2009 Porsche 911 vs. 1973 Porsche 911
To start off, 2009 Porsche 911 is newer by 36 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. At 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 142 more horse power than 1973 Porsche 911. (208 HP @ 6300 RPM). In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1973 Porsche 911. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 580 kg more than 1973 Porsche 911. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2009 Porsche 911 (400 Nm @ 4600 RPM) has 140 more torque (in Nm) than 1973 Porsche 911. (260 Nm @ 5100 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1973 Porsche 911.
Compare all specifications:
| 2009 Porsche 911 | 1973 Porsche 911 | |
| Make | Porsche | Porsche |
| Model | 911 | 911 |
| Year Released | 2009 | 1973 |
| Body Type | Coupe | Coupe |
| Engine Position | Rear | Rear |
| Engine Size | 3823 cc | 2687 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Horse Power | 350 HP | 208 HP |
| Engine RPM | 6600 RPM | 6300 RPM |
| Torque | 400 Nm | 260 Nm |
| Torque RPM | 4600 RPM | 5100 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1530 kg | 950 kg |
| Vehicle Length | 4440 mm | 4110 mm |
| Vehicle Width | 1310 mm | 1660 mm |
| Vehicle Height | 1780 mm | 1330 mm |
| Wheelbase Size | 2360 mm | 2280 mm |
