1989 Citroen XM vs. 1979 Simca 1100
To start off, 1989 Citroen XM is newer by 10 year(s). Which means there will be less support and parts availability for 1979 Simca 1100. In addition, the cost of maintenance, including insurance, on 1979 Simca 1100 would be higher. At 2,975 cc (6 cylinders), 1989 Citroen XM is equipped with a bigger engine. In terms of performance, 1989 Citroen XM (168 HP @ 5600 RPM) has 124 more horse power than 1979 Simca 1100. (44 HP @ 6000 RPM). In normal driving conditions, 1989 Citroen XM should accelerate faster than 1979 Simca 1100. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 540 kg more than 1979 Simca 1100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1989 Citroen XM (235 Nm @ 4800 RPM) has 169 more torque (in Nm) than 1979 Simca 1100. (66 Nm @ 4000 RPM). This means 1989 Citroen XM will have an easier job in driving up hills or pulling heavy equipment than 1979 Simca 1100.
Compare all specifications:
| 1989 Citroen XM | 1979 Simca 1100 | |
| Make | Citroen | Simca |
| Model | XM | 1100 |
| Year Released | 1989 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2975 cc | 944 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 168 HP | 44 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 235 Nm | 66 Nm |
| Torque RPM | 4800 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 68 mm |
| Engine Stroke Size | 73 mm | 65 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1420 kg | 880 kg |
| Vehicle Length | 4720 mm | 3950 mm |
| Vehicle Width | 1800 mm | 1590 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2860 mm | 2530 mm |
| Fuel Tank Capacity | 80 L | 42 L |
