2007 Infiniti QX56 vs. 1981 Mercury Cougar
To start off, 2007 Infiniti QX56 is newer by 26 year(s). Which means there will be less support and parts availability for 1981 Mercury Cougar. In addition, the cost of maintenance, including insurance, on 1981 Mercury Cougar would be higher. At 5,552 cc (8 cylinders), 2007 Infiniti QX56 is equipped with a bigger engine. In terms of performance, 2007 Infiniti QX56 (320 HP @ 4900 RPM) has 206 more horse power than 1981 Mercury Cougar. (114 HP @ 4000 RPM). In normal driving conditions, 2007 Infiniti QX56 should accelerate faster than 1981 Mercury Cougar.
Because 2007 Infiniti QX56 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Mercury Cougar. In wet, icy, snow, or gravel driving conditions, 2007 Infiniti QX56 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 Infiniti QX56 (533 Nm @ 3600 RPM) has 296 more torque (in Nm) than 1981 Mercury Cougar. (237 Nm @ 2600 RPM). This means 2007 Infiniti QX56 will have an easier job in driving up hills or pulling heavy equipment than 1981 Mercury Cougar.
Compare all specifications:
| 2007 Infiniti QX56 | 1981 Mercury Cougar | |
| Make | Infiniti | Mercury |
| Model | QX56 | Cougar |
| Year Released | 2007 | 1981 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5552 cc | 3797 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 114 HP |
| Engine RPM | 4900 RPM | 4000 RPM |
| Torque | 533 Nm | 237 Nm |
| Torque RPM | 3600 RPM | 2600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 5260 mm | 4960 mm |
| Vehicle Width | 2010 mm | 1810 mm |
| Vehicle Height | 1980 mm | 1370 mm |
| Wheelbase Size | 3140 mm | 2690 mm |
