1987 Citroen AX vs. 1978 Mercedes-Benz S
To start off, 1987 Citroen AX is newer by 9 year(s). Which means there will be less support and parts availability for 1978 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 1978 Mercedes-Benz S would be higher. At 2,746 cc (6 cylinders), 1978 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 1978 Mercedes-Benz S (157 HP @ 5500 RPM) has 113 more horse power than 1987 Citroen AX. (44 HP @ 6000 RPM) In normal driving conditions, 1978 Mercedes-Benz S should accelerate faster than 1987 Citroen AX. With that said, vehicle weight also plays an important factor in acceleration. 1978 Mercedes-Benz S weights approximately 888 kg more than 1987 Citroen AX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1978 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 1978 Mercedes-Benz S. However, in wet, icy, snow, or gravel driving conditions, 1987 Citroen AX, 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, 1978 Mercedes-Benz S (223 Nm @ 4000 RPM) has 150 more torque (in Nm) than 1987 Citroen AX. (73 Nm @ 3700 RPM). This means 1978 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 1987 Citroen AX.
Compare all specifications:
| 1987 Citroen AX | 1978 Mercedes-Benz S | |
| Make | Citroen | Mercedes-Benz |
| Model | AX | S |
| Year Released | 1987 | 1978 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 954 cc | 2746 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 44 HP | 157 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 73 Nm | 223 Nm |
| Torque RPM | 3700 RPM | 4000 RPM |
| Engine Bore Size | 70 mm | 86 mm |
| Engine Stroke Size | 62 mm | 78.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 722 kg | 1610 kg |
| Vehicle Length | 3540 mm | 4740 mm |
| Vehicle Width | 1560 mm | 1880 mm |
| Vehicle Height | 1350 mm | 1430 mm |
| Wheelbase Size | 2290 mm | 2870 mm |
| Fuel Tank Capacity | 80 L | 85 L |
