2003 Infiniti QX4 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 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2003 Infiniti QX4 would be higher. At 6,206 cc (8 cylinders), 2007 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz CLS (507 HP @ 6800 RPM) has 269 more horse power than 2003 Infiniti QX4. (238 HP @ 6000 RPM) In normal driving conditions, 2007 Mercedes-Benz CLS should accelerate faster than 2003 Infiniti QX4.
Because 2003 Infiniti QX4 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 Infiniti QX4 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 (631 Nm @ 5200 RPM) has 272 more torque (in Nm) than 2003 Infiniti QX4. (359 Nm @ 3200 RPM). This means 2007 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2003 Infiniti QX4.
Compare all specifications:
| 2003 Infiniti QX4 | 2007 Mercedes-Benz CLS | |
| Make | Infiniti | Mercedes-Benz |
| Model | QX4 | CLS |
| Year Released | 2003 | 2007 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 6206 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 507 HP |
| Engine RPM | 6000 RPM | 6800 RPM |
| Torque | 359 Nm | 631 Nm |
| Torque RPM | 3200 RPM | 5200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 4660 mm | 4910 mm |
| Vehicle Width | 1850 mm | 1880 mm |
| Vehicle Height | 1800 mm | 1400 mm |
| Wheelbase Size | 2710 mm | 2860 mm |
