1978 Fiat 131 vs. 2005 Pontiac Grand Prix
To start off, 2005 Pontiac Grand Prix is newer by 27 year(s). Which means there will be less support and parts availability for 1978 Fiat 131. In addition, the cost of maintenance, including insurance, on 1978 Fiat 131 would be higher. At 3,786 cc (6 cylinders), 2005 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2005 Pontiac Grand Prix (200 HP) has 125 more horse power than 1978 Fiat 131. (75 HP) In normal driving conditions, 2005 Pontiac Grand Prix should accelerate faster than 1978 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2005 Pontiac Grand Prix weights approximately 387 kg more than 1978 Fiat 131. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 Fiat 131 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1978 Fiat 131. However, in wet, icy, snow, or gravel driving conditions, 2005 Pontiac Grand Prix, being front wheel drive (FWD), will offer much better control with better grip. 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, 2005 Pontiac Grand Prix (298 Nm) has 154 more torque (in Nm) than 1978 Fiat 131. (144 Nm). This means 2005 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1978 Fiat 131.
Compare all specifications:
| 1978 Fiat 131 | 2005 Pontiac Grand Prix | |
| Make | Fiat | Pontiac |
| Model | 131 | Grand Prix |
| Year Released | 1978 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 2444 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 75 HP | 200 HP |
| Torque | 144 Nm | 298 Nm |
| Engine Bore Size | 93 mm | 97 mm |
| Engine Stroke Size | 90 mm | 86 mm |
| Engine Compression Ratio | 22.0:1 | 9.4:1 |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1190 kg | 1577 kg |
| Vehicle Length | 4270 mm | 5040 mm |
| Vehicle Width | 1660 mm | 1830 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2500 mm | 2810 mm |
