1981 BMW 518 vs. 1996 Daihatsu Rocky
To start off, 1996 Daihatsu Rocky is newer by 15 year(s). Which means there will be less support and parts availability for 1981 BMW 518. In addition, the cost of maintenance, including insurance, on 1981 BMW 518 would be higher. At 2,236 cc (4 cylinders), 1996 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, both vehicles can yield 90 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1996 Daihatsu Rocky weights approximately 240 kg more than 1981 BMW 518.
Because 1996 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 518. In wet, icy, snow, or gravel driving conditions, 1996 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, 1996 Daihatsu Rocky (182 Nm @ 2500 RPM) has 42 more torque (in Nm) than 1981 BMW 518. (140 Nm @ 4000 RPM). This means 1996 Daihatsu Rocky will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 518.
Compare all specifications:
| 1981 BMW 518 | 1996 Daihatsu Rocky | |
| Make | BMW | Daihatsu |
| Model | 518 | Rocky |
| Year Released | 1981 | 1996 |
| Body Type | Sedan | SUV |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 2236 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 90 HP |
| Engine RPM | 5500 RPM | 4200 RPM |
| Torque | 140 Nm | 182 Nm |
| Torque RPM | 4000 RPM | 2500 RPM |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1140 kg | 1380 kg |
| Vehicle Length | 4630 mm | 3850 mm |
| Vehicle Width | 1710 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1860 mm |
| Wheelbase Size | 2630 mm | 2540 mm |
