2009 BMW Z4 vs. 1984 Isuzu Piazza
To start off, 2009 BMW Z4 is newer by 25 year(s). Which means there will be less support and parts availability for 1984 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1984 Isuzu Piazza would be higher. At 2,497 cc (6 cylinders), 2009 BMW Z4 is equipped with a bigger engine. In terms of performance, 2009 BMW Z4 (215 HP @ 6500 RPM) has 67 more horse power than 1984 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2009 BMW Z4 should accelerate faster than 1984 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW Z4 weights approximately 82 kg more than 1984 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, 2009 BMW Z4 (250 Nm @ 2750 RPM) has 24 more torque (in Nm) than 1984 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2009 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Isuzu Piazza.
Compare all specifications:
| 2009 BMW Z4 | 1984 Isuzu Piazza | |
| Make | BMW | Isuzu |
| Model | Z4 | Piazza |
| Year Released | 2009 | 1984 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 148 HP |
| Engine RPM | 6500 RPM | 5400 RPM |
| Torque | 250 Nm | 226 Nm |
| Torque RPM | 2750 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 78.8 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 | 1362 kg | 1280 kg |
| Vehicle Length | 4100 mm | 4290 mm |
| Vehicle Width | 1310 mm | 1610 mm |
| Vehicle Height | 1790 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
