1984 BMW 628 vs. 1986 Mercury Grand Marquis
To start off, 1986 Mercury Grand Marquis is newer by 2 year(s). Which means there will be less support and parts availability for 1984 BMW 628. In addition, the cost of maintenance, including insurance, on 1984 BMW 628 would be higher. At 4,942 cc (8 cylinders), 1986 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1984 BMW 628 (181 HP @ 6000 RPM) has 33 more horse power than 1986 Mercury Grand Marquis. (148 HP @ 3200 RPM). In normal driving conditions, 1984 BMW 628 should accelerate faster than 1986 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1986 Mercury Grand Marquis weights approximately 280 kg more than 1984 BMW 628.
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, 1986 Mercury Grand Marquis (367 Nm @ 2000 RPM) has 127 more torque (in Nm) than 1984 BMW 628. (240 Nm @ 4000 RPM). This means 1986 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1984 BMW 628.
Compare all specifications:
| 1984 BMW 628 | 1986 Mercury Grand Marquis | |
| Make | BMW | Mercury |
| Model | 628 | Grand Marquis |
| Year Released | 1984 | 1986 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 181 HP | 148 HP |
| Engine RPM | 6000 RPM | 3200 RPM |
| Torque | 240 Nm | 367 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1750 kg |
| Vehicle Length | 4760 mm | 5400 mm |
| Vehicle Width | 1730 mm | 1980 mm |
| Vehicle Height | 1370 mm | 1390 mm |
| Wheelbase Size | 2640 mm | 2920 mm |
| Fuel Tank Capacity | 70 L | 90 L |
