2004 BMW M5 vs. 2006 BMW 325
To start off, 2006 BMW 325 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 BMW M5. In addition, the cost of maintenance, including insurance, on 2004 BMW M5 would be higher. At 4,999 cc (10 cylinders), 2004 BMW M5 is equipped with a bigger engine. In terms of performance, 2004 BMW M5 (500 HP @ 7400 RPM) has 311 more horse power than 2006 BMW 325. (189 HP @ 6000 RPM). In normal driving conditions, 2004 BMW M5 should accelerate faster than 2006 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW M5 weights approximately 213 kg more than 2006 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2004 BMW M5 (520 Nm @ 6100 RPM) has 275 more torque (in Nm) than 2006 BMW 325. (245 Nm @ 3500 RPM). This means 2004 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2006 BMW 325. 2006 BMW 325 has automatic transmission and 2004 BMW M5 has manual transmission. 2004 BMW M5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 BMW 325 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 BMW M5 | 2006 BMW 325 | |
| Make | BMW | BMW |
| Model | M5 | 325 |
| Year Released | 2004 | 2006 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 2494 cc |
| Engine Cylinders | 10 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 189 HP |
| Engine RPM | 7400 RPM | 6000 RPM |
| Torque | 520 Nm | 245 Nm |
| Torque RPM | 6100 RPM | 3500 RPM |
| Engine Bore Size | 92 mm | 84 mm |
| Engine Stroke Size | 75.2 mm | 75 mm |
| Engine Compression Ratio | 12.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 237 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 7.8 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1758 kg | 1545 kg |
| Vehicle Length | 4850 mm | 4480 mm |
| Vehicle Width | 1850 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1420 mm |
| Wheelbase Size | 2840 mm | 2730 mm |
| Fuel Consumption Overall | 14.8 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 70 L | 63 L |
