2009 Audi A4 vs. 1981 Isuzu Piazza
To start off, 2009 Audi A4 is newer by 28 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 2,495 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (161 HP @ 4000 RPM) has 13 more horse power than 1981 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1981 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 440 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, 2009 Audi A4 (350 Nm @ 1500 RPM) has 124 more torque (in Nm) than 1981 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Isuzu Piazza.
Compare all specifications:
| 2009 Audi A4 | 1981 Isuzu Piazza | |
| Make | Audi | Isuzu |
| Model | A4 | Piazza |
| Year Released | 2009 | 1981 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2495 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 161 HP | 148 HP |
| Engine RPM | 4000 RPM | 5400 RPM |
| Torque | 350 Nm | 226 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 78.3 mm | 88 mm |
| Engine Stroke Size | 86.4 mm | 82 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1720 kg | 1280 kg |
| Vehicle Length | 4580 mm | 4290 mm |
| Vehicle Width | 1780 mm | 1610 mm |
| Vehicle Height | 1400 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2510 mm |
