1975 Alfa Romeo GT vs. 1998 Opel Signum
To start off, 1998 Opel Signum is newer by 23 year(s). Which means there will be less support and parts availability for 1975 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 1975 Alfa Romeo GT would be higher. At 1,796 cc (4 cylinders), 1998 Opel Signum is equipped with a bigger engine. In terms of performance, 1998 Opel Signum (120 HP @ 6000 RPM) has 33 more horse power than 1975 Alfa Romeo GT. (87 HP @ 6000 RPM) In normal driving conditions, 1998 Opel Signum should accelerate faster than 1975 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 1998 Opel Signum weights approximately 500 kg more than 1975 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Alfa Romeo GT is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1975 Alfa Romeo GT. However, in wet, icy, snow, or gravel driving conditions, 1998 Opel Signum, being front wheel drive (FWD), will offer much better control with better grip. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1998 Opel Signum (167 Nm @ 3800 RPM) has 27 more torque (in Nm) than 1975 Alfa Romeo GT. (140 Nm @ 3200 RPM). This means 1998 Opel Signum will have an easier job in driving up hills or pulling heavy equipment than 1975 Alfa Romeo GT.
Compare all specifications:
| 1975 Alfa Romeo GT | 1998 Opel Signum | |
| Make | Alfa Romeo | Opel |
| Model | GT | Signum |
| Year Released | 1975 | 1998 |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 120 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 140 Nm | 167 Nm |
| Torque RPM | 3200 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 980 kg | 1480 kg |
| Vehicle Length | 4090 mm | 4640 mm |
| Vehicle Width | 1590 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2160 mm | 2740 mm |
| Fuel Tank Capacity | 46 L | 60 L |
