1991 Cadillac DeVille vs. 1999 Mercury Mountaineer
To start off, 1999 Mercury Mountaineer is newer by 8 year(s). Which means there will be less support and parts availability for 1991 Cadillac DeVille. In addition, the cost of maintenance, including insurance, on 1991 Cadillac DeVille would be higher. At 4,948 cc (8 cylinders), 1999 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 1999 Mercury Mountaineer (212 HP @ 4200 RPM) has 83 more horse power than 1991 Cadillac DeVille. (129 HP @ 4200 RPM) In normal driving conditions, 1999 Mercury Mountaineer should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 1999 Mercury Mountaineer weights approximately 415 kg more than 1991 Cadillac DeVille. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1991 Cadillac DeVille. In wet, icy, snow, or gravel driving conditions, 1999 Mercury Mountaineer will offer significantly more control. 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, 1999 Mercury Mountaineer (390 Nm @ 3300 RPM) has 119 more torque (in Nm) than 1991 Cadillac DeVille. (271 Nm @ 2200 RPM). This means 1999 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1991 Cadillac DeVille.
Compare all specifications:
| 1991 Cadillac DeVille | 1999 Mercury Mountaineer | |
| Make | Cadillac | Mercury |
| Model | DeVille | Mountaineer |
| Year Released | 1991 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 4087 cc | 4948 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 129 HP | 212 HP |
| Engine RPM | 4200 RPM | 4200 RPM |
| Torque | 271 Nm | 390 Nm |
| Torque RPM | 2200 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Vehicle Weight | 1540 kg | 1955 kg |
| Vehicle Length | 4960 mm | 4850 mm |
| Vehicle Width | 1830 mm | 1790 mm |
| Vehicle Height | 1400 mm | 1800 mm |
| Wheelbase Size | 2820 mm | 2840 mm |
