2005 Audi A6 vs. 2004 Audi S4
To start off, 2005 Audi A6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Audi S4. In addition, the cost of maintenance, including insurance, on 2004 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (340 HP @ 6200 RPM) has 93 more horse power than 2005 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 2004 Audi S4 should accelerate faster than 2005 Audi A6.
Let's talk about torque, 2004 Audi S4 (411 Nm) has 91 more torque (in Nm) than 2005 Audi A6. (320 Nm). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6.
Compare all specifications:
| 2005 Audi A6 | 2004 Audi S4 | |
| Make | Audi | Audi |
| Model | A6 | S4 |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 4163 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 247 HP | 340 HP |
| Engine RPM | 6300 RPM | 6200 RPM |
| Torque | 320 Nm | 411 Nm |
| Engine Bore Size | 84.5 mm | 85 mm |
| Engine Stroke Size | 92.8 mm | 93 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4940 mm | 4580 mm |
| Vehicle Width | 1870 mm | 1780 mm |
| Vehicle Height | 1470 mm | 1400 mm |
| Wheelbase Size | 2850 mm | 2770 mm |
| Fuel Tank Capacity | 70 L | 63 L |
