2007 BMW X3 vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 5 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 4,663 cc (8 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (402 HP @ 5000 RPM) has 187 more horse power than 2007 BMW X3. (215 HP @ 4000 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 2007 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 171 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, 2012 Mercedes-Benz CLS (600 Nm @ 1800 RPM) has 120 more torque (in Nm) than 2007 BMW X3. (480 Nm @ 1750 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW X3.
Compare all specifications:
| 2007 BMW X3 | 2012 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | CLS |
| Year Released | 2007 | 2012 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 402 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 480 Nm | 600 Nm |
| Torque RPM | 1750 RPM | 1800 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | AWD |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1765 kg | 1936 kg |
| Vehicle Length | 4570 mm | 4940 mm |
| Vehicle Width | 1680 mm | 1882 mm |
| Vehicle Height | 1860 mm | 1417 mm |
| Wheelbase Size | 2800 mm | 2875 mm |
| Fuel Tank Capacity | 67 L | 80 L |
