1991 Lancia Delta vs. 1978 Mercury Grand Marquis
To start off, 1991 Lancia Delta 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 Lancia Delta (208 HP @ 5750 RPM) has 69 more horse power than 1978 Mercury Grand Marquis. (139 HP @ 3200 RPM). In normal driving conditions, 1991 Lancia Delta 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 410 kg more than 1991 Lancia Delta.
Because 1991 Lancia Delta 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 Lancia Delta 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 43 more torque (in Nm) than 1991 Lancia Delta. (310 Nm @ 3500 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1991 Lancia Delta.
Compare all specifications:
| 1991 Lancia Delta | 1978 Mercury Grand Marquis | |
| Make | Lancia | Mercury |
| Model | Delta | Grand Marquis |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 5766 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 208 HP | 139 HP |
| Engine RPM | 5750 RPM | 3200 RPM |
| Torque | 310 Nm | 353 Nm |
| Torque RPM | 3500 RPM | 2200 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 | 1300 kg | 1710 kg |
| Vehicle Length | 3910 mm | 5400 mm |
| Vehicle Width | 1780 mm | 1980 mm |
| Vehicle Height | 1380 mm | 1390 mm |
| Wheelbase Size | 2490 mm | 2910 mm |
