2007 Cadillac STS vs. 1984 Isuzu Piazza
To start off, 2007 Cadillac STS 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 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 172 more horse power than 1984 Isuzu Piazza. (148 HP @ 5400 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 1984 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 358 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 201 more torque (in Nm) than 1984 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1984 Isuzu Piazza.
Compare all specifications:
| 2007 Cadillac STS | 1984 Isuzu Piazza | |
| Make | Cadillac | Isuzu |
| Model | STS | Piazza |
| Year Released | 2007 | 1984 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 320 HP | 148 HP |
| Engine RPM | 6400 RPM | 5400 RPM |
| Torque | 427 Nm | 226 Nm |
| Torque RPM | 4400 RPM | 3000 RPM |
| Engine Bore Size | 93 mm | 88 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Engine Compression Ratio | 10.5:1 | 7.9:1 |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1638 kg | 1280 kg |
| Vehicle Length | 4990 mm | 4290 mm |
| Vehicle Width | 1850 mm | 1610 mm |
| Vehicle Height | 1470 mm | 1330 mm |
| Wheelbase Size | 2960 mm | 2510 mm |
