1986 Isuzu Piazza vs. 2003 Opel Signum
To start off, 2003 Opel Signum is newer by 17 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 2,958 cc (6 cylinders), 2003 Opel Signum is equipped with a bigger engine. In terms of performance, 2003 Opel Signum (174 HP @ 4000 RPM) has 26 more horse power than 1986 Isuzu Piazza. (148 HP @ 5400 RPM) In normal driving conditions, 2003 Opel Signum should accelerate faster than 1986 Isuzu Piazza. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Signum weights approximately 411 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, 2003 Opel Signum (370 Nm @ 1900 RPM) has 144 more torque (in Nm) than 1986 Isuzu Piazza. (226 Nm @ 3000 RPM). This means 2003 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1986 Isuzu Piazza.
Compare all specifications:
1986 Isuzu Piazza | 2003 Opel Signum | |
Make | Isuzu | Opel |
Model | Piazza | Signum |
Year Released | 1986 | 2003 |
Body Type | Hatchback | Hatchback |
Engine Position | Front | Front |
Engine Size | 1994 cc | 2958 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 148 HP | 174 HP |
Engine RPM | 5400 RPM | 4000 RPM |
Torque | 226 Nm | 370 Nm |
Torque RPM | 3000 RPM | 1900 RPM |
Engine Bore Size | 88 mm | 87.6 mm |
Engine Stroke Size | 82 mm | 82 mm |
Engine Compression Ratio | 7.9:1 | 18.5:1 |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 3 doors | 5 doors |
Vehicle Weight | 1284 kg | 1695 kg |
Vehicle Length | 4290 mm | 4640 mm |
Vehicle Width | 1610 mm | 1800 mm |
Vehicle Height | 1330 mm | 1470 mm |
Wheelbase Size | 2510 mm | 2710 mm |