1977 Porsche 911 vs. 1973 Porsche 911
To start off, 1977 Porsche 911 is newer by 4 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. Both 1977 Porsche 911 and 1973 Porsche 911 are equipped with a 2,994 cc engine. In terms of performance, 1973 Porsche 911 (226 HP @ 6200 RPM) has 26 more horse power than 1977 Porsche 911. (200 HP @ 6000 RPM) In normal driving conditions, 1973 Porsche 911 should accelerate faster than 1977 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 1977 Porsche 911 weights approximately 260 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 15 more torque (in Nm) than 1977 Porsche 911. (260 Nm @ 4200 RPM). This means 1973 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1977 Porsche 911.
Compare all specifications:
| 1977 Porsche 911 | 1973 Porsche 911 | |
| Make | Porsche | Porsche |
| Model | 911 | 911 |
| Year Released | 1977 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Rear | Rear |
| Engine Size | 2994 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 200 HP | 226 HP |
| Engine RPM | 6000 RPM | 6200 RPM |
| Torque | 260 Nm | 275 Nm |
| Torque RPM | 4200 RPM | 5000 RPM |
| Engine Bore Size | 95 mm | 95 mm |
| Engine Stroke Size | 70.4 mm | 70.4 mm |
| Engine Compression Ratio | 8.5:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1160 kg | 900 kg |
| Vehicle Length | 4300 mm | 4130 mm |
| Vehicle Width | 1660 mm | 1690 mm |
| Vehicle Height | 1330 mm | 1330 mm |
| Wheelbase Size | 2280 mm | 2270 mm |
| Fuel Tank Capacity | 79 L | 80 L |
