1991 Daihatsu Rocky vs. 1977 Dodge Aspen
To start off, 1991 Daihatsu Rocky is newer by 14 year(s). Which means there will be less support and parts availability for 1977 Dodge Aspen. In addition, the cost of maintenance, including insurance, on 1977 Dodge Aspen would be higher. At 3,687 cc (6 cylinders), 1977 Dodge Aspen is equipped with a bigger engine. In terms of performance, 1977 Dodge Aspen (100 HP @ 3600 RPM) has 28 more horse power than 1991 Daihatsu Rocky. (72 HP @ 3600 RPM) In normal driving conditions, 1977 Dodge Aspen should accelerate faster than 1991 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 95 kg more than 1977 Dodge Aspen.
Because 1991 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1977 Dodge Aspen. 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, 1977 Dodge Aspen (231 Nm @ 1600 RPM) has 61 more torque (in Nm) than 1991 Daihatsu Rocky. (170 Nm @ 2200 RPM). This means 1977 Dodge Aspen will have an easier job in driving up hills or pulling heavy equipment than 1991 Daihatsu Rocky.
Compare all specifications:
| 1991 Daihatsu Rocky | 1977 Dodge Aspen | |
| Make | Daihatsu | Dodge |
| Model | Rocky | Aspen |
| Year Released | 1991 | 1977 |
| Body Type | SUV | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2765 cc | 3687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 72 HP | 100 HP |
| Engine RPM | 3600 RPM | 3600 RPM |
| Torque | 170 Nm | 231 Nm |
| Torque RPM | 2200 RPM | 1600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Vehicle Weight | 1560 kg | 1465 kg |
| Vehicle Length | 4110 mm | 5020 mm |
| Vehicle Width | 1590 mm | 1870 mm |
| Vehicle Height | 1920 mm | 1360 mm |
| Wheelbase Size | 2540 mm | 2760 mm |
