1966 Alfa Romeo GT vs. 1972 Porsche 911
To start off, 1972 Porsche 911 is newer by 6 year(s). Which means there will be less support and parts availability for 1966 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 1966 Alfa Romeo GT would be higher. At 2,339 cc (6 cylinders), 1972 Porsche 911 is equipped with a bigger engine. In terms of performance, 1972 Porsche 911 (165 HP @ 6200 RPM) has 61 more horse power than 1966 Alfa Romeo GT. (104 HP @ 6000 RPM) In normal driving conditions, 1972 Porsche 911 should accelerate faster than 1966 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 1972 Porsche 911 weights approximately 147 kg more than 1966 Alfa Romeo GT. 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, 1972 Porsche 911 (206 Nm @ 4500 RPM) has 69 more torque (in Nm) than 1966 Alfa Romeo GT. (137 Nm @ 3200 RPM). This means 1972 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1966 Alfa Romeo GT.
Compare all specifications:
| 1966 Alfa Romeo GT | 1972 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 1966 | 1972 |
| Engine Position | Front | Rear |
| Engine Size | 1290 cc | 2339 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 104 HP | 165 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 137 Nm | 206 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Engine Bore Size | 74 mm | 84 mm |
| Engine Stroke Size | 75 mm | 70.4 mm |
| Engine Compression Ratio | 9.0:1 | 8.0:1 |
| Top Speed | 170 km/hour | 220 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 930 kg | 1077 kg |
| Vehicle Length | 4090 mm | 4150 mm |
| Vehicle Width | 1590 mm | 1620 mm |
| Vehicle Height | 1320 mm | 1330 mm |
| Wheelbase Size | 2360 mm | 2270 mm |
| Fuel Tank Capacity | 46 L | 80 L |
