2003 BMW X5 vs. 1979 Fiat 131
To start off, 2003 BMW X5 is newer by 24 year(s). Which means there will be less support and parts availability for 1979 Fiat 131. In addition, the cost of maintenance, including insurance, on 1979 Fiat 131 would be higher. At 2,983 cc (6 cylinders), 2003 BMW X5 is equipped with a bigger engine. In terms of performance, 2003 BMW X5 (215 HP @ 4000 RPM) has 144 more horse power than 1979 Fiat 131. (71 HP @ 4200 RPM). In normal driving conditions, 2003 BMW X5 should accelerate faster than 1979 Fiat 131. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X5 weights approximately 970 kg more than 1979 Fiat 131. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1979 Fiat 131. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 BMW X5 (500 Nm @ 2000 RPM) has 348 more torque (in Nm) than 1979 Fiat 131. (152 Nm @ 2400 RPM). This means 2003 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1979 Fiat 131.
Compare all specifications:
| 2003 BMW X5 | 1979 Fiat 131 | |
| Make | BMW | Fiat |
| Model | X5 | 131 |
| Year Released | 2003 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 2443 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 215 HP | 71 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 500 Nm | 152 Nm |
| Torque RPM | 2000 RPM | 2400 RPM |
| Engine Compression Ratio | 18.0:1 | 22.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 2180 kg | 1210 kg |
| Vehicle Length | 4670 mm | 4270 mm |
| Vehicle Width | 1880 mm | 1660 mm |
| Vehicle Height | 1720 mm | 1370 mm |
| Wheelbase Size | 2840 mm | 2500 mm |
