2009 Audi RS4 vs. 2005 BMW 325
To start off, 2009 Audi RS4 is newer by 4 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 4,163 cc (8 cylinders), 2009 Audi RS4 is equipped with a bigger engine. In terms of performance, 2009 Audi RS4 (414 HP @ 7800 RPM) has 230 more horse power than 2005 BMW 325. (184 HP @ 7400 RPM). In normal driving conditions, 2009 Audi RS4 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi RS4 weights approximately 190 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, 2009 Audi RS4 (430 Nm) has 193 more torque (in Nm) than 2005 BMW 325. (237 Nm). This means 2009 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2009 Audi RS4 | 2005 BMW 325 | |
| Make | Audi | BMW |
| Model | RS4 | 325 |
| Year Released | 2009 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2492 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 184 HP |
| Engine RPM | 7800 RPM | 7400 RPM |
| Torque | 430 Nm | 237 Nm |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 12.5:1 | 10.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1460 kg |
| Vehicle Length | 4590 mm | 4480 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 13.6 L/100km | 9.8 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
