2007 BMW X3 vs. 2010 BMW 320
To start off, 2010 BMW 320 is newer by 3 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 2,979 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 78 more horse power than 2010 BMW 320. (182 HP @ 4000 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2010 BMW 320.
Because 2007 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2010 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, 2010 BMW 320 (380 Nm @ 2750 RPM) has 75 more torque (in Nm) than 2007 BMW X3. (305 Nm @ 2750 RPM). This means 2010 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3. 2007 BMW X3 has automatic transmission and 2010 BMW 320 has manual transmission. 2010 BMW 320 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW X3 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW X3 | 2010 BMW 320 | |
| Make | BMW | BMW |
| Model | X3 | 320 |
| Year Released | 2007 | 2010 |
| Body Type | SUV | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 260 HP | 182 HP |
| Engine RPM | 6600 RPM | 4000 RPM |
| Torque | 305 Nm | 380 Nm |
| Torque RPM | 2750 RPM | 2750 RPM |
| Engine Bore Size | 85.1 mm | 90 mm |
| Engine Stroke Size | 87.9 mm | 84 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | 6-speed manual |
| Number of Doors | 5 doors | 2 doors |
