1984 Ford Sierra vs. 1999 GMC Sierra
To start off, 1999 GMC Sierra is newer by 15 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 4,293 cc (6 cylinders), 1999 GMC Sierra is equipped with a bigger engine. In terms of performance, 1999 GMC Sierra (197 HP @ 4600 RPM) has 122 more horse power than 1984 Ford Sierra. (75 HP @ 5300 RPM) In normal driving conditions, 1999 GMC Sierra should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 GMC Sierra weights approximately 735 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 1999 GMC Sierra 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, 1999 GMC Sierra (352 Nm @ 2800 RPM) has 233 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 RPM). This means 1999 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1999 GMC Sierra | |
| Make | Ford | GMC |
| Model | Sierra | Sierra |
| Year Released | 1984 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1608 cc | 4293 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 75 HP | 197 HP |
| Engine RPM | 5300 RPM | 4600 RPM |
| Torque | 119 Nm | 352 Nm |
| Torque RPM | 2900 RPM | 2800 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Vehicle Weight | 1040 kg | 1775 kg |
| Vehicle Length | 4500 mm | 5170 mm |
| Vehicle Width | 1720 mm | 2000 mm |
| Vehicle Height | 1450 mm | 1810 mm |
| Wheelbase Size | 2610 mm | 3030 mm |
