1973 Alfa Romeo Giulia vs. 1991 Opel Astra
To start off, 1991 Opel Astra is newer by 18 year(s). Which means there will be less support and parts availability for 1973 Alfa Romeo Giulia. In addition, the cost of maintenance, including insurance, on 1973 Alfa Romeo Giulia would be higher. At 1,700 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1973 Alfa Romeo Giulia (82 HP @ 6000 RPM) has 26 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 1973 Alfa Romeo Giulia should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Opel Astra weights approximately 2 kg more than 1973 Alfa Romeo Giulia.
Because 1973 Alfa Romeo Giulia 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 1973 Alfa Romeo Giulia. 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, 1991 Opel Astra (105 Nm @ 2400 RPM) has 1 more torque (in Nm) than 1973 Alfa Romeo Giulia. (104 Nm @ 4900 RPM). This means 1991 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1973 Alfa Romeo Giulia.
Compare all specifications:
| 1973 Alfa Romeo Giulia | 1991 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Giulia | Astra |
| Year Released | 1973 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1289 cc | 1700 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 82 HP | 56 HP |
| Engine RPM | 6000 RPM | 4600 RPM |
| Torque | 104 Nm | 105 Nm |
| Torque RPM | 4900 RPM | 2400 RPM |
| Engine Bore Size | 74 mm | 82.5 mm |
| Engine Stroke Size | 75 mm | 79.5 mm |
| Engine Compression Ratio | 9.0:1 | 23.0:1 |
| Top Speed | 160 km/hour | 150 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1048 kg | 1050 kg |
| Vehicle Length | 4170 mm | 4060 mm |
| Vehicle Width | 1570 mm | 1670 mm |
| Vehicle Height | 1440 mm | 1430 mm |
| Wheelbase Size | 2460 mm | 2530 mm |
| Fuel Tank Capacity | 46 L | 40 L |
