2009 Alpina B5 vs. 2009 Audi A8
To start off, both 2009 Alpina B5 and 2009 Audi A8 were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,398 cc (8 cylinders), 2009 Alpina B5 is equipped with a bigger engine. In terms of performance, 2009 Alpina B5 (493 HP @ 5500 RPM) has 286 more horse power than 2009 Audi A8. (207 HP @ 5500 RPM). In normal driving conditions, 2009 Alpina B5 should accelerate faster than 2009 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alpina B5 weights approximately 30 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 Alpina B5 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Alpina B5. However, in wet, icy, snow, or gravel driving conditions, 2009 Audi A8, being front wheel drive (FWD), will offer much better control with better grip. 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 B5 (700 Nm @ 4250 RPM) has 420 more torque (in Nm) than 2009 Audi A8. (280 Nm @ 3000 RPM). This means 2009 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Alpina B5 | 2009 Audi A8 | |
| Make | Alpina | Audi |
| Model | B5 | A8 |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2772 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 207 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 700 Nm | 280 Nm |
| Torque RPM | 4250 RPM | 3000 RPM |
| Engine Compression Ratio | 9.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 309 km/hour | 238 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 8 seconds |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1720 kg | 1690 kg |
| Vehicle Length | 4850 mm | 5070 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 | 8.3 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
