1979 Fiat 131 vs. 2007 Pontiac Grand Prix
To start off, 2007 Pontiac Grand Prix is newer by 28 year(s). Which means there will be less support and parts availability for 1979 Fiat 131. In addition, the cost of maintenance, including insurance, on 1979 Fiat 131 would be higher. At 3,786 cc (6 cylinders), 2007 Pontiac Grand Prix is equipped with a bigger engine. In terms of performance, 2007 Pontiac Grand Prix (200 HP) has 129 more horse power than 1979 Fiat 131. (71 HP) In normal driving conditions, 2007 Pontiac Grand Prix should accelerate faster than 1979 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2007 Pontiac Grand Prix weights approximately 146 kg more than 1979 Fiat 131. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2007 Pontiac Grand Prix (312 Nm @ 4000 RPM) has 160 more torque (in Nm) than 1979 Fiat 131. (152 Nm @ 2400 RPM). This means 2007 Pontiac Grand Prix will have an easier job in driving up hills or pulling heavy equipment than 1979 Fiat 131. 2007 Pontiac Grand Prix has automatic transmission and 1979 Fiat 131 has manual transmission. 1979 Fiat 131 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Pontiac Grand Prix will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1979 Fiat 131 | 2007 Pontiac Grand Prix | |
| Make | Fiat | Pontiac |
| Model | 131 | Grand Prix |
| Year Released | 1979 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2443 cc | 3786 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 71 HP | 200 HP |
| Torque | 152 Nm | 312 Nm |
| Torque RPM | 2400 RPM | 4000 RPM |
| 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 | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1210 kg | 1356 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 |
