2006 Alpina B7 vs. 2009 Audi RS6
To start off, 2009 Audi RS6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Alpina B7. In addition, the cost of maintenance, including insurance, on 2006 Alpina B7 would be higher. At 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 80 more horse power than 2006 Alpina B7. (492 HP @ 5500 RPM) In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2006 Alpina B7. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 78 kg more than 2006 Alpina B7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alpina B7. In wet, icy, snow, or gravel driving conditions, 2009 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, 2006 Alpina B7 (700 Nm @ 4250 RPM) has 50 more torque (in Nm) than 2009 Audi RS6. (650 Nm @ 1500 RPM). This means 2006 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi RS6.
Compare all specifications:
| 2006 Alpina B7 | 2009 Audi RS6 | |
| Make | Alpina | Audi |
| Model | B7 | RS6 |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 4991 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 492 HP | 572 HP |
| Engine RPM | 5500 RPM | 6250 RPM |
| Torque | 700 Nm | 650 Nm |
| Torque RPM | 4250 RPM | 1500 RPM |
| Engine Bore Size | 92 mm | 84.5 mm |
| Engine Stroke Size | 82.7 mm | 89 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 300 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 4.6 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 | 1950 kg | 2028 kg |
| Vehicle Length | 5040 mm | 4930 mm |
| Vehicle Width | 1910 mm | 1900 mm |
| Vehicle Height | 1480 mm | 1460 mm |
| Wheelbase Size | 3000 mm | 2850 mm |
| Fuel Consumption Overall | 10.9 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 88 L | 80 L |
