2005 Audi RS6 vs. 2007 BMW 325
To start off, 2007 BMW 325 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi RS6. In addition, the cost of maintenance, including insurance, on 2005 Audi RS6 would be higher. At 4,171 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 5700 RPM) has 228 more horse power than 2007 BMW 325. (216 HP @ 6500 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 2007 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 210 kg more than 2007 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 310 more torque (in Nm) than 2007 BMW 325. (250 Nm @ 2750 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 325.
Compare all specifications:
| 2005 Audi RS6 | 2007 BMW 325 | |
| Make | Audi | BMW |
| Model | RS6 | 325 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4171 cc | 2497 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 444 HP | 216 HP |
| Engine RPM | 5700 RPM | 6500 RPM |
| Torque | 560 Nm | 250 Nm |
| Torque RPM | 1950 RPM | 2750 RPM |
| Acceleration 0-100mph | 4.7 seconds | 7.5 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1825 kg | 1615 kg |
| Vehicle Length | 4800 mm | 4480 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2770 mm |
| Fuel Consumption Overall | 14.6 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 82 L | 63 L |
