2007 BMW 525 vs. 1981 Fiat 131
To start off, 2007 BMW 525 is newer by 26 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 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (215 HP @ 6500 RPM) has 144 more horse power than 1981 Fiat 131. (71 HP @ 5800 RPM). In normal driving conditions, 2007 BMW 525 should accelerate faster than 1981 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 440 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, 2007 BMW 525 (250 Nm @ 2900 RPM) has 140 more torque (in Nm) than 1981 Fiat 131. (110 Nm @ 3800 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 131. 2007 BMW 525 has automatic transmission and 1981 Fiat 131 has manual transmission. 1981 Fiat 131 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 BMW 525 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 525 | 1981 Fiat 131 | |
| Make | BMW | Fiat |
| Model | 525 | 131 |
| Year Released | 2007 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1367 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 71 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 250 Nm | 110 Nm |
| Torque RPM | 2900 RPM | 3800 RPM |
| Engine Compression Ratio | 11.0:1 | 7.4:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Vehicle Weight | 1500 kg | 1060 kg |
| Vehicle Length | 4850 mm | 4270 mm |
| Vehicle Width | 1470 mm | 1660 mm |
| Vehicle Height | 1850 mm | 1390 mm |
| Wheelbase Size | 2890 mm | 2500 mm |
