1987 Ford Sierra vs. 2005 Mercury Mountaineer
To start off, 2005 Mercury Mountaineer is newer by 18 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 3,996 cc (6 cylinders), 2005 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2005 Mercury Mountaineer (202 HP @ 5000 RPM) has 89 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2005 Mercury Mountaineer should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercury Mountaineer weights approximately 959 kg more than 1987 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Mercury Mountaineer (339 Nm @ 3000 RPM) has 159 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2005 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2005 Mercury Mountaineer | |
| Make | Ford | Mercury |
| Model | Sierra | Mountaineer |
| Year Released | 1987 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 3996 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 202 HP |
| Engine RPM | 5300 RPM | 5000 RPM |
| Torque | 180 Nm | 339 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 96 mm | 100 mm |
| Engine Stroke Size | 79.5 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1090 kg | 2049 kg |
| Vehicle Length | 4400 mm | 4860 mm |
| Vehicle Width | 1680 mm | 1840 mm |
| Vehicle Height | 1370 mm | 1850 mm |
| Wheelbase Size | 2620 mm | 2870 mm |
| Fuel Tank Capacity | 45 L | 85 L |
