2007 Alpina B5 vs. 2005 Audi A8
To start off, 2007 Alpina B5 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A8. In addition, the cost of maintenance, including insurance, on 2005 Audi A8 would be higher. At 5,998 cc, 2005 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 49 more horse power than 2005 Audi A8. (444 HP @ 6500 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2005 Audi A8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 822 kg more than 2005 Audi A8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A8 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2005 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, 2007 Alpina B5 (700 Nm @ 4250 RPM) has 140 more torque (in Nm) than 2005 Audi A8. (560 Nm @ 4000 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A8.
Compare all specifications:
| 2007 Alpina B5 | 2005 Audi A8 | |
| Make | Alpina | Audi |
| Model | B5 | A8 |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 5998 cc |
| Engine Type | V | W |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 444 HP |
| Engine RPM | 5500 RPM | 6500 RPM |
| Torque | 700 Nm | 560 Nm |
| Torque RPM | 4250 RPM | 4000 RPM |
| Engine Compression Ratio | 9.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 245 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 5.2 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 | 1722 kg | 900 kg |
| Vehicle Length | 4850 mm | 5190 mm |
| Vehicle Width | 1850 mm | 1900 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2890 mm | 3080 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 90 L |
