2007 BMW 550 vs. 1976 Fiat 131
To start off, 2007 BMW 550 is newer by 31 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 4,799 cc (8 cylinders), 2007 BMW 550 is equipped with a bigger engine. In terms of performance, 2007 BMW 550 (362 HP @ 6300 RPM) has 224 more horse power than 1976 Fiat 131. (138 HP @ 6400 RPM). In normal driving conditions, 2007 BMW 550 should accelerate faster than 1976 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 550 weights approximately 620 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.
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 BMW 550 (490 Nm @ 3400 RPM) has 313 more torque (in Nm) than 1976 Fiat 131. (177 Nm @ 3800 RPM). This means 2007 BMW 550 will have an easier job in driving up hills or pulling heavy equipment than 1976 Fiat 131.
Compare all specifications:
| 2007 BMW 550 | 1976 Fiat 131 | |
| Make | BMW | Fiat |
| Model | 550 | 131 |
| Year Released | 2007 | 1976 |
| Engine Position | Front | Front |
| Engine Size | 4799 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 362 HP | 138 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 490 Nm | 177 Nm |
| Torque RPM | 3400 RPM | 3800 RPM |
| Engine Bore Size | 93.1 mm | 84 mm |
| Engine Stroke Size | 88.3 mm | 90 mm |
| Engine Compression Ratio | 10.5:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1040 kg |
| Vehicle Length | 4850 mm | 4200 mm |
| Vehicle Width | 1470 mm | 1730 mm |
| Vehicle Height | 1850 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2430 mm |
| Fuel Tank Capacity | 70 L | 50 L |
