2009 Audi A5 vs. 2011 Audi S6
To start off, 2011 Audi S6 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A5. In addition, the cost of maintenance, including insurance, on 2009 Audi A5 would be higher. At 5,200 cc (10 cylinders), 2011 Audi S6 is equipped with a bigger engine. In terms of performance, 2011 Audi S6 (435 HP @ 6800 RPM) has 170 more horse power than 2009 Audi A5. (265 HP @ 6500 RPM) In normal driving conditions, 2011 Audi S6 should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi S6 weights approximately 1140 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2011 Audi S6 (539 Nm @ 3000 RPM) has 209 more torque (in Nm) than 2009 Audi A5. (330 Nm @ 3250 RPM). This means 2011 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5.
Compare all specifications:
| 2009 Audi A5 | 2011 Audi S6 | |
| Make | Audi | Audi |
| Model | A5 | S6 |
| Year Released | 2009 | 2011 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3197 cc | 5200 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 435 HP |
| Engine RPM | 6500 RPM | 6800 RPM |
| Torque | 330 Nm | 539 Nm |
| Torque RPM | 3250 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 895 kg | 2035 kg |
| Vehicle Length | 4630 mm | 4915 mm |
| Vehicle Width | 1990 mm | 1864 mm |
| Vehicle Height | 1380 mm | 1458 mm |
| Wheelbase Size | 2760 mm | 2847 mm |
| Fuel Consumption | 9.1 L/100km | 11.2 L/100km |
| Fuel Consumption City | 13.8 L/100km | 16.8 L/100km |
| Fuel Tank Capacity | 64 L | 80 L |
