1991 Cadillac Allante vs. 1978 Mercury Grand Marquis
To start off, 1991 Cadillac Allante 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 4,942 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1991 Cadillac Allante (168 HP @ 4300 RPM) has 39 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM). In normal driving conditions, 1991 Cadillac Allante should accelerate faster than 1978 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 100 kg more than 1991 Cadillac Allante.
Because 1978 Mercury Grand Marquis is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 1991 Cadillac Allante, being front wheel drive (FWD), will offer much better control with better grip. 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:
| 1991 Cadillac Allante | 1978 Mercury Grand Marquis | |
| Make | Cadillac | Mercury |
| Model | Allante | Grand Marquis |
| Year Released | 1991 | 1978 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 4942 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 129 HP |
| Engine RPM | 4300 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1590 kg | 1690 kg |
| Vehicle Length | 4550 mm | 5400 mm |
| Vehicle Width | 1880 mm | 1980 mm |
| Vehicle Height | 1330 mm | 1390 mm |
| Wheelbase Size | 2530 mm | 2910 mm |
