1991 BMW Z1 vs. 1992 Daihatsu Rocky
To start off, 1992 Daihatsu Rocky is newer by 1 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 2,497 cc (6 cylinders), 1991 BMW Z1 is equipped with a bigger engine. In terms of performance, 1991 BMW Z1 (175 HP @ 5800 RPM) has 88 more horse power than 1992 Daihatsu Rocky. (87 HP @ 4600 RPM). In normal driving conditions, 1991 BMW Z1 should accelerate faster than 1992 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1992 Daihatsu Rocky weights approximately 100 kg more than 1991 BMW Z1.
Because 1992 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 1991 BMW Z1. In wet, icy, snow, or gravel driving conditions, 1992 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 BMW Z1 (230 Nm @ 4000 RPM) has 73 more torque (in Nm) than 1992 Daihatsu Rocky. (157 Nm @ 3000 RPM). This means 1991 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1992 Daihatsu Rocky.
Compare all specifications:
| 1991 BMW Z1 | 1992 Daihatsu Rocky | |
| Make | BMW | Daihatsu |
| Model | Z1 | Rocky |
| Year Released | 1991 | 1992 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1998 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 175 HP | 87 HP |
| Engine RPM | 5800 RPM | 4600 RPM |
| Torque | 230 Nm | 157 Nm |
| Torque RPM | 4000 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Vehicle Weight | 1250 kg | 1350 kg |
| Vehicle Length | 3960 mm | 3780 mm |
| Vehicle Width | 1810 mm | 1590 mm |
| Vehicle Height | 1280 mm | 1850 mm |
| Wheelbase Size | 2450 mm | 2210 mm |
