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 2,765 cc (4 cylinders), 1991 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (113 HP @ 5300 RPM) has 41 more horse power than 1991 Daihatsu Rocky. (72 HP @ 3600 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 470 kg more than 1987 Ford Sierra.
Let's talk about torque, 1987 Ford Sierra (180 Nm @ 3000 RPM) has 10 more torque (in Nm) than 1991 Daihatsu Rocky. (170 Nm @ 2200 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 | 2765 cc | 2294 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 113 HP |
| Engine RPM | 3600 RPM | 5300 RPM |
| Torque | 170 Nm | 180 Nm |
| Torque RPM | 2200 RPM | 3000 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1090 kg |
| Vehicle Length | 4110 mm | 4400 mm |
| Vehicle Width | 1590 mm | 1680 mm |
| Vehicle Height | 1920 mm | 1370 mm |
| Wheelbase Size | 2540 mm | 2620 mm |
