2008 Audi S5 vs. 2011 Audi R8
To start off, 2011 Audi R8 is newer by 3 year(s). Which means there will be less support and parts availability for 2008 Audi S5. In addition, the cost of maintenance, including insurance, on 2008 Audi S5 would be higher. At 5,200 cc (10 cylinders), 2011 Audi R8 is equipped with a bigger engine. In terms of performance, 2011 Audi R8 (525 HP @ 8000 RPM) has 171 more horse power than 2008 Audi S5. (354 HP @ 6800 RPM) In normal driving conditions, 2011 Audi R8 should accelerate faster than 2008 Audi S5.
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, 2011 Audi R8 (530 Nm @ 6500 RPM) has 89 more torque (in Nm) than 2008 Audi S5. (441 Nm @ 3500 RPM). This means 2011 Audi R8 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi S5.
Compare all specifications:
| 2008 Audi S5 | 2011 Audi R8 | |
| Make | Audi | Audi |
| Model | S5 | R8 |
| Year Released | 2008 | 2011 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Middle |
| Engine Size | 4163 cc | 5200 cc |
| Engine Cylinders | 8 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 354 HP | 525 HP |
| Engine RPM | 6800 RPM | 8000 RPM |
| Torque | 441 Nm | 530 Nm |
| Torque RPM | 3500 RPM | 6500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Length | 4640 mm | 4435 mm |
| Vehicle Width | 1990 mm | 1905 mm |
| Vehicle Height | 1380 mm | 1245 mm |
| Wheelbase Size | 2760 mm | 2649 mm |
| Fuel Tank Capacity | 63 L | 90 L |
