2009 Alpina B7 vs. 2005 Audi RS6
To start off, 2009 Alpina B7 is newer by 4 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 4,396 cc (8 cylinders), 2009 Alpina B7 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 49 more horse power than 2005 Audi RS6. (444 HP @ 5700 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2005 Audi RS6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 135 kg more than 2005 Audi RS6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Alpina B7. 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, 2009 Alpina B7 (700 Nm @ 4250 RPM) has 140 more torque (in Nm) than 2005 Audi RS6. (560 Nm @ 1950 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi RS6.
Compare all specifications:
| 2009 Alpina B7 | 2005 Audi RS6 | |
| Make | Alpina | Audi |
| Model | B7 | RS6 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4396 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 | 4.9 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 | 1960 kg | 1825 kg |
| Vehicle Length | 5050 mm | 4800 mm |
| Vehicle Height | 1480 mm | 1460 mm |
| Wheelbase Size | 3000 mm | 2770 mm |
| Fuel Consumption Overall | 12.8 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 88 L | 82 L |
