2005 Audi RS4 vs. 2011 Audi R8
To start off, 2011 Audi R8 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi RS4. In addition, the cost of maintenance, including insurance, on 2005 Audi RS4 would be higher. At 4,200 cc (8 cylinders), 2011 Audi R8 is equipped with a bigger engine. In terms of performance, 2011 Audi R8 (420 HP @ 7800 RPM) has 44 more horse power than 2005 Audi RS4. (376 HP @ 6300 RPM) In normal driving conditions, 2011 Audi R8 should accelerate faster than 2005 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, 2005 Audi RS4 (449 Nm @ 2500 RPM) has 19 more torque (in Nm) than 2011 Audi R8. (430 Nm @ 4500 RPM). This means 2005 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi R8.
Compare all specifications:
| 2005 Audi RS4 | 2011 Audi R8 | |
| Make | Audi | Audi |
| Model | RS4 | R8 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 2671 cc | 4200 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 376 HP | 420 HP |
| Engine RPM | 6300 RPM | 7800 RPM |
| Torque | 449 Nm | 430 Nm |
| Torque RPM | 2500 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 4600 mm | 4435 mm |
| Vehicle Width | 1820 mm | 1905 mm |
| Vehicle Height | 1420 mm | 1245 mm |
| Wheelbase Size | 2610 mm | 2649 mm |
| Fuel Consumption | 10.1 L/100km | 11.8 L/100km |
| Fuel Consumption City | 19.7 L/100km | 21.4 L/100km |
| Fuel Tank Capacity | 55 L | 90 L |
