011 Alpina B5
To start off, 2011 Alpina B5 is newer by 6 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 4,398 cc (8 cylinders), 2011 Alpina B5 is equipped with a bigger engine. In terms of performance, 2011 Alpina B5 (493 HP @ 5500 RPM) has 177 more horse power than 2005 Porsche 911. (316 HP @ 4250 RPM) In normal driving conditions, 2011 Alpina B5 should accelerate faster than 2005 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2011 Alpina B5 weights approximately 225 kg more than 2005 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2011 Alpina B5 (700 Nm @ 4250 RPM) has 330 more torque (in Nm) than 2005 Porsche 911. (370 Nm @ 4250 RPM). This means 2011 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Porsche 911.
Compare all specifications:
| 2005 Porsche 911 | 2011 Alpina B5 | |
| Make | Porsche | Alpina |
| Model | 911 | B5 |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 3595 cc | 4398 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 316 HP | 493 HP |
| Engine RPM | 4250 RPM | 5500 RPM |
| Torque | 370 Nm | 700 Nm |
| Torque RPM | 4250 RPM | 4250 RPM |
| Engine Compression Ratio | 11.3:1 | 9.0:1 |
| Top Speed | 285 km/hour | 309 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 4.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1495 kg | 1720 kg |
| Vehicle Length | 4440 mm | 4850 mm |
| Vehicle Width | 1780 mm | 1850 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2360 mm | 2890 mm |
| Fuel Consumption Overall | 11 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
