2007 Audi A8 vs. 2011 Audi S5
To start off, 2011 Audi S5 is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Audi A8. In addition, the cost of maintenance, including insurance, on 2007 Audi A8 would be higher. At 4,163 cc (8 cylinders), 2007 Audi A8 is equipped with a bigger engine. In terms of performance, 2007 Audi A8 (350 HP @ 6800 RPM) has 17 more horse power than 2011 Audi S5. (333 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A8 should accelerate faster than 2011 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, 2007 Audi A8 (441 Nm @ 3500 RPM) has 1 more torque (in Nm) than 2011 Audi S5. (440 Nm @ 2900 RPM). This means 2007 Audi A8 will have an easier job in driving up hills or pulling heavy equipment than 2011 Audi S5.
Compare all specifications:
| 2007 Audi A8 | 2011 Audi S5 | |
| Make | Audi | Audi |
| Model | A8 | S5 |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 3000 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 350 HP | 333 HP |
| Engine RPM | 6800 RPM | 5500 RPM |
| Torque | 441 Nm | 440 Nm |
| Torque RPM | 3500 RPM | 2900 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 7-speed automated manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Fuel Tank Capacity | 90 L | 64 L |
