2007 BMW X3 vs. 2003 Kia Sorento
To start off, 2007 BMW X3 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Kia Sorento. In addition, the cost of maintenance, including insurance, on 2003 Kia Sorento would be higher. At 2,494 cc (6 cylinders), 2007 BMW X3 is equipped with a bigger engine. In terms of performance, 2007 BMW X3 (189 HP @ 6000 RPM) has 51 more horse power than 2003 Kia Sorento. (138 HP @ 3800 RPM). In normal driving conditions, 2007 BMW X3 should accelerate faster than 2003 Kia Sorento. With that said, vehicle weight also plays an important factor in acceleration. 2003 Kia Sorento weights approximately 240 kg more than 2007 BMW X3.
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, 2003 Kia Sorento (314 Nm @ 2000 RPM) has 69 more torque (in Nm) than 2007 BMW X3. (245 Nm @ 3500 RPM). This means 2003 Kia Sorento will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2003 Kia Sorento | |
| Make | BMW | Kia |
| Model | X3 | Sorento |
| Year Released | 2007 | 2003 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2359 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 189 HP | 138 HP |
| Engine RPM | 6000 RPM | 3800 RPM |
| Torque | 245 Nm | 314 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1740 kg | 1980 kg |
| Vehicle Length | 4570 mm | 4500 mm |
| Vehicle Width | 1680 mm | 1840 mm |
| Vehicle Height | 1860 mm | 1710 mm |
| Wheelbase Size | 2800 mm | 2670 mm |
| Fuel Tank Capacity | 67 L | 80 L |
