1971 Chevrolet Vega vs. 1984 Daihatsu Rocky
To start off, 1984 Daihatsu Rocky is newer by 13 year(s). Which means there will be less support and parts availability for 1971 Chevrolet Vega. In addition, the cost of maintenance, including insurance, on 1971 Chevrolet Vega would be higher. At 2,765 cc (4 cylinders), 1984 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1984 Daihatsu Rocky (87 HP @ 3600 RPM) has 6 more horse power than 1971 Chevrolet Vega. (81 HP @ 4800 RPM) In normal driving conditions, 1984 Daihatsu Rocky should accelerate faster than 1971 Chevrolet Vega. With that said, vehicle weight also plays an important factor in acceleration. 1984 Daihatsu Rocky weights approximately 555 kg more than 1971 Chevrolet Vega. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1984 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1971 Chevrolet Vega. In wet, icy, snow, or gravel driving conditions, 1984 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, 1984 Daihatsu Rocky (211 Nm @ 2200 RPM) has 44 more torque (in Nm) than 1971 Chevrolet Vega. (167 Nm @ 2800 RPM). This means 1984 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1971 Chevrolet Vega.
Compare all specifications:
| 1971 Chevrolet Vega | 1984 Daihatsu Rocky | |
| Make | Chevrolet | Daihatsu |
| Model | Vega | Rocky |
| Year Released | 1971 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2287 cc | 2765 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 81 HP | 87 HP |
| Engine RPM | 4800 RPM | 3600 RPM |
| Torque | 167 Nm | 211 Nm |
| Torque RPM | 2800 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1005 kg | 1560 kg |
| Vehicle Length | 4310 mm | 4110 mm |
| Vehicle Width | 1670 mm | 1590 mm |
| Vehicle Height | 1330 mm | 1920 mm |
| Wheelbase Size | 2480 mm | 2540 mm |
