1974 Alfa Romeo Alfetta vs. 1981 Porsche 911
To start off, 1981 Porsche 911 is newer by 7 year(s). Which means there will be less support and parts availability for 1974 Alfa Romeo Alfetta. In addition, the cost of maintenance, including insurance, on 1974 Alfa Romeo Alfetta 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 123 more horse power than 1974 Alfa Romeo Alfetta. (109 HP @ 5600 RPM) In normal driving conditions, 1981 Porsche 911 should accelerate faster than 1974 Alfa Romeo Alfetta. With that said, vehicle weight also plays an important factor in acceleration. 1981 Porsche 911 weights approximately 262 kg more than 1974 Alfa Romeo Alfetta. 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 143 more torque (in Nm) than 1974 Alfa Romeo Alfetta. (141 Nm @ 4300 RPM). This means 1981 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1974 Alfa Romeo Alfetta.
Compare all specifications:
| 1974 Alfa Romeo Alfetta | 1981 Porsche 911 | |
| Make | Alfa Romeo | Porsche |
| Model | Alfetta | 911 |
| Year Released | 1974 | 1981 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Rear |
| Engine Size | 1570 cc | 3164 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 109 HP | 232 HP |
| Engine RPM | 5600 RPM | 5900 RPM |
| Torque | 141 Nm | 284 Nm |
| Torque RPM | 4300 RPM | 4800 RPM |
| Engine Compression Ratio | 9.0:1 | 10.3:1 |
| Top Speed | 159 km/hour | 246 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 998 kg | 1260 kg |
| Vehicle Length | 4200 mm | 4300 mm |
| Vehicle Width | 1670 mm | 1660 mm |
| Vehicle Height | 1340 mm | 1330 mm |
| Wheelbase Size | 2410 mm | 2270 mm |
| Fuel Tank Capacity | 49 L | 80 L |
