2004 Audi S4 vs. 1986 Isuzu Piazza
To start off, 2004 Audi S4 is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Isuzu Piazza. In addition, the cost of maintenance, including insurance, on 1986 Isuzu Piazza would be higher. At 4,163 cc (8 cylinders), 2004 Audi S4 is equipped with a bigger engine. In terms of performance, 2004 Audi S4 (339 HP @ 7000 RPM) has 191 more horse power than 1986 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2004 Audi S4 should accelerate faster than 1986 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi S4 weights approximately 376 kg more than 1986 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, 2004 Audi S4 (410 Nm @ 3500 RPM) has 184 more torque (in Nm) than 1986 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2004 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Isuzu Piazza.
Compare all specifications:
| 2004 Audi S4 | 1986 Isuzu Piazza | |
| Make | Audi | Isuzu |
| Model | S4 | Piazza |
| Year Released | 2004 | 1986 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1994 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 339 HP | 148 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 410 Nm | 226 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Engine Bore Size | 84.5 mm | 88 mm |
| Engine Stroke Size | 92.8 mm | 82 mm |
| Engine Compression Ratio | 11.0:1 | 7.9:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1660 kg | 1284 kg |
| Vehicle Length | 4590 mm | 4290 mm |
| Vehicle Width | 1780 mm | 1610 mm |
| Vehicle Height | 1430 mm | 1330 mm |
| Wheelbase Size | 2430 mm | 2510 mm |
