1981 Alfa Romeo Alfa 6 vs. 1987 Daihatsu Rocky
To start off, 1987 Daihatsu Rocky is newer by 6 year(s). Which means there will be less support and parts availability for 1981 Alfa Romeo Alfa 6. In addition, the cost of maintenance, including insurance, on 1981 Alfa Romeo Alfa 6 would be higher. At 2,765 cc (4 cylinders), 1987 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1981 Alfa Romeo Alfa 6 (104 HP @ 4300 RPM) has 32 more horse power than 1987 Daihatsu Rocky. (72 HP @ 3600 RPM). In normal driving conditions, 1981 Alfa Romeo Alfa 6 should accelerate faster than 1987 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1981 Alfa Romeo Alfa 6 weights approximately 20 kg more than 1987 Daihatsu Rocky. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1987 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1981 Alfa Romeo Alfa 6. In wet, icy, snow, or gravel driving conditions, 1987 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, 1981 Alfa Romeo Alfa 6 (206 Nm @ 2400 RPM) has 36 more torque (in Nm) than 1987 Daihatsu Rocky. (170 Nm @ 2200 RPM). This means 1981 Alfa Romeo Alfa 6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Daihatsu Rocky.
Compare all specifications:
| 1981 Alfa Romeo Alfa 6 | 1987 Daihatsu Rocky | |
| Make | Alfa Romeo | Daihatsu |
| Model | Alfa 6 | Rocky |
| Year Released | 1981 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2765 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 104 HP | 72 HP |
| Engine RPM | 4300 RPM | 3600 RPM |
| Torque | 206 Nm | 170 Nm |
| Torque RPM | 2400 RPM | 2200 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | Rear | 4WD |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1580 kg | 1560 kg |
| Vehicle Length | 4690 mm | 4110 mm |
| Vehicle Width | 1690 mm | 1590 mm |
| Vehicle Height | 1430 mm | 1920 mm |
| Wheelbase Size | 2610 mm | 2540 mm |
