2009 Audi A6 vs. 2007 Audi S4
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 S4. In addition, the cost of maintenance, including insurance, on 2007 Audi S4 would be higher. Both 2009 Audi A6 and 2007 Audi S4 are equipped with a 4,163 cc engine. In terms of performance, 2009 Audi A6 (350 HP @ 6800 RPM) has 11 more horse power than 2007 Audi S4. (339 HP @ 7000 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 2007 Audi S4.
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 (441 Nm @ 3500 RPM) has 31 more torque (in Nm) than 2007 Audi S4. (410 Nm @ 3500 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi S4.
Compare all specifications:
| 2009 Audi A6 | 2007 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4163 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 350 HP | 339 HP |
| Engine RPM | 6800 RPM | 7000 RPM |
| Torque | 441 Nm | 410 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84.6 mm |
| Engine Stroke Size | 92.8 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4930 mm | 4590 mm |
| Vehicle Width | 2040 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2850 mm | 2650 mm |
| Fuel Consumption Overall | 13.2 L/100km | 12.3 L/100km |
| Fuel Tank Capacity | 80 L | 63 L |
