1977 BMW 728 vs. 1974 Fiat 131
To start off, 1977 BMW 728 is newer by 3 year(s). Which means there will be less support and parts availability for 1974 Fiat 131. In addition, the cost of maintenance, including insurance, on 1974 Fiat 131 would be higher. At 2,788 cc (6 cylinders), 1977 BMW 728 is equipped with a bigger engine. In terms of performance, 1977 BMW 728 (170 HP @ 6000 RPM) has 106 more horse power than 1974 Fiat 131. (64 HP @ 5400 RPM). In normal driving conditions, 1977 BMW 728 should accelerate faster than 1974 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 1977 BMW 728 weights approximately 571 kg more than 1974 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, 1977 BMW 728 (235 Nm @ 3700 RPM) has 133 more torque (in Nm) than 1974 Fiat 131. (102 Nm @ 3000 RPM). This means 1977 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1974 Fiat 131.
Compare all specifications:
| 1977 BMW 728 | 1974 Fiat 131 | |
| Make | BMW | Fiat |
| Model | 728 | 131 |
| Year Released | 1977 | 1974 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1297 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 170 HP | 64 HP |
| Engine RPM | 6000 RPM | 5400 RPM |
| Torque | 235 Nm | 102 Nm |
| Torque RPM | 3700 RPM | 3000 RPM |
| Engine Bore Size | 86 mm | 76 mm |
| Engine Stroke Size | 80 mm | 71.5 mm |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1536 kg | 965 kg |
| Vehicle Length | 4870 mm | 4270 mm |
| Vehicle Width | 1810 mm | 1660 mm |
| Vehicle Height | 1440 mm | 1370 mm |
| Wheelbase Size | 2800 mm | 2500 mm |
| Fuel Tank Capacity | 85 L | 50 L |
