2006 Alpina B5 vs. 2009 Audi RS4
To start off, 2009 Audi RS4 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Alpina B5. In addition, the cost of maintenance, including insurance, on 2006 Alpina B5 would be higher. At 4,398 cc (8 cylinders), 2006 Alpina B5 is equipped with a bigger engine. In terms of performance, 2006 Alpina B5 (492 HP @ 5500 RPM) has 78 more horse power than 2009 Audi RS4. (414 HP @ 7800 RPM). In normal driving conditions, 2006 Alpina B5 should accelerate faster than 2009 Audi RS4.
Because 2009 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alpina B5. In wet, icy, snow, or gravel driving conditions, 2009 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, 2006 Alpina B5 (701 Nm @ 4250 RPM) has 271 more torque (in Nm) than 2009 Audi RS4. (430 Nm @ 5500 RPM). This means 2006 Alpina B5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi RS4. 2006 Alpina B5 has automatic transmission and 2009 Audi RS4 has manual transmission. 2009 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Alpina B5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alpina B5 | 2009 Audi RS4 | |
| Make | Alpina | Audi |
| Model | B5 | RS4 |
| Year Released | 2006 | 2009 |
| 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 | 492 HP | 414 HP |
| Engine RPM | 5500 RPM | 7800 RPM |
| Torque | 701 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 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 314 km/hour | 250 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 4.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4850 mm | 4590 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 3000 mm | 2660 mm |
| Fuel Consumption Overall | 12.3 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
