2005 Audi S4 vs. 1994 Citroen XM
To start off, 2005 Audi S4 is newer by 11 year(s). Which means there will be less support and parts availability for 1994 Citroen XM. In addition, the cost of maintenance, including insurance, on 1994 Citroen XM would be higher. At 4,163 cc (8 cylinders), 2005 Audi S4 is equipped with a bigger engine. In terms of performance, 2005 Audi S4 (340 HP @ 4000 RPM) has 205 more horse power than 1994 Citroen XM. (135 HP @ 5500 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1994 Citroen XM. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 375 kg more than 1994 Citroen XM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 Audi S4 (410 Nm) has 230 more torque (in Nm) than 1994 Citroen XM. (180 Nm). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1994 Citroen XM.
Compare all specifications:
| 2005 Audi S4 | 1994 Citroen XM | |
| Make | Audi | Citroen |
| Model | S4 | XM |
| Year Released | 2005 | 1994 |
| 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 | 135 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 410 Nm | 180 Nm |
| Engine Bore Size | 85 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1770 kg | 1395 kg |
| Vehicle Length | 4550 mm | 4720 mm |
| Vehicle Width | 1770 mm | 1800 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2770 mm | 2860 mm |
| Fuel Tank Capacity | 66 L | 68 L |
