1989 Citroen XM vs. 1979 ZIL 4104
To start off, 1989 Citroen XM is newer by 10 year(s). Which means there will be less support and parts availability for 1979 ZIL 4104. In addition, the cost of maintenance, including insurance, on 1979 ZIL 4104 would be higher. At 7,695 cc (8 cylinders), 1979 ZIL 4104 is equipped with a bigger engine. In terms of performance, 1979 ZIL 4104 (311 HP @ 4600 RPM) has 143 more horse power than 1989 Citroen XM. (168 HP @ 5600 RPM) In normal driving conditions, 1979 ZIL 4104 should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 1979 ZIL 4104 weights approximately 1915 kg more than 1989 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 ZIL 4104 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 1979 ZIL 4104. However, in wet, icy, snow, or gravel driving conditions, 1989 Citroen XM, 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, 1979 ZIL 4104 (608 Nm @ 4000 RPM) has 373 more torque (in Nm) than 1989 Citroen XM. (235 Nm @ 4800 RPM). This means 1979 ZIL 4104 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM.
Compare all specifications:
| 1989 Citroen XM | 1979 ZIL 4104 | |
| Make | Citroen | ZIL |
| Model | XM | 4104 |
| Year Released | 1989 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 7695 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 168 HP | 311 HP |
| Engine RPM | 5600 RPM | 4600 RPM |
| Torque | 235 Nm | 608 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 108 mm |
| Engine Stroke Size | 73 mm | 105 mm |
| Engine Compression Ratio | 9.5:1 | 9.3:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Vehicle Weight | 1420 kg | 3335 kg |
| Vehicle Length | 4720 mm | 5750 mm |
| Vehicle Width | 1800 mm | 2090 mm |
| Vehicle Height | 1400 mm | 1510 mm |
| Wheelbase Size | 2860 mm | 3340 mm |
