1989 Citroen XM vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 20 year(s). Which means there will be less support and parts availability for 1989 Citroen XM. In addition, the cost of maintenance, including insurance, on 1989 Citroen XM would be higher. At 3,824 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (350 HP @ 6600 RPM) has 182 more horse power than 1989 Citroen XM. (168 HP @ 5600 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1989 Citroen XM.
Because 2009 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1989 Citroen XM. 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 165 more torque (in Nm) than 1989 Citroen XM. (235 Nm @ 4800 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM. 1989 Citroen XM has automatic transmission and 2009 Porsche 911 has manual transmission. 2009 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1989 Citroen XM will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1989 Citroen XM | 2009 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | XM | 911 |
| Year Released | 1989 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 2975 cc | 3824 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 168 HP | 350 HP |
| Engine RPM | 5600 RPM | 6600 RPM |
| Torque | 235 Nm | 400 Nm |
| Torque RPM | 4800 RPM | 4600 RPM |
| Engine Bore Size | 93 mm | 96 mm |
| Engine Stroke Size | 73 mm | 82.8 mm |
| Top Speed | 220 km/hour | 288 km/hour |
| Acceleration 0-100mph | 10.9 seconds | 4.9 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4720 mm | 4430 mm |
| Vehicle Width | 1800 mm | 1310 mm |
| Vehicle Height | 1400 mm | 1860 mm |
| Wheelbase Size | 2860 mm | 2360 mm |
| Fuel Tank Capacity | 80 L | 67 L |
