1987 Ford Sierra vs. 2006 Lincoln Navigator
To start off, 2006 Lincoln Navigator is newer by 19 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 5,406 cc (8 cylinders), 2006 Lincoln Navigator is equipped with a bigger engine. In terms of performance, 2006 Lincoln Navigator (300 HP @ 5000 RPM) has 196 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM) In normal driving conditions, 2006 Lincoln Navigator should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Lincoln Navigator weights approximately 1574 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 2006 Lincoln Navigator 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, 2006 Lincoln Navigator 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, 2006 Lincoln Navigator (495 Nm @ 3750 RPM) has 335 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 2006 Lincoln Navigator will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2006 Lincoln Navigator | |
| Make | Ford | Lincoln |
| Model | Sierra | Navigator |
| Year Released | 1987 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 5406 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 104 HP | 300 HP |
| Engine RPM | 5200 RPM | 5000 RPM |
| Torque | 160 Nm | 495 Nm |
| Torque RPM | 4000 RPM | 3750 RPM |
| Engine Bore Size | 90.9 mm | 90 mm |
| Engine Stroke Size | 77 mm | 106 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1145 kg | 2719 kg |
| Vehicle Length | 4430 mm | 5280 mm |
| Vehicle Width | 1700 mm | 2040 mm |
| Vehicle Height | 1370 mm | 1980 mm |
| Wheelbase Size | 2620 mm | 3020 mm |
