2004 BMW 545 vs. 1981 Fiat 131
To start off, 2004 BMW 545 is newer by 23 year(s). Which means there will be less support and parts availability for 1981 Fiat 131. In addition, the cost of maintenance, including insurance, on 1981 Fiat 131 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 545 is equipped with a bigger engine. In terms of performance, 2004 BMW 545 (315 HP @ 7750 RPM) has 245 more horse power than 1981 Fiat 131. (70 HP @ 5500 RPM). In normal driving conditions, 2004 BMW 545 should accelerate faster than 1981 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 545 weights approximately 755 kg more than 1981 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, 2004 BMW 545 (447 Nm) has 339 more torque (in Nm) than 1981 Fiat 131. (108 Nm). This means 2004 BMW 545 will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 131.
Compare all specifications:
| 2004 BMW 545 | 1981 Fiat 131 | |
| Make | BMW | Fiat |
| Model | 545 | 131 |
| Year Released | 2004 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1367 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 315 HP | 70 HP |
| Engine RPM | 7750 RPM | 5500 RPM |
| Torque | 447 Nm | 108 Nm |
| Drive Type | Rear | Rear |
| Vehicle Weight | 1780 kg | 1025 kg |
| Vehicle Length | 4850 mm | 4270 mm |
| Vehicle Width | 1850 mm | 1660 mm |
| Vehicle Height | 1480 mm | 1390 mm |
| Wheelbase Size | 2830 mm | 2500 mm |
