2009 BMW 320 vs. 2007 BMW M3
To start off, 2009 BMW 320 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW M3. In addition, the cost of maintenance, including insurance, on 2007 BMW M3 would be higher. At 3,245 cc (6 cylinders), 2007 BMW M3 is equipped with a bigger engine. In terms of performance, 2007 BMW M3 (338 HP @ 7900 RPM) has 190 more horse power than 2009 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2007 BMW M3 should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW M3 weights approximately 165 kg more than 2009 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, 2007 BMW M3 (365 Nm @ 4900 RPM) has 35 more torque (in Nm) than 2009 BMW 320. (330 Nm @ 2000 RPM). This means 2007 BMW M3 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 320.
Compare all specifications:
| 2009 BMW 320 | 2007 BMW M3 | |
| Make | BMW | BMW |
| Model | 320 | M3 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 3245 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 338 HP |
| Engine RPM | 4000 RPM | 7900 RPM |
| Torque | 330 Nm | 365 Nm |
| Torque RPM | 2000 RPM | 4900 RPM |
| Engine Bore Size | 84 mm | 87 mm |
| Engine Stroke Size | 90 mm | 91 mm |
| Engine Compression Ratio | 17.0:1 | 11.5:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 221 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 5.5 seconds |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1490 kg | 1655 kg |
| Vehicle Length | 4480 mm | 4500 mm |
| Vehicle Width | 1750 mm | 1790 mm |
| Vehicle Height | 1420 mm | 1380 mm |
| Wheelbase Size | 2730 mm | 2740 mm |
| Fuel Consumption Overall | 5.8 L/100km | 12.1 L/100km |
| Fuel Tank Capacity | 63 L | 63 L |
