2005 BMW 520 vs. 1981 Isuzu Piazza
To start off, 2005 BMW 520 is newer by 24 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 2,171 cc (6 cylinders), 2005 BMW 520 is equipped with a bigger engine. In terms of performance, 2005 BMW 520 (170 HP @ 6000 RPM) has 22 more horse power than 1981 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2005 BMW 520 should accelerate faster than 1981 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 520 weights approximately 390 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, 1981 Isuzu Piazza (226 Nm @ 3000 RPM) has 16 more torque (in Nm) than 2005 BMW 520. (210 Nm @ 3500 RPM). This means 1981 Isuzu Piazza will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 520.
Compare all specifications:
| 2005 BMW 520 | 1981 Isuzu Piazza | |
| Make | BMW | Isuzu |
| Model | 520 | Piazza |
| Year Released | 2005 | 1981 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2171 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 148 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 210 Nm | 226 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1670 kg | 1280 kg |
| Vehicle Length | 4810 mm | 4290 mm |
| Vehicle Width | 1810 mm | 1610 mm |
| Vehicle Height | 1450 mm | 1330 mm |
| Wheelbase Size | 2840 mm | 2510 mm |
