2006 BMW X5 vs. 1981 Isuzu Piazza
To start off, 2006 BMW X5 is newer by 25 year(s). Which means there will be less support and parts availability for 1981 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1981 Isuzu Piazza would be higher. At 2,979 cc (6 cylinders), 2006 BMW X5 is equipped with a bigger engine. In terms of performance, 2006 BMW X5 (228 HP @ 3500 RPM) has 80 more horse power than 1981 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2006 BMW X5 should accelerate faster than 1981 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW X5 weights approximately 350 kg more than 1981 Isuzu Piazza. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2006 BMW X5 (300 Nm @ 3500 RPM) has 74 more torque (in Nm) than 1981 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2006 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Isuzu Piazza.
Compare all specifications:
| 2006 BMW X5 | 1981 Isuzu Piazza | |
| Make | BMW | Isuzu |
| Model | X5 | Piazza |
| Year Released | 2006 | 1981 |
| Body Type | SUV | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 228 HP | 148 HP |
| Engine RPM | 3500 RPM | 5400 RPM |
| Torque | 300 Nm | 226 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 88 mm |
| Engine Stroke Size | 89.6 mm | 82 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1630 kg | 1280 kg |
| Vehicle Length | 4670 mm | 4290 mm |
| Vehicle Width | 1880 mm | 1610 mm |
| Vehicle Height | 1720 mm | 1330 mm |
| Wheelbase Size | 2830 mm | 2510 mm |
