2004 Porsche 911 vs. 1991 Porsche 965
To start off, 2004 Porsche 911 is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Porsche 965. In addition, the cost of maintenance, including insurance, on 1991 Porsche 965 would be higher. At 3,600 cc (6 cylinders), 2004 Porsche 911 is equipped with a bigger engine. In terms of performance, 2004 Porsche 911 (444 HP @ 5700 RPM) has 127 more horse power than 1991 Porsche 965. (317 HP @ 5750 RPM). In normal driving conditions, 2004 Porsche 911 should accelerate faster than 1991 Porsche 965. With that said, vehicle weight also plays an important factor in acceleration. 2004 Porsche 911 weights approximately 195 kg more than 1991 Porsche 965. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Porsche 965. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Porsche 911 (620 Nm @ 3500 RPM) has 161 more torque (in Nm) than 1991 Porsche 965. (459 Nm @ 4500 RPM). This means 2004 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 965.
Compare all specifications:
| 2004 Porsche 911 | 1991 Porsche 965 | |
| Make | Porsche | Porsche |
| Model | 911 | 965 |
| Year Released | 2004 | 1991 |
| Engine Position | Rear | Rear |
| Engine Size | 3600 cc | 3299 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 444 HP | 317 HP |
| Engine RPM | 5700 RPM | 5750 RPM |
| Torque | 620 Nm | 459 Nm |
| Torque RPM | 3500 RPM | 4500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Vehicle Weight | 1660 kg | 1465 kg |
| Vehicle Length | 4440 mm | 4260 mm |
| Vehicle Width | 1840 mm | 1760 mm |
| Vehicle Height | 1300 mm | 1310 mm |
| Wheelbase Size | 2360 mm | 2270 mm |
