2006 Audi RS4 vs. 2008 BMW 325
To start off, 2008 BMW 325 is newer by 2 year(s). Which means there will be less support and parts availability for 2006 Audi RS4. In addition, the cost of maintenance, including insurance, on 2006 Audi RS4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi RS4 is equipped with a bigger engine. In terms of performance, 2006 Audi RS4 (414 HP @ 7800 RPM) has 225 more horse power than 2008 BMW 325. (189 HP @ 6000 RPM). In normal driving conditions, 2006 Audi RS4 should accelerate faster than 2008 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi RS4 weights approximately 75 kg more than 2008 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, 2006 Audi RS4 (430 Nm @ 5500 RPM) has 185 more torque (in Nm) than 2008 BMW 325. (245 Nm @ 3500 RPM). This means 2006 Audi RS4 will have an easier job in driving up hills or pulling heavy equipment than 2008 BMW 325. 2008 BMW 325 has automatic transmission and 2006 Audi RS4 has manual transmission. 2006 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW 325 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Audi RS4 | 2008 BMW 325 | |
| Make | Audi | BMW |
| Model | RS4 | 325 |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2494 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 189 HP |
| Engine RPM | 7800 RPM | 6000 RPM |
| Torque | 430 Nm | 245 Nm |
| Torque RPM | 5500 RPM | 3500 RPM |
| Engine Bore Size | 84.5 mm | 84 mm |
| Engine Stroke Size | 92.8 mm | 75 mm |
| Engine Compression Ratio | 12.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 234 km/hour |
| Acceleration 0-100mph | 5.1 seconds | 7.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1650 kg | 1575 kg |
| Vehicle Length | 4590 mm | 4480 mm |
| Vehicle Width | 1820 mm | 1750 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2660 mm | 2730 mm |
| Fuel Consumption Overall | 13.6 L/100km | 10 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
