1990 Buick LeSabre vs. 1983 Mercury Grand Marquis
To start off, 1990 Buick LeSabre is newer by 7 year(s). Which means there will be less support and parts availability for 1983 Mercury Grand Marquis. In addition, the cost of maintenance, including insurance, on 1983 Mercury Grand Marquis would be higher. At 4,942 cc (8 cylinders), 1983 Mercury Grand Marquis is equipped with a bigger engine. In terms of performance, 1983 Mercury Grand Marquis (129 HP @ 3600 RPM) has 14 more horse power than 1990 Buick LeSabre. (115 HP @ 3800 RPM) In normal driving conditions, 1983 Mercury Grand Marquis should accelerate faster than 1990 Buick LeSabre. With that said, vehicle weight also plays an important factor in acceleration. 1983 Mercury Grand Marquis weights approximately 34 kg more than 1990 Buick LeSabre. 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, 1983 Mercury Grand Marquis (302 Nm @ 2600 RPM) has 45 more torque (in Nm) than 1990 Buick LeSabre. (257 Nm @ 2000 RPM). This means 1983 Mercury Grand Marquis will have an easier job in driving up hills or pulling heavy equipment than 1990 Buick LeSabre.
Compare all specifications:
| 1990 Buick LeSabre | 1983 Mercury Grand Marquis | |
| Make | Buick | Mercury |
| Model | LeSabre | Grand Marquis |
| Year Released | 1990 | 1983 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3800 cc | 4942 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 115 HP | 129 HP |
| Engine RPM | 3800 RPM | 3600 RPM |
| Torque | 257 Nm | 302 Nm |
| Torque RPM | 2000 RPM | 2600 RPM |
| Engine Bore Size | 96.5 mm | 101.6 mm |
| Engine Stroke Size | 86.4 mm | 76.2 mm |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1656 kg | 1690 kg |
| Vehicle Length | 5550 mm | 5400 mm |
| Vehicle Width | 1970 mm | 1980 mm |
| Vehicle Height | 1410 mm | 1390 mm |
| Wheelbase Size | 2950 mm | 2910 mm |
