2005 Audi S6 vs. 2004 BMW 325
To start off, 2005 Audi S6 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 BMW 325. In addition, the cost of maintenance, including insurance, on 2004 BMW 325 would be higher. At 4,172 cc (8 cylinders), 2005 Audi S6 is equipped with a bigger engine. In terms of performance, 2005 Audi S6 (335 HP @ 7000 RPM) has 151 more horse power than 2004 BMW 325. (184 HP @ 7250 RPM). In normal driving conditions, 2005 Audi S6 should accelerate faster than 2004 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S6 weights approximately 165 kg more than 2004 BMW 325. 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 S6 (420 Nm) has 183 more torque (in Nm) than 2004 BMW 325. (237 Nm). This means 2005 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 325.
Compare all specifications:
| 2005 Audi S6 | 2004 BMW 325 | |
| Make | Audi | BMW |
| Model | S6 | 325 |
| Year Released | 2005 | 2004 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 2490 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 184 HP |
| Engine RPM | 7000 RPM | 7250 RPM |
| Torque | 420 Nm | 237 Nm |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 93 mm | 75 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1760 kg | 1595 kg |
| Wheelbase Size | 2770 mm | 2730 mm |
| Fuel Tank Capacity | 82 L | 63 L |
