1991 Citroen ZX vs. 2004 Mercedes-Benz S
To start off, 2004 Mercedes-Benz S is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Citroen ZX. In addition, the cost of maintenance, including insurance, on 1991 Citroen ZX would be higher. At 5,441 cc (8 cylinders), 2004 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz S (494 HP @ 4200 RPM) has 364 more horse power than 1991 Citroen ZX. (130 HP @ 6000 RPM) In normal driving conditions, 2004 Mercedes-Benz S should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz S weights approximately 846 kg more than 1991 Citroen ZX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Mercedes-Benz S 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 2004 Mercedes-Benz S. 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, 2004 Mercedes-Benz S (700 Nm @ 2750 RPM) has 540 more torque (in Nm) than 1991 Citroen ZX. (160 Nm @ 4750 RPM). This means 2004 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 2004 Mercedes-Benz S | |
| Make | Citroen | Mercedes-Benz |
| Model | ZX | S |
| Year Released | 1991 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1905 cc | 5441 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 130 HP | 494 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 160 Nm | 700 Nm |
| Torque RPM | 4750 RPM | 2750 RPM |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 88 mm | 92 mm |
| Engine Compression Ratio | 9.6:1 | 9.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1104 kg | 1950 kg |
| Vehicle Length | 4090 mm | 5170 mm |
| Vehicle Width | 1710 mm | 1860 mm |
| Vehicle Height | 1410 mm | 1460 mm |
| Wheelbase Size | 2550 mm | 3090 mm |
