2009 BMW Z4 vs. 1990 Daihatsu Rocky
To start off, 2009 BMW Z4 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1990 Daihatsu Rocky would be higher. At 2,765 cc (4 cylinders), 1990 Daihatsu Rocky is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 143 more horse power than 1990 Daihatsu Rocky. (72 HP @ 3600 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1990 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1990 Daihatsu Rocky weights approximately 270 kg more than 2009 BMW Z4.
Because 1990 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2009 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1990 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, 2009 BMW Z4 (250 Nm @ 2000 RPM) has 80 more torque (in Nm) than 1990 Daihatsu Rocky. (170 Nm @ 2200 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1990 Daihatsu Rocky.
Compare all specifications:
| 2009 BMW Z4 | 1990 Daihatsu Rocky | |
| Make | BMW | Daihatsu |
| Model | Z4 | Rocky |
| Year Released | 2009 | 1990 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 2765 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 72 HP |
| Engine RPM | 6500 RPM | 3600 RPM |
| Torque | 250 Nm | 170 Nm |
| Torque RPM | 2000 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | 4WD |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1290 kg | 1560 kg |
| Vehicle Length | 4100 mm | 4110 mm |
| Vehicle Width | 1790 mm | 1590 mm |
| Vehicle Height | 1310 mm | 1920 mm |
| Wheelbase Size | 2500 mm | 2540 mm |
