2009 BMW X3 vs. 2007 BMW 320
To start off, 2009 BMW X3 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 1,995 cc (4 cylinders), 2009 BMW X3 is equipped with a bigger engine. In terms of performance, both vehicles can yield 148 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW X3 weights approximately 261 kg more than 2007 BMW 320.
Because 2009 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW 320. In wet, icy, snow, or gravel driving conditions, 2009 BMW X3 will offer significantly more control. 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, both vehicles can yield 200 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2009 BMW X3 | 2007 BMW 320 | |
| Make | BMW | BMW |
| Model | X3 | 320 |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 148 HP |
| Engine RPM | 6200 RPM | 6200 RPM |
| Torque | 200 Nm | 200 Nm |
| Torque RPM | 3750 RPM | 3600 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 198 km/hour | 220 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 9 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1656 kg | 1395 kg |
| Vehicle Length | 4570 mm | 4530 mm |
| Vehicle Width | 1860 mm | 1820 mm |
| Vehicle Height | 1680 mm | 1430 mm |
| Wheelbase Size | 2800 mm | 2770 mm |
| Fuel Consumption Overall | 9.3 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 67 L | 63 L |
