2008 Alpina B5 vs. 2009 Audi A8
To start off, 2009 Audi A8 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Alpina B5. In addition, the cost of maintenance, including insurance, on 2008 Alpina B5 would be higher. At 4,398 cc (8 cylinders), 2008 Alpina B5 is equipped with a bigger engine. In terms of performance, 2008 Alpina B5 (493 HP) has 237 more horse power than 2009 Audi A8. (256 HP). In normal driving conditions, 2008 Alpina B5 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2008 Alpina B5 weights approximately 560 kg more than 2009 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2009 Audi A8 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 Alpina B5 (700 Nm @ 4250 RPM) has 370 more torque (in Nm) than 2009 Audi A8. (330 Nm @ 3250 RPM). This means 2008 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2008 Alpina B5 | 2009 Audi A8 | |
| Make | Alpina | Audi |
| Model | B5 | A8 |
| Year Released | 2008 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 493 HP | 256 HP |
| Torque | 700 Nm | 330 Nm |
| Torque RPM | 4250 RPM | 3250 RPM |
| Engine Compression Ratio | 9.0:1 | 13.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 7.7 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 | 1720 kg | 1160 kg |
| Vehicle Length | 4850 mm | 5060 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1450 mm |
| Wheelbase Size | 2890 mm | 2950 mm |
| Fuel Consumption Overall | 12.3 L/100km | 11 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
