1973 Chevrolet Vega vs. 1991 Daihatsu Rocky
To start off, 1991 Daihatsu Rocky is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Chevrolet Vega. In addition, the cost of maintenance, including insurance, on 1973 Chevrolet Vega would be higher. At 2,765 cc (4 cylinders), 1991 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 1973 Chevrolet Vega (81 HP @ 4800 RPM) has 9 more horse power than 1991 Daihatsu Rocky. (72 HP @ 3600 RPM). In normal driving conditions, 1973 Chevrolet Vega should accelerate faster than 1991 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 555 kg more than 1973 Chevrolet Vega.
Because 1991 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1973 Chevrolet Vega. 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, 1991 Daihatsu Rocky (170 Nm @ 2200 RPM) has 3 more torque (in Nm) than 1973 Chevrolet Vega. (167 Nm @ 2800 RPM). This means 1991 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1973 Chevrolet Vega.
Compare all specifications:
| 1973 Chevrolet Vega | 1991 Daihatsu Rocky | |
| Make | Chevrolet | Daihatsu |
| Model | Vega | Rocky |
| Year Released | 1973 | 1991 |
| 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 | 72 HP |
| Engine RPM | 4800 RPM | 3600 RPM |
| Torque | 167 Nm | 170 Nm |
| Torque RPM | 2800 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1005 kg | 1560 kg |
| Vehicle Length | 4320 mm | 4110 mm |
| Vehicle Width | 1670 mm | 1590 mm |
| Vehicle Height | 1280 mm | 1920 mm |
| Wheelbase Size | 2480 mm | 2540 mm |
