1974 Citroen SM vs. 2002 Audi A6
To start off, 2002 Audi A6 is newer by 28 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 2,671 cc (6 cylinders), 2002 Audi A6 is equipped with a bigger engine. In terms of performance, 2002 Audi A6 (247 HP @ 5800 RPM) has 77 more horse power than 1974 Citroen SM. (170 HP @ 5500 RPM) In normal driving conditions, 2002 Audi A6 should accelerate faster than 1974 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2002 Audi A6 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 2002 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, 2002 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, 2002 Audi A6 (350 Nm @ 1800 RPM) has 113 more torque (in Nm) than 1974 Citroen SM. (237 Nm @ 4000 RPM). This means 2002 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1974 Citroen SM.
Compare all specifications:
| 1974 Citroen SM | 2002 Audi A6 | |
| Make | Citroen | Audi |
| Model | SM | A6 |
| Year Released | 1974 | 2002 |
| Body Type | Coupe | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2670 cc | 2671 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 5 valves |
| Horse Power | 170 HP | 247 HP |
| Engine RPM | 5500 RPM | 5800 RPM |
| Torque | 237 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 1800 RPM |
| Engine Compression Ratio | 9.0:1 | 9.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | 4WD |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1450 kg | 1750 kg |
| Vehicle Length | 4900 mm | 4800 mm |
| Vehicle Width | 1850 mm | 1820 mm |
| Vehicle Height | 1330 mm | 1460 mm |
| Wheelbase Size | 2960 mm | 2850 mm |
| Fuel Tank Capacity | 25 L | 70 L |
