1971 BMW Touring vs. 2011 Daihatsu Sirion
To start off, 2011 Daihatsu Sirion is newer by 40 year(s). Which means there will be less support and parts availability for 1971 BMW Touring. In addition, the cost of maintenance, including insurance, on 1971 BMW Touring would be higher. At 1,573 cc (4 cylinders), 1971 BMW Touring is equipped with a bigger engine. In terms of performance, 1971 BMW Touring (85 HP @ 5700 RPM) has 16 more horse power than 2011 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 1971 BMW Touring should accelerate faster than 2011 Daihatsu Sirion.
Let's talk about torque, 1971 BMW Touring (130 Nm @ 3500 RPM) has 36 more torque (in Nm) than 2011 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 1971 BMW Touring will have an easier job in driving up hills or pulling heavy equipment than 2011 Daihatsu Sirion.
Compare all specifications:
| 1971 BMW Touring | 2011 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | Touring | Sirion |
| Year Released | 1971 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 85 HP | 69 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 130 Nm | 94 Nm |
| Torque RPM | 3500 RPM | 3600 RPM |
| Engine Bore Size | 84.1 mm | 71.1 mm |
| Engine Stroke Size | 71 mm | 84 mm |
| Engine Compression Ratio | 8.6:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
