1999 Audi A4 vs. 1974 Citroen SM
To start off, 1999 Audi A4 is newer by 25 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 2,670 cc (6 cylinders), 1974 Citroen SM is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 5700 RPM) has 78 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1974 Citroen SM weights approximately 150 kg more than 1999 Audi A4.
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, 1999 Audi A4 (320 Nm @ 1750 RPM) has 83 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
1999 Audi A4 | 1974 Citroen SM | |
Make | Audi | Citroen |
Model | A4 | SM |
Year Released | 1999 | 1974 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 1781 cc | 2670 cc |
Engine Cylinders | 4 cylinders | 6 cylinders |
Engine Type | in-line | V |
Horse Power | 248 HP | 170 HP |
Engine RPM | 5700 RPM | 5500 RPM |
Torque | 320 Nm | 237 Nm |
Torque RPM | 1750 RPM | 4000 RPM |
Engine Bore Size | 81 mm | 87.1 mm |
Engine Stroke Size | 86.4 mm | 75 mm |
Engine Compression Ratio | 9.5:1 | 9.0:1 |
Drive Type | Front | Front |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1300 kg | 1450 kg |
Vehicle Length | 4480 mm | 4900 mm |
Vehicle Width | 1740 mm | 1850 mm |
Vehicle Height | 1420 mm | 1330 mm |
Wheelbase Size | 2620 mm | 2960 mm |
Fuel Tank Capacity | 62 L | 25 L |