2004 BMW 630 vs. 1979 Citroen CX
To start off, 2004 BMW 630 is newer by 25 year(s). Which means there will be less support and parts availability for 1979 Citroen CX. In addition, the cost of maintenance, including insurance, on 1979 Citroen CX would be higher. At 2,983 cc (6 cylinders), 2004 BMW 630 is equipped with a bigger engine. In terms of performance, 2004 BMW 630 (254 HP @ 6600 RPM) has 153 more horse power than 1979 Citroen CX. (101 HP @ 5500 RPM). In normal driving conditions, 2004 BMW 630 should accelerate faster than 1979 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 630 weights approximately 511 kg more than 1979 Citroen CX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 BMW 630 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 BMW 630. However, in wet, icy, snow, or gravel driving conditions, 1979 Citroen CX, 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 BMW 630 (300 Nm @ 2500 RPM) has 139 more torque (in Nm) than 1979 Citroen CX. (161 Nm @ 3000 RPM). This means 2004 BMW 630 will have an easier job in driving up hills or pulling heavy equipment than 1979 Citroen CX.
Compare all specifications:
| 2004 BMW 630 | 1979 Citroen CX | |
| Make | BMW | Citroen |
| Model | 630 | CX |
| Year Released | 2004 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2983 cc | 1984 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 254 HP | 101 HP |
| Engine RPM | 6600 RPM | 5500 RPM |
| Torque | 300 Nm | 161 Nm |
| Torque RPM | 2500 RPM | 3000 RPM |
| Engine Bore Size | 85 mm | 83 mm |
| Engine Stroke Size | 88 mm | 88 mm |
| Engine Compression Ratio | 10.7:1 | 9.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1776 kg | 1265 kg |
| Vehicle Length | 4830 mm | 4670 mm |
| Vehicle Width | 1860 mm | 1770 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2730 mm | 2850 mm |
| Fuel Tank Capacity | 70 L | 68 L |
