2007 Alpina B5 vs. 2005 Audi RS6
To start off, 2007 Alpina B5 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 49 more horse power than 2005 Audi RS6. (444 HP @ 5700 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2005 Audi RS6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 103 kg more than 2007 Alpina B5.
Because 2005 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, 2005 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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 140 more torque (in Nm) than 2005 Audi RS6. (560 Nm @ 1950 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi RS6.
Compare all specifications:
| 2007 Alpina B5 | 2005 Audi RS6 | |
| Make | Alpina | Audi |
| Model | B5 | RS6 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4171 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 493 HP | 444 HP |
| Engine RPM | 5500 RPM | 5700 RPM |
| Torque | 700 Nm | 560 Nm |
| Torque RPM | 4250 RPM | 1950 RPM |
| Acceleration 0-100mph | 4.7 seconds | 4.7 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1722 kg | 1825 kg |
| Vehicle Length | 4850 mm | 4800 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2890 mm | 2770 mm |
| Fuel Consumption Overall | 12.3 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 70 L | 82 L |
