1972 Alfa Romeo GT vs. 1999 Porsche 911
To start off, 1999 Porsche 911 is newer by 27 year(s). Which means there will be less support and parts availability for 1972 Alfa Romeo GT. In addition, the cost of maintenance, including insurance, on 1972 Alfa Romeo GT would be higher. At 3,595 cc (6 cylinders), 1999 Porsche 911 is equipped with a bigger engine. In terms of performance, 1999 Porsche 911 (414 HP @ 6000 RPM) has 283 more horse power than 1972 Alfa Romeo GT. (131 HP @ 6000 RPM) In normal driving conditions, 1999 Porsche 911 should accelerate faster than 1972 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 1999 Porsche 911 weights approximately 590 kg more than 1972 Alfa Romeo GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1972 Alfa Romeo GT. In wet, icy, snow, or gravel driving conditions, 1999 Porsche 911 will offer significantly more control. 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, 1999 Porsche 911 (560 Nm @ 2700 RPM) has 404 more torque (in Nm) than 1972 Alfa Romeo GT. (156 Nm @ 2800 RPM). This means 1999 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1972 Alfa Romeo GT.
Compare all specifications:
| 1972 Alfa Romeo GT | 1999 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GT | 911 |
| Year Released | 1972 | 1999 |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 3595 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 131 HP | 414 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 156 Nm | 560 Nm |
| Torque RPM | 2800 RPM | 2700 RPM |
| Engine Bore Size | 78 mm | 100 mm |
| Engine Stroke Size | 82 mm | 76.4 mm |
| Engine Compression Ratio | 9.0:1 | 9.4:1 |
| Top Speed | 190 km/hour | 304 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 950 kg | 1540 kg |
| Vehicle Length | 4010 mm | 4440 mm |
| Vehicle Width | 1560 mm | 1840 mm |
| Vehicle Height | 1290 mm | 1300 mm |
| Wheelbase Size | 2260 mm | 2360 mm |
| Fuel Tank Capacity | 50 L | 64 L |
