1991 Porsche 964 vs. 1997 Porsche 993
To start off, 1997 Porsche 993 is newer by 6 year(s). Which means there will be less support and parts availability for 1991 Porsche 964. In addition, the cost of maintenance, including insurance, on 1991 Porsche 964 would be higher. At 3,600 cc (6 cylinders), 1991 Porsche 964 is equipped with a bigger engine. In terms of performance, 1997 Porsche 993 (282 HP @ 6100 RPM) has 21 more horse power than 1991 Porsche 964. (261 HP @ 6100 RPM) In normal driving conditions, 1997 Porsche 993 should accelerate faster than 1991 Porsche 964. With that said, vehicle weight also plays an important factor in acceleration. 1997 Porsche 993 weights approximately 215 kg more than 1991 Porsche 964. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear 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, 1997 Porsche 993 (341 Nm @ 5250 RPM) has 23 more torque (in Nm) than 1991 Porsche 964. (318 Nm @ 4800 RPM). This means 1997 Porsche 993 will have an easier job in driving up hills or pulling heavy equipment than 1991 Porsche 964.
Compare all specifications:
| 1991 Porsche 964 | 1997 Porsche 993 | |
| Make | Porsche | Porsche |
| Model | 964 | 993 |
| Year Released | 1991 | 1997 |
| Engine Position | Rear | Rear |
| Engine Size | 3600 cc | 3589 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 261 HP | 282 HP |
| Engine RPM | 6100 RPM | 6100 RPM |
| Torque | 318 Nm | 341 Nm |
| Torque RPM | 4800 RPM | 5250 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1205 kg | 1420 kg |
| Vehicle Length | 4260 mm | 4250 mm |
| Vehicle Width | 1660 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1290 mm |
| Wheelbase Size | 2280 mm | 2280 mm |
