2007 Alpina B5 vs. 2006 Audi RS4
To start off, 2007 Alpina B5 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Audi RS4. In addition, the cost of maintenance, including insurance, on 2006 Audi RS4 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 2006 Audi RS4. (414 HP @ 7800 RPM). In normal driving conditions, 2007 Alpina B5 should accelerate faster than 2006 Audi RS4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alpina B5 weights approximately 72 kg more than 2006 Audi RS4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 Audi RS4 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, 2006 Audi RS4 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 2006 Audi RS4. (430 Nm @ 5500 RPM). This means 2007 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi RS4. 2007 Alpina B5 has automatic transmission and 2006 Audi RS4 has manual transmission. 2006 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Alpina B5 | 2006 Audi RS4 | |
| Make | Alpina | Audi |
| Model | B5 | RS4 |
| Year Released | 2007 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| 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 | 5500 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 | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1722 kg | 1650 kg |
| Vehicle Length | 4850 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2890 mm | 2660 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
