2007 Alpina B5 vs. 2009 Audi R8
To start off, 2009 Audi R8 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Alpina B5. In addition, the cost of maintenance, including insurance, on 2007 Alpina B5 would be higher. At 4,398 cc (8 cylinders), 2007 Alpina B5 is equipped with a bigger engine. In terms of performance, 2007 Alpina B5 (493 HP @ 5500 RPM) has 79 more horse power than 2009 Audi R8. (414 HP @ 7800 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2009 Audi R8. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 157 kg more than 2009 Audi R8. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi R8 is all wheel drive (AWD), it will have significant more traction and grip than 2007 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2009 Audi R8 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 270 more torque (in Nm) than 2009 Audi R8. (430 Nm @ 4500 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi R8.
Compare all specifications:
| 2007 Alpina B5 | 2009 Audi R8 | |
| Make | Alpina | Audi |
| Model | B5 | R8 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Middle |
| Engine Size | 4398 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 493 HP | 414 HP |
| Engine RPM | 5500 RPM | 7800 RPM |
| Torque | 700 Nm | 430 Nm |
| Torque RPM | 4250 RPM | 4500 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 | 301 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 4.6 seconds |
| Drive Type | Rear | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1722 kg | 1565 kg |
| Vehicle Length | 4850 mm | 4440 mm |
| Vehicle Width | 1850 mm | 1910 mm |
| Vehicle Height | 1470 mm | 1260 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 70 L | 75 L |
