1981 Citroen CX vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 28 year(s). Which means there will be less support and parts availability for 1981 Citroen CX. In addition, the cost of maintenance, including insurance, on 1981 Citroen CX would be higher. At 3,823 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 245 more horse power than 1981 Citroen CX. (105 HP @ 5500 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1981 Citroen CX. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 310 kg more than 1981 Citroen CX. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1981 Citroen CX. In wet, icy, snow, or gravel driving conditions, 2009 Porsche 911 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 Porsche 911 (400 Nm @ 4600 RPM) has 248 more torque (in Nm) than 1981 Citroen CX. (152 Nm @ 3250 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1981 Citroen CX. 2009 Porsche 911 has automatic transmission and 1981 Citroen CX has manual transmission. 1981 Citroen CX will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Porsche 911 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 Citroen CX | 2009 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | CX | 911 |
| Year Released | 1981 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 1995 cc | 3823 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 105 HP | 350 HP |
| Engine RPM | 5500 RPM | 6600 RPM |
| Torque | 152 Nm | 400 Nm |
| Torque RPM | 3250 RPM | 4600 RPM |
| Engine Bore Size | 86 mm | 96 mm |
| Engine Stroke Size | 85.5 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 175 km/hour | 280 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1225 kg | 1535 kg |
| Vehicle Length | 4670 mm | 4430 mm |
| Vehicle Width | 1770 mm | 1310 mm |
| Vehicle Height | 1370 mm | 1860 mm |
| Wheelbase Size | 2750 mm | 2360 mm |
| Fuel Consumption Overall | 5.2 L/100km | 11.9 L/100km |
| Fuel Tank Capacity | 80 L | 67 L |
