1986 Alfa Romeo 75 vs. 1973 Porsche 911
To start off, 1986 Alfa Romeo 75 is newer by 13 year(s). Which means there will be less support and parts availability for 1973 Porsche 911. In addition, the cost of maintenance, including insurance, on 1973 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1973 Porsche 911 is equipped with a bigger engine. In terms of performance, 1973 Porsche 911 (226 HP @ 6200 RPM) has 118 more horse power than 1986 Alfa Romeo 75. (108 HP @ 5800 RPM) In normal driving conditions, 1973 Porsche 911 should accelerate faster than 1986 Alfa Romeo 75. With that said, vehicle weight also plays an important factor in acceleration. 1986 Alfa Romeo 75 weights approximately 192 kg more than 1973 Porsche 911.
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, 1973 Porsche 911 (275 Nm @ 5000 RPM) has 129 more torque (in Nm) than 1986 Alfa Romeo 75. (146 Nm @ 4000 RPM). This means 1973 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1986 Alfa Romeo 75.
Compare all specifications:
| 1986 Alfa Romeo 75 | 1973 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | 75 | 911 |
| Year Released | 1986 | 1973 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 108 HP | 226 HP |
| Engine RPM | 5800 RPM | 6200 RPM |
| Torque | 146 Nm | 275 Nm |
| Torque RPM | 4000 RPM | 5000 RPM |
| Engine Bore Size | 78 mm | 95 mm |
| Engine Stroke Size | 82 mm | 70.4 mm |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Top Speed | 180 km/hour | 245 km/hour |
| Acceleration 0-100mph | 10.7 seconds | 5.3 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1092 kg | 900 kg |
| Vehicle Length | 4340 mm | 4130 mm |
| Vehicle Width | 1640 mm | 1690 mm |
| Vehicle Height | 1360 mm | 1330 mm |
| Wheelbase Size | 2520 mm | 2270 mm |
| Fuel Tank Capacity | 49 L | 80 L |
