2003 BMW Z4 vs. 1991 Daihatsu Rocky
To start off, 2003 BMW Z4 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Daihatsu Rocky. In addition, the cost of maintenance, including insurance, on 1991 Daihatsu Rocky would be higher. At 2,999 cc (6 cylinders), 2003 BMW Z4 is equipped with a bigger engine. In terms of performance, 2003 BMW Z4 (227 HP @ 6000 RPM) has 155 more horse power than 1991 Daihatsu Rocky. (72 HP @ 3600 RPM). In normal driving conditions, 2003 BMW Z4 should accelerate faster than 1991 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 1991 Daihatsu Rocky weights approximately 270 kg more than 2003 BMW Z4.
Because 1991 Daihatsu Rocky is four wheel drive (4WD), it will have significant more traction and grip than 2003 BMW Z4. In wet, icy, snow, or gravel driving conditions, 1991 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, 2003 BMW Z4 (291 Nm @ 3500 RPM) has 121 more torque (in Nm) than 1991 Daihatsu Rocky. (170 Nm @ 2200 RPM). This means 2003 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1991 Daihatsu Rocky.
Compare all specifications:
2003 BMW Z4 | 1991 Daihatsu Rocky | |
Make | BMW | Daihatsu |
Model | Z4 | Rocky |
Year Released | 2003 | 1991 |
Body Type | Convertible | SUV |
Engine Position | Front | Front |
Engine Size | 2999 cc | 2765 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 227 HP | 72 HP |
Engine RPM | 6000 RPM | 3600 RPM |
Torque | 291 Nm | 170 Nm |
Torque RPM | 3500 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 |