2003 BMW X3 vs. 1977 Fiat 133
To start off, 2003 BMW X3 is newer by 26 year(s). Which means there will be less support and parts availability for 1977 Fiat 133. In addition, the cost of maintenance, including insurance, on 1977 Fiat 133 would be higher. At 2,995 cc (6 cylinders), 2003 BMW X3 is equipped with a bigger engine. In terms of performance, 2003 BMW X3 (201 HP @ 4000 RPM) has 167 more horse power than 1977 Fiat 133. (34 HP @ 4800 RPM). In normal driving conditions, 2003 BMW X3 should accelerate faster than 1977 Fiat 133. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW X3 weights approximately 1240 kg more than 1977 Fiat 133. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW X3 is four wheel drive (4WD), it will have significant more traction and grip than 1977 Fiat 133. In wet, icy, snow, or gravel driving conditions, 2003 BMW X3 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 X3 (410 Nm @ 1500 RPM) has 355 more torque (in Nm) than 1977 Fiat 133. (55 Nm @ 3200 RPM). This means 2003 BMW X3 will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat 133.
Compare all specifications:
| 2003 BMW X3 | 1977 Fiat 133 | |
| Make | BMW | Fiat |
| Model | X3 | 133 |
| Year Released | 2003 | 1977 |
| Engine Position | Front | Rear |
| Engine Size | 2995 cc | 843 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 201 HP | 34 HP |
| Engine RPM | 4000 RPM | 4800 RPM |
| Torque | 410 Nm | 55 Nm |
| Torque RPM | 1500 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 65 mm |
| Engine Stroke Size | 90 mm | 68 mm |
| Engine Compression Ratio | 17.0:1 | 7.9:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1930 kg | 690 kg |
| Vehicle Length | 4570 mm | 3460 mm |
| Vehicle Width | 1860 mm | 1430 mm |
| Vehicle Height | 1680 mm | 1330 mm |
| Wheelbase Size | 2730 mm | 2030 mm |
