2005 BMW 325 vs. 2007 BMW M5
To start off, 2007 BMW M5 is newer by 2 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 4,999 cc (10 cylinders), 2007 BMW M5 is equipped with a bigger engine. In terms of performance, 2007 BMW M5 (500 HP @ 7750 RPM) has 311 more horse power than 2005 BMW 325. (189 HP @ 6000 RPM) In normal driving conditions, 2007 BMW M5 should accelerate faster than 2005 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M5 weights approximately 270 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.
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, 2007 BMW M5 (520 Nm @ 6100 RPM) has 275 more torque (in Nm) than 2005 BMW 325. (245 Nm @ 3500 RPM). This means 2007 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 325.
Compare all specifications:
| 2005 BMW 325 | 2007 BMW M5 | |
| Make | BMW | BMW |
| Model | 325 | M5 |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2491 cc | 4999 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | in-line | V |
| Horse Power | 189 HP | 500 HP |
| Engine RPM | 6000 RPM | 7750 RPM |
| Torque | 245 Nm | 520 Nm |
| Torque RPM | 3500 RPM | 6100 RPM |
| Engine Compression Ratio | 10.5:1 | 12.0:1 |
| Top Speed | 240 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.2 seconds | 4.7 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1485 kg | 1755 kg |
| Vehicle Length | 4530 mm | 4860 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2830 mm | 2890 mm |
| Fuel Consumption | 6.9 L/100km | 13.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.2 L/100km | 14.8 L/100km |
| Fuel Tank Capacity | 63 L | 70 L |
