2009 Audi A6 vs. 2007 Audi S6
To start off, 2009 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi S6. In addition, the cost of maintenance, including insurance, on 2007 Audi S6 would be higher. At 5,204 cc (10 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (430 HP @ 6800 RPM) has 95 more horse power than 2007 Audi S6. (335 HP @ 7000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2007 Audi S6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 150 kg more than 2007 Audi S6. 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 A6 (540 Nm @ 3000 RPM) has 120 more torque (in Nm) than 2007 Audi S6. (420 Nm @ 3400 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S6.
Compare all specifications:
| 2009 Audi A6 | 2007 Audi S6 | |
| Make | Audi | Audi |
| Model | A6 | S6 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5204 cc | 4172 cc |
| Engine Cylinders | 10 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 430 HP | 335 HP |
| Engine RPM | 6800 RPM | 7000 RPM |
| Torque | 540 Nm | 420 Nm |
| Torque RPM | 3000 RPM | 3400 RPM |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 250 km/hour | 245 km/hour |
| Acceleration 0-100mph | 5.2 seconds | 6.7 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1760 kg |
| Vehicle Length | 4920 mm | 4840 mm |
| Vehicle Width | 1870 mm | 2000 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2850 mm | 2770 mm |
| Fuel Consumption Overall | 13.4 L/100km | 14.3 L/100km |
| Fuel Tank Capacity | 80 L | 82 L |
