2009 BMW 320 vs. 2007 BMW X3
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 X3. In addition, the cost of maintenance, including insurance, on 2007 BMW X3 would be higher. At 2,993 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (215 HP @ 4000 RPM) has 67 more horse power than 2009 BMW 320. (148 HP @ 4000 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2009 BMW 320. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 275 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.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW 320. In wet, icy, snow, or gravel driving conditions, 2007 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, 2007 BMW X3 (480 Nm @ 1750 RPM) has 150 more torque (in Nm) than 2009 BMW 320. (330 Nm @ 2000 RPM). This means 2007 BMW X3 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 X3 | |
| Make | BMW | BMW |
| Model | 320 | X3 |
| Year Released | 2009 | 2007 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 2993 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 215 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 330 Nm | 480 Nm |
| Torque RPM | 2000 RPM | 1750 RPM |
| Engine Bore Size | 84 mm | 84 mm |
| Engine Stroke Size | 90 mm | 90 mm |
| Engine Compression Ratio | 17.0:1 | 17.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 221 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.8 seconds | 8.2 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1490 kg | 1765 kg |
| Vehicle Length | 4480 mm | 4570 mm |
| Vehicle Width | 1750 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1880 mm |
| Wheelbase Size | 2730 mm | 2800 mm |
| Fuel Consumption Overall | 5.8 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 63 L | 67 L |
