2007 BMW X3 vs. 2013 BMW X6
To start off, 2013 BMW X6 is newer by 6 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 4,395 cc (6 cylinders), 2013 BMW X6 is equipped with a bigger engine. In terms of performance, 2013 BMW X6 (296 HP @ 5800 RPM) has 67 more horse power than 2007 BMW X3. (229 HP @ 5900 RPM) In normal driving conditions, 2013 BMW X6 should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW X6 weights approximately 405 kg more than 2007 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2013 BMW X6 (407 Nm @ 5000 RPM) has 107 more torque (in Nm) than 2007 BMW X3. (300 Nm @ 3500 RPM). This means 2013 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2013 BMW X6 | |
| Make | BMW | BMW |
| Model | X3 | X6 |
| Year Released | 2007 | 2013 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 4395 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 229 HP | 296 HP |
| Engine RPM | 5900 RPM | 5800 RPM |
| Torque | 300 Nm | 407 Nm |
| Torque RPM | 3500 RPM | 5000 RPM |
| Engine Compression Ratio | 10.2:1 | 10.2 : 1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 8-speed automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1765 kg | 2170 kg |
| Vehicle Length | 4570 mm | 4877 mm |
| Vehicle Width | 1860 mm | 2195 mm |
| Vehicle Height | 1680 mm | 1690 mm |
| Wheelbase Size | 2800 mm | 2933 mm |
| Fuel Consumption Highway | 9.4 L/100km | 8.6 L/100km |
| Fuel Tank Capacity | 67 L | 85 L |
