2003 BMW X Activity vs. 2007 BMW X5
To start off, 2007 BMW X5 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 4,799 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (350 HP @ 6300 RPM) has 122 more horse power than 2003 BMW X Activity. (228 HP @ 5900 RPM) In normal driving conditions, 2007 BMW X5 should accelerate faster than 2003 BMW X Activity. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 570 kg more than 2003 BMW X Activity. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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 X5 (476 Nm @ 3400 RPM) has 176 more torque (in Nm) than 2003 BMW X Activity. (300 Nm @ 3500 RPM). This means 2007 BMW X5 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 X5 | |
| Make | BMW | BMW |
| Model | X Activity | X5 |
| Year Released | 2003 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2992 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 228 HP | 350 HP |
| Engine RPM | 5900 RPM | 6300 RPM |
| Torque | 300 Nm | 476 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Bore Size | 84 mm | 93 mm |
| Engine Stroke Size | 89.6 mm | 88.3 mm |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1630 kg | 2200 kg |
| Vehicle Length | 4560 mm | 4860 mm |
| Wheelbase Size | 2830 mm | 2940 mm |
| Fuel Tank Capacity | 63 L | 85 L |
