1978 Mercury Grand Marquis vs. 1991 Toyota Land Cruiser
To start off, 1991 Toyota Land Cruiser is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1978 Mercury Grand Marquis would be higher. At 5,766 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1991 Toyota Land Cruiser (154 HP @ 4000 RPM) has 15 more horse power than 1978 Mercury Grand Marquis. (139 HP @ 3200 RPM) In normal driving conditions, 1991 Toyota Land Cruiser should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1991 Toyota Land Cruiser weights approximately 430 kg more than 1978 Mercury Grand Marquis. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Toyota Land Cruiser is four wheel drive (4WD), it will have significant more traction and grip than 1978 Mercury Grand Marquis. In wet, icy, snow, or gravel driving conditions, 1991 Toyota Land Cruiser 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, 1978 Mercury Grand Marquis (353 Nm @ 2200 RPM) has 54 more torque (in Nm) than 1991 Toyota Land Cruiser. (299 Nm @ 3000 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1991 Toyota Land Cruiser.
Compare all specifications:
| 1978 Mercury Grand Marquis | 1991 Toyota Land Cruiser | |
| Make | Mercury | Toyota |
| Model | Grand Marquis | Land Cruiser |
| Year Released | 1978 | 1991 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5766 cc | 3956 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 139 HP | 154 HP |
| Engine RPM | 3200 RPM | 4000 RPM |
| Torque | 353 Nm | 299 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1710 kg | 2140 kg |
| Vehicle Length | 5400 mm | 4790 mm |
| Vehicle Width | 1980 mm | 1840 mm |
| Vehicle Height | 1390 mm | 1880 mm |
| Wheelbase Size | 2910 mm | 2860 mm |
