2009 Audi Q7 vs. 1989 Citroen XM
To start off, 2009 Audi Q7 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 5,934 cc (12 cylinders), 2009 Audi Q7 is equipped with a bigger engine. In terms of performance, 2009 Audi Q7 (494 HP @ 3750 RPM) has 326 more horse power than 1989 Citroen XM. (168 HP @ 5600 RPM). In normal driving conditions, 2009 Audi Q7 should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi Q7 weights approximately 1185 kg more than 1989 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi Q7 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 Audi Q7 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 Audi Q7 (1,000 Nm @ 1750 RPM) has 765 more torque (in Nm) than 1989 Citroen XM. (235 Nm @ 4800 RPM). This means 2009 Audi Q7 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM.
Compare all specifications:
| 2009 Audi Q7 | 1989 Citroen XM | |
| Make | Audi | Citroen |
| Model | Q7 | XM |
| Year Released | 2009 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 5934 cc | 2975 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 494 HP | 168 HP |
| Engine RPM | 3750 RPM | 5600 RPM |
| Torque | 1000 Nm | 235 Nm |
| Torque RPM | 1750 RPM | 4800 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 91.4 mm | 73 mm |
| Engine Compression Ratio | 16.0:1 | 9.5:1 |
| Top Speed | 250 km/hour | 220 km/hour |
| Acceleration 0-100mph | 5.5 seconds | 10.9 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 2605 kg | 1420 kg |
| Vehicle Length | 5070 mm | 4720 mm |
| Vehicle Width | 2010 mm | 1800 mm |
| Vehicle Height | 1700 mm | 1400 mm |
| Wheelbase Size | 3010 mm | 2860 mm |
| Fuel Tank Capacity | 100 L | 80 L |
