1973 Alfa Romeo Alfasud vs. 1975 Porsche 911
To start off, 1975 Porsche 911 is newer by 2 year(s). Which means there will be less support and parts availability for 1973 Alfa Romeo Alfasud. In addition, the cost of maintenance, including insurance, on 1973 Alfa Romeo Alfasud would be higher. At 2,994 cc (6 cylinders), 1975 Porsche 911 is equipped with a bigger engine. In terms of performance, 1975 Porsche 911 (260 HP @ 5500 RPM) has 193 more horse power than 1973 Alfa Romeo Alfasud. (67 HP @ 6000 RPM) In normal driving conditions, 1975 Porsche 911 should accelerate faster than 1973 Alfa Romeo Alfasud. With that said, vehicle weight also plays an important factor in acceleration. 1975 Porsche 911 weights approximately 325 kg more than 1973 Alfa Romeo Alfasud. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1975 Porsche 911 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 Porsche 911. However, in wet, icy, snow, or gravel driving conditions, 1973 Alfa Romeo Alfasud, 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, 1975 Porsche 911 (343 Nm @ 4000 RPM) has 224 more torque (in Nm) than 1973 Alfa Romeo Alfasud. (119 Nm @ 4000 RPM). This means 1975 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1973 Alfa Romeo Alfasud.
Compare all specifications:
| 1973 Alfa Romeo Alfasud | 1975 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Alfasud | 911 |
| Year Released | 1973 | 1975 |
| Engine Position | Front | Rear |
| Engine Size | 1186 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 67 HP | 260 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 119 Nm | 343 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 80 mm | 95.1 mm |
| Engine Stroke Size | 59 mm | 70.4 mm |
| Engine Compression Ratio | 9.0:1 | 6.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 870 kg | 1195 kg |
| Vehicle Length | 3930 mm | 4300 mm |
| Vehicle Width | 1620 mm | 1780 mm |
| Vehicle Height | 1380 mm | 1330 mm |
| Wheelbase Size | 2520 mm | 2270 mm |
| Fuel Tank Capacity | 50 L | 79 L |
