1981 Jaguar XJR vs. 1978 Mercury Grand Marquis
To start off, 1981 Jaguar XJR is newer by 3 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. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 810 kg more than 1981 Jaguar XJR.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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.
Compare all specifications:
| 1981 Jaguar XJR | 1978 Mercury Grand Marquis | |
| Make | Jaguar | Mercury |
| Model | XJR | Grand Marquis |
| Year Released | 1981 | 1978 |
| Engine Position | Middle | Front |
| Engine Size | 5343 cc | 5766 cc |
| Engine Cylinders | 12 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 0 HP | 139 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 900 kg | 1710 kg |
| Vehicle Length | 4680 mm | 5400 mm |
| Vehicle Width | 1990 mm | 1980 mm |
| Vehicle Height | 1050 mm | 1390 mm |
| Wheelbase Size | 2870 mm | 2910 mm |
