2007 Audi S8 vs. 2009 Audi A6
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 S8. In addition, the cost of maintenance, including insurance, on 2007 Audi S8 would be higher. At 4,171 cc (8 cylinders), 2007 Audi S8 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S8 weights approximately 70 kg more than 2009 Audi A6.
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, 2007 Audi S8 (430 Nm @ 3400 RPM) has 100 more torque (in Nm) than 2009 Audi A6. (330 Nm @ 3250 RPM). This means 2007 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2007 Audi S8 | 2009 Audi A6 | |
| Make | Audi | Audi |
| Model | S8 | A6 |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 3123 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 0 HP | 252 HP |
| Torque | 430 Nm | 330 Nm |
| Torque RPM | 3400 RPM | 3250 RPM |
| Drive Type | AWD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1680 kg |
| Wheelbase Size | 2290 mm | 2850 mm |
| Fuel Tank Capacity | 90 L | 80 L |
