2003 BMW X Activity vs. 2007 BMW X3
To start off, 2007 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW X Activity. In addition, the cost of maintenance, including insurance, on 2003 BMW X Activity would be higher. At 2,992 cc (6 cylinders), 2003 BMW X Activity is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (260 HP @ 6600 RPM) has 32 more horse power than 2003 BMW X Activity. (228 HP @ 5900 RPM) In normal driving conditions, 2007 BMW X3 should accelerate faster than 2003 BMW X Activity.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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 X3 (306 Nm @ 2750 RPM) has 6 more torque (in Nm) than 2003 BMW X Activity. (300 Nm @ 3500 RPM). This means 2007 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X Activity.
Compare all specifications:
| 2003 BMW X Activity | 2007 BMW X3 | |
| Make | BMW | BMW |
| Model | X Activity | X3 |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 2979 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 260 HP |
| Engine RPM | 5900 RPM | 6600 RPM |
| Torque | 300 Nm | 306 Nm |
| Torque RPM | 3500 RPM | 2750 RPM |
| Engine Bore Size | 84 mm | 85 mm |
| Engine Stroke Size | 89.6 mm | 88 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Length | 4560 mm | 4580 mm |
| Wheelbase Size | 2830 mm | 2800 mm |
| Fuel Tank Capacity | 63 L | 67 L |
