2008 Jeep Liberty vs. 1990 Mercury Grand Marquis
To start off, 2008 Jeep Liberty is newer by 18 year(s). Which means there will be less support and parts availability for 1990 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1990 Mercury Grand Marquis would be higher. At 4,942 cc (8 cylinders), 1990 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 2008 Jeep Liberty (210 HP @ 5200 RPM) has 61 more horse power than 1990 Mercury Grand Marquis. (149 HP @ 3200 RPM). In normal driving conditions, 2008 Jeep Liberty should accelerate faster than 1990 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 2008 Jeep Liberty weights approximately 281 kg more than 1990 Mercury Grand Marquis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Jeep Liberty is four wheel drive (4WD), it will have significant more traction and grip than 1990 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 2008 Jeep Liberty 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, 1990 Mercury Grand Marquis (366 Nm @ 2000 RPM) has 47 more torque (in Nm) than 2008 Jeep Liberty. (319 Nm @ 4000 RPM). This means 1990 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 2008 Jeep Liberty.
Compare all specifications:
| 2008 Jeep Liberty | 1990 Mercury Grand Marquis | |
| Make | Jeep | Mercury |
| Model | Liberty | Grand Marquis |
| Year Released | 2008 | 1990 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3699 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 210 HP | 149 HP |
| Engine RPM | 5200 RPM | 3200 RPM |
| Torque | 319 Nm | 366 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2031 kg | 1750 kg |
| Vehicle Length | 4500 mm | 5400 mm |
| Vehicle Width | 1850 mm | 1980 mm |
| Vehicle Height | 1790 mm | 1390 mm |
| Wheelbase Size | 2700 mm | 2920 mm |
| Fuel Tank Capacity | 74 L | 90 L |
