2009 Audi RS6 vs. 2007 Audi A6
To start off, 2009 Audi RS6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi A6. In addition, the cost of maintenance, including insurance, on 2007 Audi A6 would be higher. At 4,991 cc (10 cylinders), 2009 Audi RS6 is equipped with a bigger engine. In terms of performance, 2009 Audi RS6 (572 HP @ 6250 RPM) has 393 more horse power than 2007 Audi A6. (179 HP @ 3300 RPM). In normal driving conditions, 2009 Audi RS6 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS6 weights approximately 333 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2009 Audi RS6 (650 Nm @ 1500 RPM) has 270 more torque (in Nm) than 2007 Audi A6. (380 Nm @ 1400 RPM). This means 2009 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6. 2009 Audi RS6 has automatic transmission and 2007 Audi A6 has manual transmission. 2007 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi RS6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi RS6 | 2007 Audi A6 | |
| Make | Audi | Audi |
| Model | RS6 | A6 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4991 cc | 2698 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 572 HP | 179 HP |
| Engine RPM | 6250 RPM | 3300 RPM |
| Torque | 650 Nm | 380 Nm |
| Torque RPM | 1500 RPM | 1400 RPM |
| Engine Bore Size | 84.5 mm | 83 mm |
| Engine Stroke Size | 89 mm | 83.1 mm |
| Engine Compression Ratio | 10.5:1 | 17.0:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 223 km/hour |
| Acceleration 0-100mph | 4.6 seconds | 9.1 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2028 kg | 1695 kg |
| Vehicle Length | 4930 mm | 4590 mm |
| Vehicle Width | 1900 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2850 mm | 2850 mm |
| Fuel Consumption Overall | 6.8 L/100km | 8.3 L/100km |
| Fuel Tank Capacity | 80 L | 80 L |
