2003 BMW X5 vs. 2007 Mercedes-Benz CLS
To start off, 2007 Mercedes-Benz CLS is newer by 4 year(s). Which means there will be less support and parts availability for 2003 BMW X5. In addition, the cost of maintenance, including insurance, on 2003 BMW X5 would be higher. At 5,460 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (382 HP @ 6000 RPM) has 167 more horse power than 2003 BMW X5. (215 HP @ 4000 RPM) In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2003 BMW X5.
Because 2003 BMW X5 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, 2003 BMW X5 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 (530 Nm @ 2800 RPM) has 30 more torque (in Nm) than 2003 BMW X5. (500 Nm @ 2000 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW X5. 2007 Mercedes-Benz CLS has automatic transmission and 2003 BMW X5 has manual transmission. 2003 BMW X5 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:
| 2003 BMW X5 | 2007 Mercedes-Benz CLS | |
| Make | BMW | Mercedes-Benz |
| Model | X5 | CLS |
| Year Released | 2003 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 5460 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 215 HP | 382 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 500 Nm | 530 Nm |
| Torque RPM | 2000 RPM | 2800 RPM |
| Engine Bore Size | 84.1 mm | 98 mm |
| Engine Stroke Size | 90 mm | 90.5 mm |
| Engine Compression Ratio | 18.0:1 | 10.7:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4670 mm | 4910 mm |
| Vehicle Width | 1880 mm | 1880 mm |
| Vehicle Height | 1720 mm | 1400 mm |
| Wheelbase Size | 2940 mm | 2860 mm |
| Fuel Consumption | 7 L/100km | 10.7 L/100km |
| Fuel Consumption City | 11.4 L/100km | 15.7 L/100km |
| Fuel Consumption Overall | 8.6 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 93 L | 80 L |
