2007 Audi A4 vs. 1971 Citroen SM
To start off, 2007 Audi A4 is newer by 36 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 2,967 cc (6 cylinders), 2007 Audi A4 is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (222 HP @ 4000 RPM) has 64 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 1971 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1971 Citroen SM weights approximately 175 kg more than 2007 Audi A4.
Because 2007 Audi A4 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, 2007 Audi A4 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, 2007 Audi A4 (450 Nm @ 1400 RPM) has 215 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM.
Compare all specifications:
2007 Audi A4 | 1971 Citroen SM | |
Make | Audi | Citroen |
Model | A4 | SM |
Year Released | 2007 | 1971 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 2967 cc | 2670 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 222 HP | 158 HP |
Engine RPM | 4000 RPM | 5500 RPM |
Torque | 450 Nm | 235 Nm |
Torque RPM | 1400 RPM | 4000 RPM |
Engine Bore Size | 83 mm | 87 mm |
Engine Stroke Size | 91.4 mm | 75 mm |
Fuel Type | Diesel | Gasoline |
Drive Type | 4WD | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 4 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1275 kg | 1450 kg |
Vehicle Length | 4590 mm | 4900 mm |
Vehicle Width | 1780 mm | 1850 mm |
Vehicle Height | 1430 mm | 1330 mm |
Wheelbase Size | 2660 mm | 2950 mm |
Fuel Tank Capacity | 70 L | 89 L |