1973 Alfa Romeo Giulia vs. 1974 Porsche 911
To start off, 1974 Porsche 911 is newer by 1 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 2,687 cc (6 cylinders), 1974 Porsche 911 is equipped with a bigger engine. In terms of performance, 1974 Porsche 911 (151 HP @ 5700 RPM) has 69 more horse power than 1973 Alfa Romeo Giulia. (82 HP @ 6000 RPM) In normal driving conditions, 1974 Porsche 911 should accelerate faster than 1973 Alfa Romeo Giulia. With that said, vehicle weight also plays an important factor in acceleration. 1974 Porsche 911 weights approximately 27 kg more than 1973 Alfa Romeo Giulia. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 1974 Porsche 911 (240 Nm @ 3800 RPM) has 136 more torque (in Nm) than 1973 Alfa Romeo Giulia. (104 Nm @ 4900 RPM). This means 1974 Porsche 911 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 | 1974 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Giulia | 911 |
| Year Released | 1973 | 1974 |
| Engine Position | Front | Rear |
| Engine Size | 1289 cc | 2687 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 82 HP | 151 HP |
| Engine RPM | 6000 RPM | 5700 RPM |
| Torque | 104 Nm | 240 Nm |
| Torque RPM | 4900 RPM | 3800 RPM |
| Engine Bore Size | 74 mm | 90 mm |
| Engine Stroke Size | 75 mm | 70.4 mm |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 160 km/hour | 222 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1048 kg | 1075 kg |
| Vehicle Length | 4170 mm | 4300 mm |
| Vehicle Width | 1570 mm | 1620 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2460 mm | 2270 mm |
| Fuel Tank Capacity | 46 L | 80 L |
