1979 De Tomaso Longchamp vs. 1999 Mercury Grand Marquis
To start off, 1999 Mercury Grand Marquis is newer by 20 year(s). Which means there will be less support and parts availability for 1979 De Tomaso Longchamp. In addition, the cost of maintenance, including insurance, on 1979 De Tomaso Longchamp would be higher. At 5,761 cc (8 cylinders), 1979 De Tomaso Longchamp is equipped with a bigger engine. In terms of performance, 1979 De Tomaso Longchamp (296 HP @ 6000 RPM) has 88 more horse power than 1999 Mercury Grand Marquis. (208 HP @ 4250 RPM). In normal driving conditions, 1979 De Tomaso Longchamp should accelerate faster than 1999 Mercury Grand Marquis. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Grand Marquis weights approximately 132 kg more than 1979 De Tomaso Longchamp.
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, 1979 De Tomaso Longchamp (450 Nm @ 3500 RPM) has 91 more torque (in Nm) than 1999 Mercury Grand Marquis. (359 Nm @ 3000 RPM). This means 1979 De Tomaso Longchamp will have an easier job in driving up hills or pulling heavy equipment than 1999 Mercury Grand Marquis.
Compare all specifications:
| 1979 De Tomaso Longchamp | 1999 Mercury Grand Marquis | |
| Make | De Tomaso | Mercury |
| Model | Longchamp | Grand Marquis |
| Year Released | 1979 | 1999 |
| Body Type | Convertible | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5761 cc | 4604 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 296 HP | 208 HP |
| Engine RPM | 6000 RPM | 4250 RPM |
| Torque | 450 Nm | 359 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1700 kg | 1832 kg |
| Vehicle Length | 4540 mm | 5390 mm |
| Vehicle Width | 1840 mm | 2000 mm |
| Vehicle Height | 1300 mm | 1450 mm |
| Wheelbase Size | 2610 mm | 2760 mm |
