1991 Buick Roadmaster vs. 2005 Mercury Mariner
To start off, 2005 Mercury Mariner 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, 1991 Buick Roadmaster (177 HP @ 4200 RPM) has 24 more horse power than 2005 Mercury Mariner. (153 HP @ 5800 RPM). In normal driving conditions, 1991 Buick Roadmaster should accelerate faster than 2005 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 1991 Buick Roadmaster weights approximately 261 kg more than 2005 Mercury Mariner. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Mercury Mariner 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 Mariner 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 @ 2400 RPM) has 187 more torque (in Nm) than 2005 Mercury Mariner. (206 Nm @ 4250 RPM). This means 1991 Buick Roadmaster will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner.
Compare all specifications:
| 1991 Buick Roadmaster | 2005 Mercury Mariner | |
| Make | Buick | Mercury |
| Model | Roadmaster | Mariner |
| Year Released | 1991 | 2005 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 5731 cc | 2261 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 153 HP |
| Engine RPM | 4200 RPM | 5800 RPM |
| Torque | 393 Nm | 206 Nm |
| Torque RPM | 2400 RPM | 4250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1840 kg | 1579 kg |
| Vehicle Length | 5280 mm | 4430 mm |
| Vehicle Width | 2040 mm | 1790 mm |
| Vehicle Height | 1650 mm | 1730 mm |
| Wheelbase Size | 2950 mm | 2630 mm |
| Fuel Tank Capacity | 75 L | 62 L |
