2009 Audi S5 vs. 2006 Audi A6
To start off, 2009 Audi S5 is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi A6. In addition, the cost of maintenance, including insurance, on 2006 Audi A6 would be higher. At 4,163 cc (8 cylinders), 2009 Audi S5 is equipped with a bigger engine. In terms of performance, 2009 Audi S5 (354 HP @ 6800 RPM) has 179 more horse power than 2006 Audi A6. (175 HP @ 6000 RPM). In normal driving conditions, 2009 Audi S5 should accelerate faster than 2006 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi S5 weights approximately 288 kg more than 2006 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 S5 (441 Nm @ 3500 RPM) has 211 more torque (in Nm) than 2006 Audi A6. (230 Nm @ 3000 RPM). This means 2009 Audi S5 will have an easier job in driving up hills or pulling heavy equipment than 2006 Audi A6.
Compare all specifications:
| 2009 Audi S5 | 2006 Audi A6 | |
| Make | Audi | Audi |
| Model | S5 | A6 |
| Year Released | 2009 | 2006 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2393 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 354 HP | 175 HP |
| Engine RPM | 6800 RPM | 6000 RPM |
| Torque | 441 Nm | 230 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 81 mm |
| Engine Stroke Size | 92.8 mm | 77.4 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 249 km/hour | 230 km/hour |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1482 kg |
| Vehicle Length | 4640 mm | 4800 mm |
| Vehicle Width | 1990 mm | 1820 mm |
| Vehicle Height | 1380 mm | 1460 mm |
| Wheelbase Size | 2760 mm | 2770 mm |
| Fuel Consumption Overall | 14.7 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
