2006 BMW Z4 vs. 1984 Daihatsu Rocky
To start off, 2006 BMW Z4 is newer by 22 year(s). Which means there will be less support and parts availability for 1984 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1984 Daihatsu Rocky would be higher. At 3,246 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (338 HP @ 7900 RPM) has 251 more horse power than 1984 Daihatsu Rocky. (87 HP @ 3600 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1984 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1984 Daihatsu Rocky weights approximately 75 kg more than 2006 BMW Z4.
Because 1984 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW Z4. 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, 2006 BMW Z4 (365 Nm @ 4900 RPM) has 154 more torque (in Nm) than 1984 Daihatsu Rocky. (211 Nm @ 2200 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Daihatsu Rocky.
Compare all specifications:
| 2006 BMW Z4 | 1984 Daihatsu Rocky | |
| Make | BMW | Daihatsu |
| Model | Z4 | Rocky |
| Year Released | 2006 | 1984 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 2765 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 338 HP | 87 HP |
| Engine RPM | 7900 RPM | 3600 RPM |
| Torque | 365 Nm | 211 Nm |
| Torque RPM | 4900 RPM | 2200 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Rear | 4WD |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1485 kg | 1560 kg |
| Vehicle Length | 4120 mm | 4110 mm |
| Vehicle Width | 1790 mm | 1590 mm |
| Vehicle Height | 1310 mm | 1920 mm |
| Wheelbase Size | 2500 mm | 2540 mm |
