2005 Alpina Roadster vs. 1984 Isuzu Piazza
To start off, 2005 Alpina Roadster is newer by 21 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 3,346 cc (6 cylinders), 2005 Alpina Roadster is equipped with a bigger engine. In terms of performance, 2005 Alpina Roadster (301 HP @ 6300 RPM) has 153 more horse power than 1984 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2005 Alpina Roadster should accelerate faster than 1984 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2005 Alpina Roadster weights approximately 346 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, 2005 Alpina Roadster (362 Nm @ 4800 RPM) has 136 more torque (in Nm) than 1984 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2005 Alpina Roadster will have an easier job in driving up hills or pulling heavy equipment than 1984 Isuzu Piazza.
Compare all specifications:
| 2005 Alpina Roadster | 1984 Isuzu Piazza | |
| Make | Alpina | Isuzu |
| Model | Roadster | Piazza |
| Year Released | 2005 | 1984 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3346 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 301 HP | 148 HP |
| Engine RPM | 6300 RPM | 5400 RPM |
| Torque | 362 Nm | 226 Nm |
| Torque RPM | 4800 RPM | 3000 RPM |
| Engine Bore Size | 87 mm | 88 mm |
| Engine Stroke Size | 93.8 mm | 82 mm |
| Engine Compression Ratio | 10.0:1 | 7.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1626 kg | 1280 kg |
| Vehicle Length | 4100 mm | 4290 mm |
| Vehicle Width | 1790 mm | 1610 mm |
| Vehicle Height | 1300 mm | 1330 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
