2005 Mercury Mariner vs. 1991 Pontiac Bonneville
To start off, 2005 Mercury Mariner is newer by 14 year(s). Which means there will be less support and parts availability for 1991 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 1991 Pontiac Bonneville would be higher. At 3,791 cc (6 cylinders), 1991 Pontiac Bonneville is equipped with a bigger engine. In terms of performance, 2005 Mercury Mariner (153 HP @ 5800 RPM) has 3 more horse power than 1991 Pontiac Bonneville. (150 HP @ 4400 RPM). In normal driving conditions, 2005 Mercury Mariner should accelerate faster than 1991 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mariner weights approximately 79 kg more than 1991 Pontiac Bonneville. 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 Pontiac Bonneville. 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 Pontiac Bonneville (271 Nm @ 2000 RPM) has 65 more torque (in Nm) than 2005 Mercury Mariner. (206 Nm @ 4250 RPM). This means 1991 Pontiac Bonneville will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercury Mariner.
Compare all specifications:
| 2005 Mercury Mariner | 1991 Pontiac Bonneville | |
| Make | Mercury | Pontiac |
| Model | Mariner | Bonneville |
| Year Released | 2005 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 2261 cc | 3791 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 153 HP | 150 HP |
| Engine RPM | 5800 RPM | 4400 RPM |
| Torque | 206 Nm | 271 Nm |
| Torque RPM | 4250 RPM | 2000 RPM |
| Engine Bore Size | 87 mm | 96.6 mm |
| Engine Stroke Size | 94 mm | 86.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1579 kg | 1500 kg |
| Vehicle Length | 4430 mm | 5050 mm |
| Vehicle Width | 1790 mm | 1850 mm |
| Vehicle Height | 1730 mm | 1420 mm |
| Wheelbase Size | 2630 mm | 2820 mm |
| Fuel Tank Capacity | 62 L | 68 L |
