2009 Audi A6 vs. 2011 Audi S5
To start off, 2011 Audi S5 is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Audi A6. In addition, the cost of maintenance, including insurance, on 2009 Audi A6 would be higher. At 3,129 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (342 HP @ 6500 RPM) has 9 more horse power than 2011 Audi S5. (333 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2011 Audi S5. With that said, vehicle weight also plays an important factor in acceleration. 2011 Audi S5 weights approximately 415 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, 2011 Audi S5 (440 Nm @ 2900 RPM) has 197 more torque (in Nm) than 2009 Audi A6. (243 Nm @ 3250 RPM). This means 2011 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6. 2009 Audi A6 has automatic transmission and 2011 Audi S5 has manual transmission. 2011 Audi S5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A6 | 2011 Audi S5 | |
| Make | Audi | Audi |
| Model | A6 | S5 |
| Year Released | 2009 | 2011 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3129 cc | 3000 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 333 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 243 Nm | 440 Nm |
| Torque RPM | 3250 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1540 kg | 1955 kg |
| Vehicle Length | 4920 mm | 4623 mm |
| Vehicle Width | 1470 mm | 1852 mm |
| Vehicle Height | 1860 mm | 1382 mm |
| Wheelbase Size | 2850 mm | 2751 mm |
| Fuel Tank Capacity | 70 L | 64 L |
