2009 BMW 328 vs. 1971 Citroen SM
To start off, 2009 BMW 328 is newer by 38 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 2,996 cc (6 cylinders), 2009 BMW 328 is equipped with a bigger engine. In terms of performance, 2009 BMW 328 (230 HP @ 6500 RPM) has 72 more horse power than 1971 Citroen SM. (158 HP @ 5500 RPM). In normal driving conditions, 2009 BMW 328 should accelerate faster than 1971 Citroen SM. With that said, vehicle weight also plays an important factor in acceleration. 2009 BMW 328 weights approximately 75 kg more than 1971 Citroen SM. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 BMW 328 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, 2009 BMW 328 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, 2009 BMW 328 (271 Nm @ 2750 RPM) has 36 more torque (in Nm) than 1971 Citroen SM. (235 Nm @ 4000 RPM). This means 2009 BMW 328 will have an easier job in driving up hills or pulling heavy equipment than 1971 Citroen SM.
Compare all specifications:
| 2009 BMW 328 | 1971 Citroen SM | |
| Make | BMW | Citroen |
| Model | 328 | SM |
| Year Released | 2009 | 1971 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2996 cc | 2670 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 230 HP | 158 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 271 Nm | 235 Nm |
| Torque RPM | 2750 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 87 mm |
| Engine Stroke Size | 90 mm | 75 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1525 kg | 1450 kg |
| Vehicle Length | 4540 mm | 4900 mm |
| Vehicle Width | 1820 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2770 mm | 2950 mm |
| Fuel Tank Capacity | 61 L | 89 L |
