2007 BMW X5 vs. 1991 Daihatsu Rocky
To start off, 2007 BMW X5 is newer by 16 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 4,799 cc (8 cylinders), 2007 BMW X5 is equipped with a bigger engine. In terms of performance, 2007 BMW X5 (350 HP @ 6300 RPM) has 263 more horse power than 1991 Daihatsu Rocky. (87 HP @ 4600 RPM). In normal driving conditions, 2007 BMW X5 should accelerate faster than 1991 Daihatsu Rocky. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW X5 weights approximately 850 kg more than 1991 Daihatsu Rocky. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 X5 (476 Nm @ 3400 RPM) has 319 more torque (in Nm) than 1991 Daihatsu Rocky. (157 Nm @ 3000 RPM). This means 2007 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1991 Daihatsu Rocky.
Compare all specifications:
| 2007 BMW X5 | 1991 Daihatsu Rocky | |
| Make | BMW | Daihatsu |
| Model | X5 | Rocky |
| Year Released | 2007 | 1991 |
| Body Type | SUV | SUV |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 350 HP | 87 HP |
| Engine RPM | 6300 RPM | 4600 RPM |
| Torque | 476 Nm | 157 Nm |
| Torque RPM | 3400 RPM | 3000 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | 4WD |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 2200 kg | 1350 kg |
| Vehicle Length | 4860 mm | 3780 mm |
| Vehicle Width | 1940 mm | 1590 mm |
| Vehicle Height | 1770 mm | 1850 mm |
| Wheelbase Size | 2940 mm | 2210 mm |
