2007 BMW Z4 vs. 1984 Isuzu Piazza
To start off, 2007 BMW Z4 is newer by 23 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 2,171 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (168 HP @ 6250 RPM) has 20 more horse power than 1984 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 1984 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW Z4 weights approximately 45 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, 1984 Isuzu Piazza (226 Nm @ 3000 RPM) has 16 more torque (in Nm) than 2007 BMW Z4. (210 Nm @ 3500 RPM). This means 1984 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 2007 BMW Z4.
Compare all specifications:
| 2007 BMW Z4 | 1984 Isuzu Piazza | |
| Make | BMW | Isuzu |
| Model | Z4 | Piazza |
| Year Released | 2007 | 1984 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 168 HP | 148 HP |
| Engine RPM | 6250 RPM | 5400 RPM |
| Torque | 210 Nm | 226 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 80 mm | 88 mm |
| Engine Stroke Size | 72 mm | 82 mm |
| Engine Compression Ratio | 10.8:1 | 7.9:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1325 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 |
