2004 Audi A6 vs. 2008 Audi RS6
To start off, 2008 Audi RS6 is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Audi A6. In addition, the cost of maintenance, including insurance, on 2004 Audi A6 would be higher. At 4,172 cc (8 cylinders), 2008 Audi RS6 is equipped with a bigger engine. In terms of performance, 2008 Audi RS6 (444 HP @ 5700 RPM) has 224 more horse power than 2004 Audi A6. (220 HP @ 6500 RPM) In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 195 kg more than 2004 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 2004 Audi A6. In wet, icy, snow, or gravel driving conditions, 2008 Audi RS6 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, 2008 Audi RS6 (560 Nm) has 260 more torque (in Nm) than 2004 Audi A6. (300 Nm). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 2008 Audi RS6 | |
| Make | Audi | Audi |
| Model | A6 | RS6 |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 220 HP | 444 HP |
| Engine RPM | 6500 RPM | 5700 RPM |
| Torque | 300 Nm | 560 Nm |
| Engine Compression Ratio | 10.5:1 | 9.0:1 |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1955 kg |
| Vehicle Length | 4880 mm | 4840 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 11.2 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 70 L | 82 L |
