1987 Ford Sierra vs. 2008 Mercury Mountaineer
To start off, 2008 Mercury Mountaineer is newer by 21 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 4,015 cc (6 cylinders), 2008 Mercury Mountaineer is equipped with a bigger engine. In terms of performance, 2008 Mercury Mountaineer (210 HP @ 5100 RPM) has 144 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 2008 Mercury Mountaineer should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercury Mountaineer weights approximately 841 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.
Because 2008 Mercury Mountaineer is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2008 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, 2008 Mercury Mountaineer (344 Nm @ 3700 RPM) has 202 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 2008 Mercury Mountaineer will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra. 2008 Mercury Mountaineer has automatic transmission and 1987 Ford Sierra has manual transmission. 1987 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercury Mountaineer will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1987 Ford Sierra | 2008 Mercury Mountaineer | |
| Make | Ford | Mercury |
| Model | Sierra | Mountaineer |
| Year Released | 1987 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 4015 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 66 HP | 210 HP |
| Engine RPM | 4200 RPM | 5100 RPM |
| Torque | 142 Nm | 344 Nm |
| Torque RPM | 2000 RPM | 3700 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1170 kg | 2011 kg |
| Vehicle Length | 4430 mm | 4920 mm |
| Vehicle Width | 1700 mm | 1880 mm |
| Vehicle Height | 1370 mm | 1860 mm |
| Wheelbase Size | 2620 mm | 2890 mm |
