1974 Alfa Romeo GT vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 17 year(s). Which means there will be less support and parts availability for 1974 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 1974 Alfa Romeo GT would be higher. At 1,389 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1974 Alfa Romeo GT (87 HP @ 6000 RPM) has 28 more horse power than 1991 Opel Astra. (59 HP @ 5200 RPM). In normal driving conditions, 1974 Alfa Romeo GT should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1974 Alfa Romeo GT weights approximately 5 kg more than 1991 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1974 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 1974 Alfa Romeo GT. However, in wet, icy, snow, or gravel driving conditions, 1991 Opel Astra, 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, 1974 Alfa Romeo GT (140 Nm @ 3200 RPM) has 36 more torque (in Nm) than 1991 Opel Astra. (104 Nm @ 2800 RPM). This means 1974 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1974 Alfa Romeo GT | 1991 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | GT | Astra |
| Year Released | 1974 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1290 cc | 1389 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 87 HP | 59 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 140 Nm | 104 Nm |
| Torque RPM | 3200 RPM | 2800 RPM |
| Engine Bore Size | 78 mm | 77.6 mm |
| Engine Stroke Size | 67.5 mm | 73.4 mm |
| Top Speed | 170 km/hour | 155 km/hour |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 980 kg | 975 kg |
| Vehicle Length | 4090 mm | 4280 mm |
| Vehicle Width | 1590 mm | 1690 mm |
| Vehicle Height | 1330 mm | 1480 mm |
| Wheelbase Size | 2160 mm | 2530 mm |
