2007 Audi S4 vs. 1989 Citroen XM
To start off, 2007 Audi S4 is newer by 18 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (340 HP @ 7000 RPM) has 210 more horse power than 1989 Citroen XM. (130 HP @ 5600 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1989 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 1989 Citroen XM weights approximately 35 kg more than 2007 Audi S4.
Because 2007 Audi S4 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, 2007 Audi S4 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, 2007 Audi S4 (411 Nm @ 3500 RPM) has 234 more torque (in Nm) than 1989 Citroen XM. (177 Nm @ 4800 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1989 Citroen XM.
Compare all specifications:
| 2007 Audi S4 | 1989 Citroen XM | |
| Make | Audi | Citroen |
| Model | S4 | XM |
| Year Released | 2007 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 340 HP | 130 HP |
| Engine RPM | 7000 RPM | 5600 RPM |
| Torque | 411 Nm | 177 Nm |
| Torque RPM | 3500 RPM | 4800 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Top Speed | 250 km/hour | 193 km/hour |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1310 kg |
| Vehicle Length | 4580 mm | 4720 mm |
| Vehicle Width | 1790 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1400 mm |
| Wheelbase Size | 2660 mm | 2860 mm |
