1972 BMW 520 vs. 2011 Daihatsu Sirion
To start off, 2011 Daihatsu Sirion is newer by 39 year(s). Which means there will be less support and parts availability for 1972 BMW 520. In addition, the cost of maintenance, including insurance, on 1972 BMW 520 would be higher. At 1,989 cc (4 cylinders), 1972 BMW 520 is equipped with a bigger engine. In terms of performance, 1972 BMW 520 (113 HP @ 5800 RPM) has 44 more horse power than 2011 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 1972 BMW 520 should accelerate faster than 2011 Daihatsu Sirion.
Because 2011 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1972 BMW 520. In wet, icy, snow, or gravel driving conditions, 2011 Daihatsu Sirion 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, 1972 BMW 520 (165 Nm @ 3700 RPM) has 71 more torque (in Nm) than 2011 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 1972 BMW 520 will have an easier job in driving up hills or pulling heavy equipment than 2011 Daihatsu Sirion.
Compare all specifications:
| 1972 BMW 520 | 2011 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 520 | Sirion |
| Year Released | 1972 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1989 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 113 HP | 69 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 165 Nm | 94 Nm |
| Torque RPM | 3700 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 71.1 mm |
| Engine Stroke Size | 80 mm | 84 mm |
| Engine Compression Ratio | 9.0:1 | 10.5:1 |
| Acceleration 0-100mph | 12.3 seconds | 13.9 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
