1991 Porsche 964 vs. 1978 Tatra T613
To start off, 1991 Porsche 964 is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Tatra T613. In addition, the cost of maintenance, including insurance, on 1978 Tatra T613 would be higher. At 3,600 cc (6 cylinders), 1991 Porsche 964 is equipped with a bigger engine. In terms of performance, 1991 Porsche 964 (261 HP @ 6100 RPM) has 94 more horse power than 1978 Tatra T613. (167 HP @ 5600 RPM). In normal driving conditions, 1991 Porsche 964 should accelerate faster than 1978 Tatra T613. With that said, vehicle weight also plays an important factor in acceleration. 1978 Tatra T613 weights approximately 487 kg more than 1991 Porsche 964.
Because 1991 Porsche 964 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Tatra T613. In wet, icy, snow, or gravel driving conditions, 1991 Porsche 964 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, 1991 Porsche 964 (318 Nm @ 4800 RPM) has 48 more torque (in Nm) than 1978 Tatra T613. (270 Nm @ 3300 RPM). This means 1991 Porsche 964 will have an easier job in driving up hills or pulling heavy equipment than 1978 Tatra T613.
Compare all specifications:
| 1991 Porsche 964 | 1978 Tatra T613 | |
| Make | Porsche | Tatra |
| Model | 964 | T613 |
| Year Released | 1991 | 1978 |
| Engine Position | Rear | Rear |
| Engine Size | 3600 cc | 3495 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | boxer | V |
| Horse Power | 261 HP | 167 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 318 Nm | 270 Nm |
| Torque RPM | 4800 RPM | 3300 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1205 kg | 1692 kg |
| Vehicle Length | 4260 mm | 5030 mm |
| Vehicle Width | 1660 mm | 1810 mm |
| Vehicle Height | 1330 mm | 1450 mm |
| Wheelbase Size | 2280 mm | 2990 mm |
