2009 Alpina B7 vs. 2008 Audi S6
To start off, 2009 Alpina B7 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi S6. In addition, the cost of maintenance, including insurance, on 2008 Audi S6 would be higher. At 5,204 cc (10 cylinders), 2008 Audi S6 is equipped with a bigger engine. In terms of performance, 2009 Alpina B7 (493 HP @ 5500 RPM) has 58 more horse power than 2008 Audi S6. (435 HP @ 6800 RPM). In normal driving conditions, 2009 Alpina B7 should accelerate faster than 2008 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B7 weights approximately 830 kg more than 2008 Audi S6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi S6 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, 2008 Audi S6 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 160 more torque (in Nm) than 2008 Audi S6. (540 Nm @ 3000 RPM). This means 2009 Alpina B7 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S6.
Compare all specifications:
| 2009 Alpina B7 | 2008 Audi S6 | |
| Make | Alpina | Audi |
| Model | B7 | S6 |
| Year Released | 2009 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4397 cc | 5204 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 435 HP |
| Engine RPM | 5500 RPM | 6800 RPM |
| Torque | 700 Nm | 540 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Engine Bore Size | 92 mm | 84.5 mm |
| Engine Stroke Size | 82.8 mm | 92.8 mm |
| Engine Compression Ratio | 9.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1990 kg | 1160 kg |
| Vehicle Length | 5180 mm | 4920 mm |
| Vehicle Width | 1910 mm | 2020 mm |
| Vehicle Height | 1450 mm | 1450 mm |
| Wheelbase Size | 3140 mm | 2850 mm |
| Fuel Consumption Overall | 12.9 L/100km | 14.9 L/100km |
| Fuel Tank Capacity | 88 L | 80 L |
