1991 Daihatsu Rocky vs. 1987 Ford Sierra
To start off, 1991 Daihatsu Rocky is newer by 4 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 1,998 cc (4 cylinders), 1991 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (104 HP @ 5200 RPM) has 17 more horse power than 1991 Daihatsu Rocky. (87 HP @ 4600 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 1991 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 205 kg more than 1987 Ford Sierra.
Because 1991 Daihatsu Rocky 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, 1991 Daihatsu Rocky 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, 1987 Ford Sierra (160 Nm @ 4000 RPM) has 3 more torque (in Nm) than 1991 Daihatsu Rocky. (157 Nm @ 3000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1991 Daihatsu Rocky.
Compare all specifications:
| 1991 Daihatsu Rocky | 1987 Ford Sierra | |
| Make | Daihatsu | Ford |
| Model | Rocky | Sierra |
| Year Released | 1991 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 104 HP |
| Engine RPM | 4600 RPM | 5200 RPM |
| Torque | 157 Nm | 160 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1350 kg | 1145 kg |
| Vehicle Length | 3780 mm | 4430 mm |
| Vehicle Width | 1590 mm | 1700 mm |
| Vehicle Height | 1850 mm | 1370 mm |
| Wheelbase Size | 2210 mm | 2620 mm |
