1991 Citroen ZX vs. 1971 Humber Sceptre
To start off, 1991 Citroen ZX is newer by 20 year(s). Which means there will be less support and parts availability for 1971 Humber Sceptre. In addition, the cost of maintenance, including insurance, on 1971 Humber Sceptre would be higher. At 1,905 cc (4 cylinders), 1991 Citroen ZX is equipped with a bigger engine. In terms of performance, 1991 Citroen ZX (130 HP @ 6000 RPM) has 48 more horse power than 1971 Humber Sceptre. (82 HP @ 5200 RPM). In normal driving conditions, 1991 Citroen ZX should accelerate faster than 1971 Humber Sceptre. With that said, vehicle weight also plays an important factor in acceleration. 1991 Citroen ZX weights approximately 112 kg more than 1971 Humber Sceptre. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1971 Humber Sceptre 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 1971 Humber Sceptre. However, in wet, icy, snow, or gravel driving conditions, 1991 Citroen ZX, 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 ZX (160 Nm @ 4750 RPM) has 37 more torque (in Nm) than 1971 Humber Sceptre. (123 Nm @ 3600 RPM). This means 1991 Citroen ZX will have an easier job in driving up hills or pulling heavy equipment than 1971 Humber Sceptre.
Compare all specifications:
| 1991 Citroen ZX | 1971 Humber Sceptre | |
| Make | Citroen | Humber |
| Model | ZX | Sceptre |
| Year Released | 1991 | 1971 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 1725 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 130 HP | 82 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 160 Nm | 123 Nm |
| Torque RPM | 4750 RPM | 3600 RPM |
| Engine Bore Size | 83 mm | 81.5 mm |
| Engine Stroke Size | 88 mm | 82.6 mm |
| Engine Compression Ratio | 9.6:1 | 9.2:1 |
| Drive Type | Front | Rear |
| Vehicle Weight | 1104 kg | 992 kg |
| Vehicle Length | 4090 mm | 4320 mm |
| Vehicle Width | 1710 mm | 1620 mm |
| Vehicle Height | 1410 mm | 1430 mm |
| Wheelbase Size | 2550 mm | 2510 mm |
