2005 Audi S4 vs. 2007 Audi A6
To start off, 2007 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi S4. In addition, the cost of maintenance, including insurance, on 2005 Audi S4 would be higher. At 4,161 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 162 more horse power than 2007 Audi A6. (178 HP @ 3300 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2007 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 185 kg more than 2007 Audi A6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 30 more torque (in Nm) than 2007 Audi A6. (380 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A6.
Compare all specifications:
| 2005 Audi S4 | 2007 Audi A6 | |
| Make | Audi | Audi |
| Model | S4 | A6 |
| Year Released | 2005 | 2007 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4161 cc | 3698 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 178 HP |
| Engine RPM | 6300 RPM | 3300 RPM |
| Torque | 410 Nm | 380 Nm |
| Engine Bore Size | 85 mm | 83 mm |
| Engine Stroke Size | 93 mm | 83.1 mm |
| Engine Compression Ratio | 11.0:1 | 17.0:1 |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1655 kg |
| Vehicle Length | 4580 mm | 4920 mm |
| Vehicle Width | 1780 mm | 1470 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2660 mm | 2850 mm |
| Fuel Consumption Overall | 11.8 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
