2009 Audi A6 vs. 1974 Citroen SM
To start off, 2009 Audi A6 is newer by 35 year(s). Which means there will be less support and parts availability for 1974 Citroen SM. In addition, the cost of maintenance, including insurance, on 1974 Citroen SM would be higher. At 2,698 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (178 HP @ 3300 RPM) has 8 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM). In normal driving conditions, 2009 Audi A6 should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 290 kg more than 2009 Audi A6.
Because 2009 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1974 Citroen SM. In wet, icy, snow, or gravel driving conditions, 2009 Audi A6 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 A6 (380 Nm @ 1400 RPM) has 143 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
2009 Audi A6 | 1974 Citroen SM | |
Make | Audi | Citroen |
Model | A6 | SM |
Year Released | 2009 | 1974 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2698 cc | 2670 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 178 HP | 170 HP |
Engine RPM | 3300 RPM | 5500 RPM |
Torque | 380 Nm | 237 Nm |
Torque RPM | 1400 RPM | 4000 RPM |
Engine Bore Size | 83 mm | 87.1 mm |
Engine Stroke Size | 83.1 mm | 75 mm |
Engine Compression Ratio | 17.0:1 | 9.0:1 |
Fuel Type | Diesel | Gasoline |
Drive Type | 4WD | Front |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1160 kg | 1450 kg |
Vehicle Length | 4920 mm | 4900 mm |
Vehicle Width | 1860 mm | 1850 mm |
Vehicle Height | 1470 mm | 1330 mm |
Wheelbase Size | 2850 mm | 2960 mm |
Fuel Tank Capacity | 80 L | 25 L |