2009 Audi A6 vs. 2008 Audi RS6
To start off, 2009 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Audi RS6. In addition, the cost of maintenance, including insurance, on 2008 Audi RS6 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 265 more horse power than 2009 Audi A6. (179 HP @ 4000 RPM) In normal driving conditions, 2008 Audi RS6 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi RS6 weights approximately 340 kg more than 2009 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 2009 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 @ 1950 RPM) has 190 more torque (in Nm) than 2009 Audi A6. (370 Nm @ 1500 RPM). This means 2008 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 2008 Audi RS6 | |
| Make | Audi | Audi |
| Model | A6 | RS6 |
| Year Released | 2009 | 2008 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 4172 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 179 HP | 444 HP |
| Engine RPM | 4000 RPM | 5700 RPM |
| Torque | 370 Nm | 560 Nm |
| Torque RPM | 1500 RPM | 1950 RPM |
| Engine Bore Size | 78.3 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 93 mm |
| Engine Compression Ratio | 19.0:1 | 9.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 219 km/hour | 250 km/hour |
| Acceleration 0-100mph | 9.1 seconds | 4.7 seconds |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1615 kg | 1955 kg |
| Vehicle Length | 4800 mm | 4840 mm |
| Vehicle Width | 1820 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 8.1 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 70 L | 82 L |
