1977 Alfa Romeo Alfasud vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 27 year(s). Which means there will be less support and parts availability for 1977 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1977 Alfa Romeo Alfasud would be higher. At 1,584 cc (4 cylinders), 2004 Opel Astra is equipped with a bigger engine. In terms of performance, 2004 Opel Astra (100 HP @ 6200 RPM) has 25 more horse power than 1977 Alfa Romeo Alfasud. (75 HP @ 6000 RPM) In normal driving conditions, 2004 Opel Astra should accelerate faster than 1977 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 2004 Opel Astra weights approximately 512 kg more than 1977 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 2004 Opel Astra (142 Nm @ 3600 RPM) has 39 more torque (in Nm) than 1977 Alfa Romeo Alfasud. (103 Nm @ 3500 RPM). This means 2004 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1977 Alfa Romeo Alfasud.
Compare all specifications:
| 1977 Alfa Romeo Alfasud | 2004 Opel Astra | |
| Make | Alfa Romeo | Opel |
| Model | Alfasud | Astra |
| Year Released | 1977 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1287 cc | 1584 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | boxer | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 75 HP | 100 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 103 Nm | 142 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 79 mm |
| Engine Stroke Size | 64 mm | 81.5 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 838 kg | 1350 kg |
| Vehicle Length | 4030 mm | 4280 mm |
| Vehicle Width | 1620 mm | 1720 mm |
| Vehicle Height | 1310 mm | 1470 mm |
| Wheelbase Size | 2460 mm | 2620 mm |
| Fuel Tank Capacity | 50 L | 52 L |
