2005 Audi S4 vs. 1971 Citroen SM
To start off, 2005 Audi S4 is newer by 34 year(s). Which means there will be less support and parts availability for 1971 Citroen SM. In addition, the cost of maintenance, including insurance, on 1971 Citroen SM 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 (339 HP @ 7000 RPM) has 181 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM). In normal driving conditions, 2005 Audi S4 should accelerate faster than 1971 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi S4 weights approximately 345 kg more than 1971 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 1971 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2005 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, 2005 Audi S4 (410 Nm @ 3500 RPM) has 175 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 2005 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM.
Compare all specifications:
2005 Audi S4 | 1971 Citroen SM | |
Make | Audi | Citroen |
Model | S4 | SM |
Year Released | 2005 | 1971 |
Body Type | Station Wagon | Coupe |
Engine Position | Front | Front |
Engine Size | 4163 cc | 2670 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 5 valves | 2 valves |
Horse Power | 339 HP | 158 HP |
Engine RPM | 7000 RPM | 5500 RPM |
Torque | 410 Nm | 235 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Bore Size | 84.6 mm | 87 mm |
Engine Stroke Size | 92.8 mm | 75 mm |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | 4WD | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 5 doors | 2 doors |
Vehicle Weight | 1795 kg | 1450 kg |
Vehicle Length | 4580 mm | 4900 mm |
Vehicle Width | 1790 mm | 1850 mm |
Vehicle Height | 1450 mm | 1330 mm |
Wheelbase Size | 2660 mm | 2950 mm |
Fuel Tank Capacity | 66 L | 89 L |