2009 Acura RDX vs. 1979 Citroen CX
To start off, 2009 Acura RDX is newer by 30 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 2,297 cc (4 cylinders), 2009 Acura RDX is equipped with a bigger engine. In terms of performance, 2009 Acura RDX (237 HP @ 6000 RPM) has 131 more horse power than 1979 Citroen CX. (106 HP @ 5500 RPM). In normal driving conditions, 2009 Acura RDX should accelerate faster than 1979 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Acura RDX weights approximately 559 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 2009 Acura RDX is four wheel drive (4WD), it will have significant more traction and grip than 1979 Citroen CX. In wet, icy, snow, or gravel driving conditions, 2009 Acura RDX will offer significantly more control. 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, 2009 Acura RDX (260 Nm @ 4500 RPM) has 101 more torque (in Nm) than 1979 Citroen CX. (159 Nm @ 3250 RPM). This means 2009 Acura RDX will have an easier job in driving up hills or pulling heavy equipment than 1979 Citroen CX. 2009 Acura RDX has automatic transmission and 1979 Citroen CX has manual transmission. 1979 Citroen CX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Acura RDX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Acura RDX | 1979 Citroen CX | |
| Make | Acura | Citroen |
| Model | RDX | CX |
| Year Released | 2009 | 1979 |
| Engine Position | Front | Front |
| Engine Size | 2297 cc | 1995 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 237 HP | 106 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 260 Nm | 159 Nm |
| Torque RPM | 4500 RPM | 3250 RPM |
| Engine Compression Ratio | 8.8:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1784 kg | 1225 kg |
| Vehicle Length | 4600 mm | 4670 mm |
| Vehicle Width | 1880 mm | 1770 mm |
| Vehicle Height | 1660 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2750 mm |
| Fuel Consumption Overall | 12.4 L/100km | 5.2 L/100km |
| Fuel Tank Capacity | 68 L | 80 L |
