2009 BMW X3 vs. 2007 Mercedes-Benz CLS
To start off, 2009 BMW X3 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz CLS. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz CLS would be higher. At 5,439 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (469 HP @ 6100 RPM) has 209 more horse power than 2009 BMW X3. (260 HP @ 6600 RPM) In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2009 BMW X3. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz CLS weights approximately 190 kg more than 2009 BMW X3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz CLS. In wet, icy, snow, or gravel driving conditions, 2009 BMW X3 will offer significantly more control. 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 Mercedes-Benz CLS (700 Nm @ 2650 RPM) has 395 more torque (in Nm) than 2009 BMW X3. (305 Nm @ 2750 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW X3. 2007 Mercedes-Benz CLS has automatic transmission and 2009 BMW X3 has manual transmission. 2009 BMW X3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz CLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 BMW X3 | 2007 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | X3 | CLS |
| Year Released | 2009 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 260 HP | 469 HP |
| Engine RPM | 6600 RPM | 6100 RPM |
| Torque | 305 Nm | 700 Nm |
| Torque RPM | 2750 RPM | 2650 RPM |
| Engine Compression Ratio | 10.7:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1730 kg | 1920 kg |
| Vehicle Length | 4580 mm | 4920 mm |
| Vehicle Width | 1860 mm | 1880 mm |
| Vehicle Height | 1680 mm | 1400 mm |
| Wheelbase Size | 2800 mm | 2860 mm |
| Fuel Consumption | 10.4 L/100km | 10.7 L/100km |
| Fuel Consumption City | 14.9 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 12.5 L/100km | 13.6 L/100km |
| Fuel Tank Capacity | 67 L | 80 L |
