1991 Buick Roadmaster vs. 2005 Mercury Mountaineer
To start off, 2005 Mercury Mountaineer is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Buick Roadmaster. In addition, the cost of maintenance, including insurance, on 1991 Buick Roadmaster would be higher. At 5,731 cc (8 cylinders), 1991 Buick Roadmaster is equipped with a bigger engine. In terms of performance, 2005 Mercury Mountaineer (239 HP) has 62 more horse power than 1991 Buick Roadmaster. (177 HP) In normal driving conditions, 2005 Mercury Mountaineer should accelerate faster than 1991 Buick Roadmaster. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mountaineer weights approximately 169 kg more than 1991 Buick Roadmaster. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1991 Buick Roadmaster. In wet, icy, snow, or gravel driving conditions, 2005 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, 1991 Buick Roadmaster (393 Nm) has 11 more torque (in Nm) than 2005 Mercury Mountaineer. (382 Nm). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mountaineer.
Compare all specifications:
| 1991 Buick Roadmaster | 2005 Mercury Mountaineer | |
| Make | Buick | Mercury |
| Model | Roadmaster | Mountaineer |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 4605 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 177 HP | 239 HP |
| Torque | 393 Nm | 382 Nm |
| Engine Compression Ratio | 8.0:1 | 9.4:1 |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1840 kg | 2009 kg |
| Vehicle Length | 5280 mm | 4860 mm |
| Vehicle Width | 2040 mm | 1840 mm |
| Vehicle Height | 1650 mm | 1850 mm |
| Wheelbase Size | 2950 mm | 2900 mm |
| Fuel Tank Capacity | 75 L | 85 L |
