2005 BMW X5 vs. 1981 Fiat 131
To start off, 2005 BMW X5 is newer by 24 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 2,926 cc (6 cylinders), 2005 BMW X5 is equipped with a bigger engine. In terms of performance, 2005 BMW X5 (215 HP @ 4000 RPM) has 104 more horse power than 1981 Fiat 131. (111 HP @ 5600 RPM). In normal driving conditions, 2005 BMW X5 should accelerate faster than 1981 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW X5 weights approximately 1065 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.
Because 2005 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Fiat 131. In wet, icy, snow, or gravel driving conditions, 2005 BMW X5 will offer significantly more control. 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, 2005 BMW X5 (520 Nm @ 2000 RPM) has 353 more torque (in Nm) than 1981 Fiat 131. (167 Nm @ 3600 RPM). This means 2005 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1981 Fiat 131.
Compare all specifications:
| 2005 BMW X5 | 1981 Fiat 131 | |
| Make | BMW | Fiat |
| Model | X5 | 131 |
| Year Released | 2005 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2926 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 111 HP |
| Engine RPM | 4000 RPM | 5600 RPM |
| Torque | 520 Nm | 167 Nm |
| Torque RPM | 2000 RPM | 3600 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2170 kg | 1105 kg |
| Vehicle Length | 4670 mm | 4270 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1720 mm | 1400 mm |
| Wheelbase Size | 2830 mm | 2500 mm |
