2005 Audi A4 vs. 2011 Audi S4
To start off, 2011 Audi S4 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 S4 is equipped with a bigger engine. In terms of performance, 2011 Audi S4 (333 HP @ 5500 RPM) has 116 more horse power than 2005 Audi A4. (217 HP @ 6300 RPM) In normal driving conditions, 2011 Audi S4 should accelerate faster than 2005 Audi A4.
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 S4 (440 Nm @ 2900 RPM) has 139 more torque (in Nm) than 2005 Audi A4. (301 Nm @ 3200 RPM). This means 2011 Audi S4 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 S4 | |
| Make | Audi | Audi |
| Model | A4 | S4 |
| Year Released | 2005 | 2011 |
| Body Type | Convertible | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 217 HP | 333 HP |
| Engine RPM | 6300 RPM | 5500 RPM |
| Torque | 301 Nm | 440 Nm |
| Torque RPM | 3200 RPM | 2900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 6-speed manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4580 mm | 4704 mm |
| Vehicle Width | 1780 mm | 1829 mm |
| Vehicle Height | 1400 mm | 1427 mm |
| Wheelbase Size | 2660 mm | 2809 mm |
| Fuel Tank Capacity | 66 L | 64 L |
