1987 Ford Sierra vs. 2006 GMC Envoy
To start off, 2006 GMC Envoy 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 4,163 cc (6 cylinders), 2006 GMC Envoy is equipped with a bigger engine. In terms of performance, 2006 GMC Envoy (291 HP @ 6000 RPM) has 225 more horse power than 1987 Ford Sierra. (66 HP @ 4200 RPM) In normal driving conditions, 2006 GMC Envoy should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Envoy weights approximately 1265 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 GMC Envoy 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 GMC Envoy 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 GMC Envoy (376 Nm @ 4800 RPM) has 234 more torque (in Nm) than 1987 Ford Sierra. (142 Nm @ 2000 RPM). This means 2006 GMC Envoy will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2006 GMC Envoy | |
| Make | Ford | GMC |
| Model | Sierra | Envoy |
| Year Released | 1987 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2303 cc | 4163 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 66 HP | 291 HP |
| Engine RPM | 4200 RPM | 6000 RPM |
| Torque | 142 Nm | 376 Nm |
| Torque RPM | 2000 RPM | 4800 RPM |
| Drive Type | Rear | 4WD |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1170 kg | 2435 kg |
| Vehicle Length | 4430 mm | 4870 mm |
| Vehicle Width | 1700 mm | 1900 mm |
| Vehicle Height | 1370 mm | 1830 mm |
| Wheelbase Size | 2620 mm | 2880 mm |
