2009 Audi A6 vs. 2006 Audi RS4
To start off, 2009 Audi A6 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi RS4. In addition, the cost of maintenance, including insurance, on 2006 Audi RS4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (420 HP @ 8250 RPM) has 242 more horse power than 2009 Audi A6. (178 HP @ 3300 RPM) In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 221 kg more than 2006 Audi RS4.
Because 2006 Audi RS4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 2006 Audi RS4 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, 2006 Audi RS4 (583 Nm @ 5500 RPM) has 203 more torque (in Nm) than 2009 Audi A6. (380 Nm @ 1400 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2006 Audi RS4 | |
| Make | Audi | Audi |
| Model | A6 | RS4 |
| Year Released | 2009 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2698 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 178 HP | 420 HP |
| Engine RPM | 3300 RPM | 8250 RPM |
| Torque | 380 Nm | 583 Nm |
| Torque RPM | 1400 RPM | 5500 RPM |
| Top Speed | 220 km/hour | 245 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1770 kg | 1549 kg |
| Vehicle Length | 4940 mm | 360 mm |
| Vehicle Height | 1470 mm | 360 mm |
| Wheelbase Size | 2850 mm | 360 mm |
