1991 Citroen ZX vs. 2005 Mercedes-Benz SL
To start off, 2005 Mercedes-Benz SL is newer by 14 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 3,722 cc (6 cylinders), 2005 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2005 Mercedes-Benz SL (247 HP @ 5700 RPM) has 176 more horse power than 1991 Citroen ZX. (71 HP @ 4600 RPM) In normal driving conditions, 2005 Mercedes-Benz SL should accelerate faster than 1991 Citroen ZX. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz SL weights approximately 720 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 2005 Mercedes-Benz SL 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 2005 Mercedes-Benz SL. 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, 2005 Mercedes-Benz SL (350 Nm @ 3000 RPM) has 228 more torque (in Nm) than 1991 Citroen ZX. (122 Nm @ 2000 RPM). This means 2005 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 1991 Citroen ZX.
Compare all specifications:
| 1991 Citroen ZX | 2005 Mercedes-Benz SL | |
| Make | Citroen | Mercedes-Benz |
| Model | ZX | SL |
| Year Released | 1991 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3722 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 71 HP | 247 HP |
| Engine RPM | 4600 RPM | 5700 RPM |
| Torque | 122 Nm | 350 Nm |
| Torque RPM | 2000 RPM | 3000 RPM |
| Engine Bore Size | 83.1 mm | 97 mm |
| Engine Stroke Size | 88 mm | 84 mm |
| Engine Compression Ratio | 23.0:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1035 kg | 1755 kg |
| Vehicle Length | 4070 mm | 4540 mm |
| Vehicle Width | 1710 mm | 1820 mm |
| Vehicle Height | 1410 mm | 1300 mm |
| Wheelbase Size | 2550 mm | 2570 mm |
