2007 Audi S4 vs. 1973 Citroen SM
To start off, 2007 Audi S4 is newer by 34 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 4,163 cc (8 cylinders), 2007 Audi S4 is equipped with a bigger engine. In terms of performance, 2007 Audi S4 (341 HP @ 7000 RPM) has 170 more horse power than 1973 Citroen SM. (171 HP @ 5500 RPM). In normal driving conditions, 2007 Audi S4 should accelerate faster than 1973 Citroen SM.
Let's talk about torque, 2007 Audi S4 (410 Nm @ 3500 RPM) has 173 more torque (in Nm) than 1973 Citroen SM. (237 Nm @ 4000 RPM). This means 2007 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 1973 Citroen SM.
Compare all specifications:
2007 Audi S4 | 1973 Citroen SM | |
Make | Audi | Citroen |
Model | S4 | SM |
Year Released | 2007 | 1973 |
Body Type | Sedan | 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 | 341 HP | 171 HP |
Engine RPM | 7000 RPM | 5500 RPM |
Torque | 410 Nm | 237 Nm |
Torque RPM | 3500 RPM | 4000 RPM |
Engine Bore Size | 84.6 mm | 87 mm |
Engine Stroke Size | 92.7 mm | 75 mm |
Engine Compression Ratio | 11.0:1 | 9.0:1 |
Fuel Type | Gasoline | Gasoline |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Length | 4590 mm | 4900 mm |
Vehicle Width | 1730 mm | 1850 mm |
Vehicle Height | 1430 mm | 1330 mm |
Wheelbase Size | 2650 mm | 2960 mm |
Fuel Tank Capacity | 63 L | 25 L |