2008 Alpina B5 vs. 2007 Audi A8
To start off, 2008 Alpina B5 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 5,202 cc (10 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2008 Alpina B5 (493 HP @ 5500 RPM) has 49 more horse power than 2007 Audi A8. (444 HP @ 7000 RPM). In normal driving conditions, 2008 Alpina B5 should accelerate faster than 2007 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A8 weights approximately 220 kg more than 2008 Alpina B5.
Because 2007 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, 2007 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 160 more torque (in Nm) than 2007 Audi A8. (540 Nm @ 3500 RPM). This means 2008 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A8.
Compare all specifications:
| 2008 Alpina B5 | 2007 Audi A8 | |
| Make | Alpina | Audi |
| Model | B5 | A8 |
| Year Released | 2008 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5202 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 444 HP |
| Engine RPM | 5500 RPM | 7000 RPM |
| Torque | 700 Nm | 540 Nm |
| Torque RPM | 4250 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 84.5 mm |
| Engine Stroke Size | 82.7 mm | 92.8 mm |
| Engine Compression Ratio | 9.0:1 | 12.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 5.1 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 | 1940 kg |
| Vehicle Length | 4850 mm | 5070 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2890 mm | 2950 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
