1978 Mercury Grand Marquis vs. 1984 Opel Monza
To start off, 1984 Opel Monza is newer by 6 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, 1978 Mercury Grand Marquis (129 HP @ 3600 RPM) has 15 more horse power than 1984 Opel Monza. (114 HP @ 4800 RPM). In normal driving conditions, 1978 Mercury Grand Marquis should accelerate faster than 1984 Opel Monza. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercury Grand Marquis weights approximately 364 kg more than 1984 Opel Monza. 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, 1978 Mercury Grand Marquis (303 Nm @ 2600 RPM) has 121 more torque (in Nm) than 1984 Opel Monza. (182 Nm @ 2800 RPM). This means 1978 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1984 Opel Monza.
Compare all specifications:
| 1978 Mercury Grand Marquis | 1984 Opel Monza | |
| Make | Mercury | Opel |
| Model | Grand Marquis | Monza |
| Year Released | 1978 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4942 cc | 2197 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 129 HP | 114 HP |
| Engine RPM | 3600 RPM | 4800 RPM |
| Torque | 303 Nm | 182 Nm |
| Torque RPM | 2600 RPM | 2800 RPM |
| Engine Bore Size | 101.6 mm | 95 mm |
| Engine Stroke Size | 76.2 mm | 77.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1690 kg | 1326 kg |
| Vehicle Length | 5400 mm | 4700 mm |
| Vehicle Width | 1980 mm | 1740 mm |
| Vehicle Height | 1390 mm | 1390 mm |
| Wheelbase Size | 2910 mm | 2670 mm |
