2006 Audi A4 vs. 2011 Audi S4
To start off, 2011 Audi S4 is newer by 5 year(s). Which means there will be less support and parts availability for 2006 Audi A4. In addition, the cost of maintenance, including insurance, on 2006 Audi A4 would be higher. At 3,123 cc (6 cylinders), 2006 Audi A4 is equipped with a bigger engine. In terms of performance, 2011 Audi S4 (333 HP @ 5500 RPM) has 81 more horse power than 2006 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2011 Audi S4 should accelerate faster than 2006 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi S4 weights approximately 372 kg more than 2006 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Audi S4 is all wheel drive (AWD), it will have significant more traction and grip than 2006 Audi A4. In wet, icy, snow, or gravel driving conditions, 2011 Audi S4 will offer significantly more control. 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 110 more torque (in Nm) than 2006 Audi A4. (330 Nm @ 3250 RPM). This means 2011 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A4.
Compare all specifications:
| 2006 Audi A4 | 2011 Audi S4 | |
| Make | Audi | Audi |
| Model | A4 | S4 |
| Year Released | 2006 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 252 HP | 333 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 330 Nm | 440 Nm |
| Torque RPM | 3250 RPM | 2900 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1278 kg | 1650 kg |
| Vehicle Length | 4590 mm | 4704 mm |
| Vehicle Width | 1780 mm | 1829 mm |
| Vehicle Height | 1430 mm | 1427 mm |
| Wheelbase Size | 2650 mm | 2809 mm |
| Fuel Tank Capacity | 63 L | 64 L |
