1991 Dodge Monaco vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 18 year(s). Which means there will be less support and parts availability for 1991 Dodge Monaco. In addition, the cost of maintenance, including insurance, on 1991 Dodge Monaco would be higher. At 2,975 cc (6 cylinders), 1991 Dodge Monaco is equipped with a bigger engine. In terms of performance, 2009 Mercury Mariner (240 HP @ 6550 RPM) has 92 more horse power than 1991 Dodge Monaco. (148 HP @ 5200 RPM) In normal driving conditions, 2009 Mercury Mariner should accelerate faster than 1991 Dodge Monaco. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 570 kg more than 1991 Dodge Monaco. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 1991 Dodge Monaco. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Mercury Mariner (302 Nm @ 4500 RPM) has 70 more torque (in Nm) than 1991 Dodge Monaco. (232 Nm @ 3600 RPM). This means 2009 Mercury Mariner will have an easier job in driving up hills or pulling heavy equipment than 1991 Dodge Monaco.
Compare all specifications:
| 1991 Dodge Monaco | 2009 Mercury Mariner | |
| Make | Dodge | Mercury |
| Model | Monaco | Mariner |
| Year Released | 1991 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 2967 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 148 HP | 240 HP |
| Engine RPM | 5200 RPM | 6550 RPM |
| Torque | 232 Nm | 302 Nm |
| Torque RPM | 3600 RPM | 4500 RPM |
| Engine Compression Ratio | 9.3:1 | 9.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1355 kg | 1925 kg |
| Vehicle Length | 4900 mm | 4460 mm |
| Vehicle Width | 1780 mm | 1810 mm |
| Vehicle Height | 1400 mm | 1780 mm |
| Wheelbase Size | 2700 mm | 2630 mm |
| Fuel Tank Capacity | 68 L | 62 L |
