1990 Citroen BX vs. 1971 Renault 15
To start off, 1990 Citroen BX is newer by 19 year(s). Which means there will be less support and parts availability for 1971 Renault 15. In addition, the cost of maintenance, including insurance, on 1971 Renault 15 would be higher. At 1,998 cc (4 cylinders), 1990 Citroen BX is equipped with a bigger engine. In terms of performance, 1990 Citroen BX (123 HP @ 5500 RPM) has 64 more horse power than 1971 Renault 15. (59 HP @ 5500 RPM). In normal driving conditions, 1990 Citroen BX should accelerate faster than 1971 Renault 15. With that said, vehicle weight also plays an important factor in acceleration. 1990 Citroen BX weights approximately 170 kg more than 1971 Renault 15. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1990 Citroen BX (173 Nm @ 4500 RPM) has 75 more torque (in Nm) than 1971 Renault 15. (98 Nm @ 3500 RPM). This means 1990 Citroen BX will have an easier job in driving up hills or pulling heavy equipment than 1971 Renault 15.
Compare all specifications:
| 1990 Citroen BX | 1971 Renault 15 | |
| Make | Citroen | Renault |
| Model | BX | 15 |
| Year Released | 1990 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 1289 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 59 HP |
| Engine RPM | 5500 RPM | 5500 RPM |
| Torque | 173 Nm | 98 Nm |
| Torque RPM | 4500 RPM | 3500 RPM |
| Engine Bore Size | 83 mm | 75 mm |
| Engine Stroke Size | 88 mm | 69 mm |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1135 kg | 965 kg |
| Vehicle Length | 4240 mm | 4270 mm |
| Vehicle Width | 1670 mm | 1640 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2660 mm | 2440 mm |
