1991 Cadillac DeVille vs. 2006 Mercury Mountaineer
To start off, 2006 Mercury Mountaineer is newer by 15 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 4,894 cc (8 cylinders), 1991 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 2006 Mercury Mountaineer (292 HP @ 5750 RPM) has 95 more horse power than 1991 Cadillac DeVille. (197 HP @ 4100 RPM) In normal driving conditions, 2006 Mercury Mountaineer should accelerate faster than 1991 Cadillac DeVille. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercury Mountaineer weights approximately 315 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 2006 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, 2006 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, 2006 Mercury Mountaineer (407 Nm @ 4750 RPM) has 34 more torque (in Nm) than 1991 Cadillac DeVille. (373 Nm @ 3000 RPM). This means 2006 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 | 2006 Mercury Mountaineer | |
| Make | Cadillac | Mercury |
| Model | DeVille | Mountaineer |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 4894 cc | 4605 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 197 HP | 292 HP |
| Engine RPM | 4100 RPM | 5750 RPM |
| Torque | 373 Nm | 407 Nm |
| Torque RPM | 3000 RPM | 4750 RPM |
| Engine Bore Size | 92 mm | 90.2 mm |
| Engine Stroke Size | 92 mm | 90 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1610 kg | 1925 kg |
| Vehicle Length | 5160 mm | 4920 mm |
| Vehicle Width | 1850 mm | 1870 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2820 mm | 2890 mm |
