1999 Audi S8 vs. 1974 Citroen SM
To start off, 1999 Audi S8 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 4,170 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (247 HP @ 7000 RPM) has 77 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 300 kg more than 1974 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1974 Citroen SM. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 1999 Audi S8 (330 Nm @ 3400 RPM) has 93 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
1999 Audi S8 | 1974 Citroen SM | |
Make | Audi | Citroen |
Model | S8 | SM |
Year Released | 1999 | 1974 |
Body Type | Sedan | Coupe |
Engine Position | Front | Front |
Engine Size | 4170 cc | 2670 cc |
Engine Cylinders | 8 cylinders | 6 cylinders |
Engine Type | V | V |
Valves per Cylinder | 4 valves | 2 valves |
Horse Power | 247 HP | 170 HP |
Engine RPM | 7000 RPM | 5500 RPM |
Torque | 330 Nm | 237 Nm |
Torque RPM | 3400 RPM | 4000 RPM |
Engine Bore Size | 84.5 mm | 87.1 mm |
Engine Stroke Size | 93 mm | 75 mm |
Engine Compression Ratio | 11.0:1 | 9.0:1 |
Drive Type | AWD | Front |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1750 kg | 1450 kg |
Vehicle Length | 5040 mm | 4900 mm |
Vehicle Width | 1890 mm | 1850 mm |
Vehicle Height | 1420 mm | 1330 mm |
Wheelbase Size | 2890 mm | 2960 mm |
Fuel Tank Capacity | 90 L | 25 L |