2007 BMW Z4 vs. 1994 Daihatsu Rocky
To start off, 2007 BMW Z4 is newer by 13 year(s). Which means there will be less support and parts availability for 1994 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1994 Daihatsu Rocky would be higher. At 2,237 cc (4 cylinders), 1994 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (168 HP @ 6250 RPM) has 78 more horse power than 1994 Daihatsu Rocky. (90 HP @ 4200 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1994 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1994 Daihatsu Rocky weights approximately 55 kg more than 2007 BMW Z4.
Because 1994 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1994 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, 2007 BMW Z4 (210 Nm @ 3500 RPM) has 28 more torque (in Nm) than 1994 Daihatsu Rocky. (182 Nm @ 2500 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1994 Daihatsu Rocky.
Compare all specifications:
| 2007 BMW Z4 | 1994 Daihatsu Rocky | |
| Make | BMW | Daihatsu |
| Model | Z4 | Rocky |
| Year Released | 2007 | 1994 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 2237 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 168 HP | 90 HP |
| Engine RPM | 6250 RPM | 4200 RPM |
| Torque | 210 Nm | 182 Nm |
| Torque RPM | 3500 RPM | 2500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1325 kg | 1380 kg |
| Vehicle Length | 4100 mm | 3850 mm |
| Vehicle Width | 1790 mm | 1700 mm |
| Vehicle Height | 1310 mm | 1860 mm |
| Wheelbase Size | 2500 mm | 2540 mm |
