2005 BMW 325 vs. 2006 Audi S4
To start off, 2006 Audi S4 is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 325. In addition, the cost of maintenance, including insurance, on 2005 BMW 325 would be higher. At 4,162 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 155 more horse power than 2005 BMW 325. (184 HP @ 7400 RPM) In normal driving conditions, 2006 Audi S4 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 275 kg more than 2005 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, 2006 Audi S4 (410 Nm) has 173 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2006 Audi S4 | |
| Make | BMW | Audi |
| Model | 325 | S4 |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4162 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 5 valves |
| Horse Power | 184 HP | 339 HP |
| Engine RPM | 7400 RPM | 7000 RPM |
| Torque | 237 Nm | 410 Nm |
| Engine Bore Size | 84 mm | 84.5 mm |
| Engine Stroke Size | 75 mm | 92.8 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1460 kg | 1735 kg |
| Vehicle Length | 4480 mm | 4580 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2730 mm | 2660 mm |
| Fuel Consumption Overall | 9.8 L/100km | 13.4 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
