2005 Audi A4 vs. 2011 Audi S5
To start off, 2011 Audi S5 is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 3,000 cc (6 cylinders), 2011 Audi S5 is equipped with a bigger engine. In terms of performance, 2011 Audi S5 (333 HP @ 5500 RPM) has 153 more horse power than 2005 Audi A4. (180 HP @ 5700 RPM) In normal driving conditions, 2011 Audi S5 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi S5 weights approximately 480 kg more than 2005 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 S5 (440 Nm @ 2900 RPM) has 200 more torque (in Nm) than 2005 Audi A4. (240 Nm @ 1950 RPM). This means 2011 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2011 Audi S5 | |
| Make | Audi | Audi |
| Model | A4 | S5 |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 3000 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 180 HP | 333 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 240 Nm | 440 Nm |
| Torque RPM | 1950 RPM | 2900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1475 kg | 1955 kg |
| Vehicle Length | 4550 mm | 4623 mm |
| Vehicle Width | 1770 mm | 1852 mm |
| Vehicle Height | 1430 mm | 1382 mm |
| Wheelbase Size | 2660 mm | 2751 mm |
| Fuel Consumption | 8 L/100km | 9 L/100km |
| Fuel Consumption City | 11.4 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
