1980 Alfa Romeo GTV vs. 1998 Opel Signum
To start off, 1998 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1980 Alfa Romeo GTV. In addition, the cost of maintenance, including insurance, on 1980 Alfa Romeo GTV would be higher. At 2,492 cc (6 cylinders), 1980 Alfa Romeo GTV is equipped with a bigger engine. In terms of performance, 1980 Alfa Romeo GTV (158 HP @ 5600 RPM) has 59 more horse power than 1998 Opel Signum. (99 HP @ 3120 RPM). In normal driving conditions, 1980 Alfa Romeo GTV should accelerate faster than 1998 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 385 kg more than 1980 Alfa Romeo GTV.
Let's talk about torque, 1980 Alfa Romeo GTV (220 Nm @ 4000 RPM) has 35 more torque (in Nm) than 1998 Opel Signum. (185 Nm @ 1500 RPM). This means 1980 Alfa Romeo GTV will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Signum.
Compare all specifications:
| 1980 Alfa Romeo GTV | 1998 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | GTV | Signum |
| Year Released | 1980 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 158 HP | 99 HP |
| Engine RPM | 5600 RPM | 3120 RPM |
| Torque | 220 Nm | 185 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 88.1 mm | 84 mm |
| Engine Stroke Size | 68.3 mm | 90 mm |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1210 kg | 1595 kg |
| Vehicle Length | 4270 mm | 4640 mm |
| Vehicle Width | 1670 mm | 1800 mm |
| Vehicle Height | 1340 mm | 1470 mm |
| Wheelbase Size | 2410 mm | 2840 mm |
