2005 Infiniti QX4 vs. 2004 Mercury Mariner
To start off, 2005 Infiniti QX4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Mercury Mariner. In addition, the cost of maintenance, including insurance, on 2004 Mercury Mariner would be higher. At 3,496 cc (6 cylinders), 2005 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2005 Infiniti QX4 (238 HP @ 6000 RPM) has 86 more horse power than 2004 Mercury Mariner. (152 HP @ 5800 RPM). In normal driving conditions, 2005 Infiniti QX4 should accelerate faster than 2004 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2005 Infiniti QX4 weights approximately 415 kg more than 2004 Mercury Mariner. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2005 Infiniti QX4 (359 Nm @ 3200 RPM) has 153 more torque (in Nm) than 2004 Mercury Mariner. (206 Nm @ 4250 RPM). This means 2005 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Mercury Mariner.
Compare all specifications:
| 2005 Infiniti QX4 | 2004 Mercury Mariner | |
| Make | Infiniti | Mercury |
| Model | QX4 | Mariner |
| Year Released | 2005 | 2004 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3496 cc | 2260 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 152 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 359 Nm | 206 Nm |
| Torque RPM | 3200 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1960 kg | 1545 kg |
| Vehicle Length | 4660 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1790 mm |
| Vehicle Height | 1800 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2630 mm |
