2008 Audi R8 vs. 2006 Audi RS4
To start off, 2008 Audi R8 is newer by 2 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. Both 2008 Audi R8 and 2006 Audi RS4 are equipped with a 4,163 cc engine. In terms of performance, 2008 Audi R8 (420 HP @ 8250 RPM) has 6 more horse power than 2006 Audi RS4. (414 HP @ 7800 RPM). In normal driving conditions, 2008 Audi R8 should accelerate faster than 2006 Audi RS4.
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, both vehicles can yield 430 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2008 Audi R8 | 2006 Audi RS4 | |
| Make | Audi | Audi |
| Model | R8 | RS4 |
| Year Released | 2008 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Middle | Front |
| Engine Size | 4163 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 420 HP | 414 HP |
| Engine RPM | 8250 RPM | 7800 RPM |
| Torque | 430 Nm | 430 Nm |
| Torque RPM | 4500 RPM | 5500 RPM |
| Drive Type | AWD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Length | 4440 mm | 4600 mm |
| Vehicle Width | 1910 mm | 1820 mm |
| Vehicle Height | 1260 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2650 mm |
| Fuel Consumption Overall | 7.8 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 90 L | 63 L |
