1991 Citroen BX vs. 1977 Fiat 133
To start off, 1991 Citroen BX is newer by 14 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 1,358 cc (4 cylinders), 1991 Citroen BX is equipped with a bigger engine. In terms of performance, 1991 Citroen BX (71 HP @ 5500 RPM) has 37 more horse power than 1977 Fiat 133. (34 HP @ 4800 RPM). In normal driving conditions, 1991 Citroen BX should accelerate faster than 1977 Fiat 133. With that said, vehicle weight also plays an important factor in acceleration. 1991 Citroen BX weights approximately 240 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 1977 Fiat 133 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1977 Fiat 133. However, in wet, icy, snow, or gravel driving conditions, 1991 Citroen BX, being front wheel drive (FWD), will offer much better control with better grip. 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, 1991 Citroen BX (110 Nm @ 3400 RPM) has 55 more torque (in Nm) than 1977 Fiat 133. (55 Nm @ 3200 RPM). This means 1991 Citroen BX will have an easier job in driving up hills or pulling heavy equipment than 1977 Fiat 133.
Compare all specifications:
| 1991 Citroen BX | 1977 Fiat 133 | |
| Make | Citroen | Fiat |
| Model | BX | 133 |
| Year Released | 1991 | 1977 |
| Engine Position | Front | Rear |
| Engine Size | 1358 cc | 843 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 71 HP | 34 HP |
| Engine RPM | 5500 RPM | 4800 RPM |
| Torque | 110 Nm | 55 Nm |
| Torque RPM | 3400 RPM | 3200 RPM |
| Engine Bore Size | 75 mm | 65 mm |
| Engine Stroke Size | 77 mm | 68 mm |
| Engine Compression Ratio | 10.2:1 | 7.9:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 930 kg | 690 kg |
| Vehicle Length | 4400 mm | 3460 mm |
| Vehicle Width | 1690 mm | 1430 mm |
| Vehicle Height | 1440 mm | 1330 mm |
| Wheelbase Size | 2660 mm | 2030 mm |
