1976 Fiat 131 vs. 1991 Porsche 964
To start off, 1991 Porsche 964 is newer by 15 year(s). Which means there will be less support and parts availability for 1976 Fiat 131. In addition, the cost of maintenance, including insurance, on 1976 Fiat 131 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 123 more horse power than 1976 Fiat 131. (138 HP @ 6400 RPM) In normal driving conditions, 1991 Porsche 964 should accelerate faster than 1976 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 964 weights approximately 165 kg more than 1976 Fiat 131. 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 1976 Fiat 131. 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 141 more torque (in Nm) than 1976 Fiat 131. (177 Nm @ 3800 RPM). This means 1991 Porsche 964 will have an easier job in driving up hills or pulling heavy equipment than 1976 Fiat 131.
Compare all specifications:
| 1976 Fiat 131 | 1991 Porsche 964 | |
| Make | Fiat | Porsche |
| Model | 131 | 964 |
| Year Released | 1976 | 1991 |
| Engine Position | Front | Rear |
| Engine Size | 1993 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 261 HP |
| Engine RPM | 6400 RPM | 6100 RPM |
| Torque | 177 Nm | 318 Nm |
| Torque RPM | 3800 RPM | 4800 RPM |
| Engine Bore Size | 84 mm | 100.1 mm |
| Engine Stroke Size | 90 mm | 76.4 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1205 kg |
| Vehicle Length | 4200 mm | 4260 mm |
| Vehicle Width | 1730 mm | 1660 mm |
| Vehicle Height | 1370 mm | 1330 mm |
| Wheelbase Size | 2430 mm | 2280 mm |
| Fuel Tank Capacity | 50 L | 73 L |
