1971 Alfa Romeo GTA vs. 1981 Porsche 911
To start off, 1981 Porsche 911 is newer by 10 year(s). Which means there will be less support and parts availability for 1971 Alfa Romeo GTA. In addition, the cost of maintenance, including insurance, on 1971 Alfa Romeo GTA would be higher. At 3,164 cc (6 cylinders), 1981 Porsche 911 is equipped with a bigger engine. In terms of performance, 1981 Porsche 911 (232 HP @ 5900 RPM) has 139 more horse power than 1971 Alfa Romeo GTA. (93 HP @ 6000 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 1971 Alfa Romeo GTA. With that said, vehicle weight also plays an important factor in acceleration. 1981 Porsche 911 weights approximately 470 kg more than 1971 Alfa Romeo GTA. 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, 1981 Porsche 911 (284 Nm @ 4800 RPM) has 144 more torque (in Nm) than 1971 Alfa Romeo GTA. (140 Nm @ 3200 RPM). This means 1981 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1971 Alfa Romeo GTA.
Compare all specifications:
| 1971 Alfa Romeo GTA | 1981 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | GTA | 911 |
| Year Released | 1971 | 1981 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1290 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 93 HP | 232 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 140 Nm | 284 Nm |
| Torque RPM | 3200 RPM | 4800 RPM |
| Drive Type | Rear | Rear |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 790 kg | 1260 kg |
| Vehicle Length | 4090 mm | 4300 mm |
| Vehicle Width | 1590 mm | 1660 mm |
| Vehicle Height | 1320 mm | 1330 mm |
| Wheelbase Size | 2360 mm | 2270 mm |
| Fuel Tank Capacity | 46 L | 80 L |
