2005 BMW 320 vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 320. In addition, the cost of maintenance, including insurance, on 2005 BMW 320 would be higher. At 2,170 cc (6 cylinders), 2005 BMW 320 is equipped with a bigger engine. In terms of performance, 2005 BMW 320 (168 HP @ 6100 RPM) has 20 more horse power than 2007 BMW X3. (148 HP @ 6200 RPM). In normal driving conditions, 2005 BMW 320 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X3 weights approximately 135 kg more than 2005 BMW 320.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2005 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, 2005 BMW 320 (210 Nm @ 3500 RPM) has 10 more torque (in Nm) than 2007 BMW X3. (200 Nm @ 3750 RPM). This means 2005 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2005 BMW 320 | 2007 BMW X3 | |
| Make | BMW | BMW |
| Model | 320 | X3 |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | SUV |
| Engine Position | Front | Front |
| Engine Size | 2170 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 168 HP | 148 HP |
| Engine RPM | 6100 RPM | 6200 RPM |
| Torque | 210 Nm | 200 Nm |
| Torque RPM | 3500 RPM | 3750 RPM |
| Engine Bore Size | 80 mm | 84 mm |
| Engine Stroke Size | 72 mm | 90 mm |
| Engine Compression Ratio | 11.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 224 km/hour | 198 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 11.5 seconds |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1655 kg |
| Vehicle Length | 4480 mm | 4570 mm |
| Vehicle Width | 1750 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1680 mm |
| Wheelbase Size | 2830 mm | 2800 mm |
| Fuel Consumption Overall | 9 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 63 L | 67 L |
