2009 BMW M5 vs. 2007 BMW 320
To start off, 2009 BMW M5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW 320. In addition, the cost of maintenance, including insurance, on 2007 BMW 320 would be higher. At 4,999 cc (10 cylinders), 2009 BMW M5 is equipped with a bigger engine. In terms of performance, 2009 BMW M5 (500 HP @ 7750 RPM) has 352 more horse power than 2007 BMW 320. (148 HP @ 6200 RPM). In normal driving conditions, 2009 BMW M5 should accelerate faster than 2007 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW M5 weights approximately 486 kg more than 2007 BMW 320. 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, 2009 BMW M5 (520 Nm @ 6100 RPM) has 320 more torque (in Nm) than 2007 BMW 320. (200 Nm @ 3600 RPM). This means 2009 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW 320.
Compare all specifications:
| 2009 BMW M5 | 2007 BMW 320 | |
| Make | BMW | BMW |
| Model | M5 | 320 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4999 cc | 1995 cc |
| Engine Cylinders | 10 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 500 HP | 148 HP |
| Engine RPM | 7750 RPM | 6200 RPM |
| Torque | 520 Nm | 200 Nm |
| Torque RPM | 6100 RPM | 3600 RPM |
| Engine Compression Ratio | 12.0:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 250 km/hour | 215 km/hour |
| Acceleration 0-100mph | 4.7 seconds | 9.7 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 | 1836 kg | 1350 kg |
| Vehicle Length | 4860 mm | 4530 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1480 mm | 1430 mm |
| Wheelbase Size | 2900 mm | 2770 mm |
| Fuel Consumption Overall | 14.8 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 70 L | 60 L |
