1990 Citroen XM vs. 2009 Porsche 911
To start off, 2009 Porsche 911 is newer by 19 year(s). Which means there will be less support and parts availability for 1990 Citroen XM. In addition, the cost of maintenance, including insurance, on 1990 Citroen XM would be higher. At 3,596 cc (6 cylinders), 2009 Porsche 911 is equipped with a bigger engine. In terms of performance, 2009 Porsche 911 (317 HP @ 4250 RPM) has 202 more horse power than 1990 Citroen XM. (115 HP @ 5750 RPM) In normal driving conditions, 2009 Porsche 911 should accelerate faster than 1990 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2009 Porsche 911 weights approximately 170 kg more than 1990 Citroen XM. 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 1990 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 (370 Nm @ 4250 RPM) has 196 more torque (in Nm) than 1990 Citroen XM. (174 Nm @ 4250 RPM). This means 2009 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1990 Citroen XM. 2009 Porsche 911 has automatic transmission and 1990 Citroen XM has manual transmission. 1990 Citroen XM 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:
| 1990 Citroen XM | 2009 Porsche 911 | |
| Make | Citroen | Porsche |
| Model | XM | 911 |
| Year Released | 1990 | 2009 |
| Engine Position | Front | Rear |
| Engine Size | 1996 cc | 3596 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 115 HP | 317 HP |
| Engine RPM | 5750 RPM | 4250 RPM |
| Torque | 174 Nm | 370 Nm |
| Torque RPM | 4250 RPM | 4250 RPM |
| Engine Bore Size | 86 mm | 96 mm |
| Engine Stroke Size | 86 mm | 82.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 193 km/hour | 285 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1280 kg | 1450 kg |
| Vehicle Length | 4720 mm | 4440 mm |
| Vehicle Width | 1800 mm | 1780 mm |
| Vehicle Height | 1400 mm | 1310 mm |
| Wheelbase Size | 2760 mm | 2360 mm |
| Fuel Consumption Overall | 11.9 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 66 L | 64 L |
