1978 Mercury Grand Marquis vs. 1978 Porsche 911
To start off, both 1978 Mercury Grand Marquis and 1978 Porsche 911 were released in the same year (1978). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,942 cc (8 cylinders), 1978 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1978 Porsche 911 (185 HP @ 5500 RPM) has 56 more horse power than 1978 Mercury Grand Marquis. (129 HP @ 3600 RPM) In normal driving conditions, 1978 Porsche 911 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 510 kg more than 1978 Porsche 911.
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, 1978 Mercury Grand Marquis (303 Nm @ 2600 RPM) has 38 more torque (in Nm) than 1978 Porsche 911. (265 Nm @ 4100 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1978 Porsche 911.
Compare all specifications:
| 1978 Mercury Grand Marquis | 1978 Porsche 911 | |
| Make | Mercury | Porsche |
| Model | Grand Marquis | 911 |
| Year Released | 1978 | 1978 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 4942 cc | 2994 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 129 HP | 185 HP |
| Engine RPM | 3600 RPM | 5500 RPM |
| Torque | 303 Nm | 265 Nm |
| Torque RPM | 2600 RPM | 4100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1690 kg | 1180 kg |
| Vehicle Length | 5400 mm | 4300 mm |
| Vehicle Width | 1980 mm | 1660 mm |
| Vehicle Height | 1390 mm | 1330 mm |
| Wheelbase Size | 2910 mm | 2280 mm |
