2007 Alpina B5 vs. 2008 Audi RS6
To start off, 2008 Audi RS6 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Alpina B5. In addition, the cost of maintenance, including insurance, on 2007 Alpina B5 would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (580 HP @ 6250 RPM) has 87 more horse power than 2007 Alpina B5. (493 HP @ 5500 RPM) In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2007 Alpina B5.
Because 2008 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2008 Audi RS6 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, 2008 Audi RS6 (881 Nm @ 6250 RPM) has 181 more torque (in Nm) than 2007 Alpina B5. (700 Nm @ 4250 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Alpina B5.
Compare all specifications:
| 2007 Alpina B5 | 2008 Audi RS6 | |
| Make | Alpina | Audi |
| Model | B5 | RS6 |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4175 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 493 HP | 580 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 700 Nm | 881 Nm |
| Torque RPM | 4250 RPM | 6250 RPM |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 314 km/hour | 244 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Width | 1850 mm | 1820 mm |
