1978 Citroen Visa vs. 1991 Porsche 964
To start off, 1991 Porsche 964 is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Citroen Visa. In addition, the cost of maintenance, including insurance, on 1978 Citroen Visa 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 226 more horse power than 1978 Citroen Visa. (35 HP @ 5500 RPM) In normal driving conditions, 1991 Porsche 964 should accelerate faster than 1978 Citroen Visa. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 964 weights approximately 479 kg more than 1978 Citroen Visa. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 Porsche 964 is four wheel drive (4WD), it will have significant more traction and grip than 1978 Citroen Visa. 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 268 more torque (in Nm) than 1978 Citroen Visa. (50 Nm @ 3500 RPM). This means 1991 Porsche 964 will have an easier job in driving up hills or pulling heavy equipment than 1978 Citroen Visa.
Compare all specifications:
| 1978 Citroen Visa | 1991 Porsche 964 | |
| Make | Citroen | Porsche |
| Model | Visa | 964 |
| Year Released | 1978 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 652 cc | 3600 cc |
| Engine Cylinders | 2 cylinders | 6 cylinders |
| Engine Type | boxer | boxer |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 35 HP | 261 HP |
| Engine RPM | 5500 RPM | 6100 RPM |
| Torque | 50 Nm | 318 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Bore Size | 77 mm | 100.1 mm |
| Engine Stroke Size | 70 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 726 kg | 1205 kg |
| Vehicle Length | 3700 mm | 4260 mm |
| Vehicle Width | 1540 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2860 mm | 2280 mm |
| Fuel Tank Capacity | 40 L | 73 L |
