2008 BMW Z4 vs. 1999 Daihatsu Rocky
To start off, 2008 BMW Z4 is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Rocky would be higher. At 2,979 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1999 Daihatsu Rocky weights approximately 90 kg more than 2008 BMW Z4.
Because 1999 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2008 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1999 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, 2008 BMW Z4 (315 Nm @ 2750 RPM) has 133 more torque (in Nm) than 1999 Daihatsu Rocky. (182 Nm @ 2500 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Rocky.
Compare all specifications:
| 2008 BMW Z4 | 1999 Daihatsu Rocky | |
| Make | BMW | Daihatsu |
| Model | Z4 | Rocky |
| Year Released | 2008 | 1999 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 2237 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 0 HP | 90 HP |
| Torque | 315 Nm | 182 Nm |
| Torque RPM | 2750 RPM | 2500 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1290 kg | 1380 kg |
| Vehicle Length | 4870 mm | 3850 mm |
| Vehicle Height | 1480 mm | 1860 mm |
| Wheelbase Size | 2500 mm | 2540 mm |
