2006 BMW Z4 vs. 1989 Isuzu Piazza
To start off, 2006 BMW Z4 is newer by 17 year(s). Which means there will be less support and parts availability for 1989 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1989 Isuzu Piazza would be higher. At 2,492 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (189 HP @ 6000 RPM) has 41 more horse power than 1989 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2006 BMW Z4 should accelerate faster than 1989 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 55 kg more than 1989 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 Z4 (245 Nm @ 3500 RPM) has 19 more torque (in Nm) than 1989 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1989 Isuzu Piazza.
Compare all specifications:
| 2006 BMW Z4 | 1989 Isuzu Piazza | |
| Make | BMW | Isuzu |
| Model | Z4 | Piazza |
| Year Released | 2006 | 1989 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 189 HP | 148 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 245 Nm | 226 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84 mm | 88.1 mm |
| Engine Stroke Size | 75 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 7.9:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1335 kg | 1280 kg |
| Vehicle Length | 4100 mm | 4290 mm |
| Vehicle Width | 1790 mm | 1610 mm |
| Vehicle Height | 1310 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
