1987 Mercury Grand Marquis vs. 1957 Rover P4
To start off, 1987 Mercury Grand Marquis is newer by 30 year(s). Which means there will be less support and parts availability for 1957 Rover P4. In addition, the cost of maintenance, including insurance, on 1957 Rover P4 would be higher. At 4,942 cc (8 cylinders), 1987 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1987 Mercury Grand Marquis (148 HP @ 3200 RPM) has 55 more horse power than 1957 Rover P4. (93 HP @ 4250 RPM). In normal driving conditions, 1987 Mercury Grand Marquis should accelerate faster than 1957 Rover P4. With that said, vehicle weight also plays an important factor in acceleration. 1987 Mercury Grand Marquis weights approximately 320 kg more than 1957 Rover P4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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. Let's talk about torque, 1987 Mercury Grand Marquis (366 Nm @ 2000 RPM) has 160 more torque (in Nm) than 1957 Rover P4. (206 Nm @ 2500 RPM). This means 1987 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1957 Rover P4.
Compare all specifications:
| 1987 Mercury Grand Marquis | 1957 Rover P4 | |
| Make | Mercury | Rover |
| Model | Grand Marquis | P4 |
| Year Released | 1987 | 1957 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 2636 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Horse Power | 148 HP | 93 HP |
| Engine RPM | 3200 RPM | 4250 RPM |
| Torque | 366 Nm | 206 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1750 kg | 1430 kg |
| Vehicle Length | 5400 mm | 4550 mm |
| Vehicle Width | 1980 mm | 1680 mm |
| Vehicle Height | 1390 mm | 1620 mm |
| Wheelbase Size | 2920 mm | 2830 mm |
| Fuel Tank Capacity | 90 L | 52 L |
