2005 Porsche 911 vs. 1977 Porsche 911
To start off, 2005 Porsche 911 is newer by 28 year(s). Which means there will be less support and parts availability for 1977 Porsche 911. In addition, the cost of maintenance, including insurance, on 1977 Porsche 911 would be higher. At 3,596 cc (6 cylinders), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (316 HP @ 4250 RPM) has 116 more horse power than 1977 Porsche 911. (200 HP @ 6000 RPM). In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1977 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 185 kg more than 1977 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Porsche 911 (370 Nm @ 4250 RPM) has 110 more torque (in Nm) than 1977 Porsche 911. (260 Nm @ 4200 RPM). This means 2005 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1977 Porsche 911.
Compare all specifications:
| 2005 Porsche 911 | 1977 Porsche 911 | |
| Make | Porsche | Porsche |
| Model | 911 | 911 |
| Year Released | 2005 | 1977 |
| Body Type | Coupe | Coupe |
| Engine Position | Rear | Rear |
| Engine Size | 3596 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 316 HP | 200 HP |
| Engine RPM | 4250 RPM | 6000 RPM |
| Torque | 370 Nm | 260 Nm |
| Torque RPM | 4250 RPM | 4200 RPM |
| Engine Bore Size | 96 mm | 95 mm |
| Engine Stroke Size | 82.8 mm | 70.4 mm |
| Engine Compression Ratio | 11.3:1 | 8.5:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1345 kg | 1160 kg |
| Vehicle Length | 4440 mm | 4300 mm |
| Vehicle Width | 1780 mm | 1660 mm |
| Vehicle Height | 1310 mm | 1330 mm |
| Wheelbase Size | 2360 mm | 2280 mm |
| Fuel Tank Capacity | 64 L | 79 L |
