1986 Cadillac DeVille vs. 1989 Mercury Grand Marquis
To start off, 1989 Mercury Grand Marquis is newer by 3 year(s). Which means there will be less support and parts availability for 1986 Cadillac DeVille. In addition, the cost of maintenance, including insurance, on 1986 Cadillac DeVille would be higher. At 4,941 cc (8 cylinders), 1989 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1989 Mercury Grand Marquis (148 HP @ 3200 RPM) has 19 more horse power than 1986 Cadillac DeVille. (129 HP @ 4200 RPM) In normal driving conditions, 1989 Mercury Grand Marquis should accelerate faster than 1986 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1989 Mercury Grand Marquis weights approximately 210 kg more than 1986 Cadillac DeVille. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1989 Mercury Grand Marquis is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1989 Mercury Grand Marquis. However, in wet, icy, snow, or gravel driving conditions, 1986 Cadillac DeVille, being front wheel drive (FWD), will offer much better control with better grip. 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, 1989 Mercury Grand Marquis (366 Nm @ 2000 RPM) has 95 more torque (in Nm) than 1986 Cadillac DeVille. (271 Nm @ 2200 RPM). This means 1989 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1986 Cadillac DeVille.
Compare all specifications:
| 1986 Cadillac DeVille | 1989 Mercury Grand Marquis | |
| Make | Cadillac | Mercury |
| Model | DeVille | Grand Marquis |
| Year Released | 1986 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 4941 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 129 HP | 148 HP |
| Engine RPM | 4200 RPM | 3200 RPM |
| Torque | 271 Nm | 366 Nm |
| Torque RPM | 2200 RPM | 2000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1540 kg | 1750 kg |
| Vehicle Length | 4960 mm | 5400 mm |
| Vehicle Width | 1830 mm | 1980 mm |
| Vehicle Height | 1400 mm | 1390 mm |
| Wheelbase Size | 2820 mm | 2920 mm |
