2009 Audi A4 vs. 1973 Citroen SM
To start off, 2009 Audi A4 is newer by 36 year(s). Which means there will be less support and parts availability for 1973 Citroen SM. In addition, the cost of maintenance, including insurance, on 1973 Citroen SM would be higher. At 2,670 cc (6 cylinders), 1973 Citroen SM is equipped with a bigger engine. In terms of performance, 1973 Citroen SM (171 HP @ 5500 RPM) has 23 more horse power than 2009 Audi A4. (148 HP @ 6000 RPM) In normal driving conditions, 1973 Citroen SM should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1973 Citroen SM weights approximately 100 kg more than 2009 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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, 1973 Citroen SM (237 Nm @ 4000 RPM) has 37 more torque (in Nm) than 2009 Audi A4. (200 Nm @ 3500 RPM). This means 1973 Citroen SM will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4.
Compare all specifications:
2009 Audi A4 | 1973 Citroen SM | |
Make | Audi | Citroen |
Model | A4 | SM |
Year Released | 2009 | 1973 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 1984 cc | 2670 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 148 HP | 171 HP |
Engine RPM | 6000 RPM | 5500 RPM |
Torque | 200 Nm | 237 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Compression Ratio | 11.5:1 | 9.0:1 |
Fuel Type | Gasoline - Premium | Gasoline |
Drive Type | Front | Front |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1350 kg | 1450 kg |
Vehicle Length | 4550 mm | 4900 mm |
Vehicle Width | 1780 mm | 1850 mm |
Vehicle Height | 1430 mm | 1330 mm |
Wheelbase Size | 2660 mm | 2960 mm |
Fuel Tank Capacity | 70 L | 25 L |