1974 Citroen CX vs. 2007 Kia Opirus
To start off, 2007 Kia Opirus is newer by 33 year(s). Which means there will be less support and parts availability for 1974 Citroen CX. In addition, the cost of maintenance, including insurance, on 1974 Citroen CX would be higher. At 3,495 cc (6 cylinders), 2007 Kia Opirus is equipped with a bigger engine. In terms of performance, 2007 Kia Opirus (200 HP @ 5500 RPM) has 62 more horse power than 1974 Citroen CX. (138 HP @ 5000 RPM) In normal driving conditions, 2007 Kia Opirus should accelerate faster than 1974 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Opirus weights approximately 447 kg more than 1974 Citroen CX. 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, 2007 Kia Opirus (298 Nm @ 3500 RPM) has 92 more torque (in Nm) than 1974 Citroen CX. (206 Nm @ 4000 RPM). This means 2007 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen CX.
Compare all specifications:
| 1974 Citroen CX | 2007 Kia Opirus | |
| Make | Citroen | Kia |
| Model | CX | Opirus |
| Year Released | 1974 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 2500 cc | 3495 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 138 HP | 200 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 206 Nm | 298 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 93 mm |
| Engine Stroke Size | 92 mm | 85.8 mm |
| Engine Compression Ratio | 8.7:1 | 10.0:1 |
| Top Speed | 195 km/hour | 220 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1450 kg | 1897 kg |
| Vehicle Length | 4910 mm | 4990 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1390 mm | 1490 mm |
| Wheelbase Size | 3100 mm | 2810 mm |
