2002 Infiniti QX4 vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 7 year(s). Which means there will be less support and parts availability for 2002 Infiniti QX4. In addition, the cost of maintenance, including insurance, on 2002 Infiniti QX4 would be higher. At 3,498 cc (6 cylinders), 2002 Infiniti QX4 is equipped with a bigger engine. In terms of performance, 2009 Mercury Mariner (240 HP @ 6550 RPM) has 2 more horse power than 2002 Infiniti QX4. (238 HP @ 6000 RPM) In normal driving conditions, 2009 Mercury Mariner should accelerate faster than 2002 Infiniti QX4. With that said, vehicle weight also plays an important factor in acceleration. 2002 Infiniti QX4 weights approximately 35 kg more than 2009 Mercury Mariner.
Because 2002 Infiniti QX4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercury Mariner. In wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Infiniti QX4 (359 Nm @ 3200 RPM) has 57 more torque (in Nm) than 2009 Mercury Mariner. (302 Nm @ 4500 RPM). This means 2002 Infiniti QX4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner.
Compare all specifications:
| 2002 Infiniti QX4 | 2009 Mercury Mariner | |
| Make | Infiniti | Mercury |
| Model | QX4 | Mariner |
| Year Released | 2002 | 2009 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 3498 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 238 HP | 240 HP |
| Engine RPM | 6000 RPM | 6550 RPM |
| Torque | 359 Nm | 302 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1960 kg | 1925 kg |
| Vehicle Length | 4660 mm | 4460 mm |
| Vehicle Width | 1850 mm | 1810 mm |
| Vehicle Height | 1800 mm | 1730 mm |
| Wheelbase Size | 2710 mm | 2630 mm |
