2005 Audi S4 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 4 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 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 6300 RPM) has 212 more horse power than 2009 Audi A6. (128 HP @ 5700 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 285 kg more than 2009 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 215 more torque (in Nm) than 2009 Audi A6. (195 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2005 Audi S4 | 2009 Audi A6 | |
| Make | Audi | Audi |
| Model | S4 | A6 |
| Year Released | 2005 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1984 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 340 HP | 128 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 410 Nm | 195 Nm |
| Engine Bore Size | 85.1 mm | 82.5 mm |
| Engine Stroke Size | 93 mm | 92.8 mm |
| Engine Compression Ratio | 11.0:1 | 10.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1735 kg | 1450 kg |
| Vehicle Length | 4550 mm | 4800 mm |
| Vehicle Width | 1770 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 2770 mm |
| Fuel Consumption Overall | 13.8 L/100km | 8.5 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
