2006 BMW 645 vs. 2012 Daihatsu Sirion
To start off, 2012 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 259 more horse power than 2012 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2012 Daihatsu Sirion.
Because 2012 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2006 BMW 645. In wet, icy, snow, or gravel driving conditions, 2012 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 356 more torque (in Nm) than 2012 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2012 Daihatsu Sirion.
Compare all specifications:
2006 BMW 645 | 2012 Daihatsu Sirion | |
Make | BMW | Daihatsu |
Model | 645 | Sirion |
Year Released | 2006 | 2012 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 4398 cc | 998 cc |
Engine Cylinders | 8 cylinders | 3 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 328 HP | 69 HP |
Engine RPM | 6100 RPM | 6000 RPM |
Torque | 450 Nm | 94 Nm |
Torque RPM | 3600 RPM | 3600 RPM |
Engine Bore Size | 92 mm | 71.1 mm |
Engine Stroke Size | 83 mm | 84 mm |
Engine Compression Ratio | 10.0:1 | 10.5:1 |
Fuel Type | Gasoline | Gasoline - Premium |
Acceleration 0-100mph | 6.1 seconds | 13.9 seconds |
Drive Type | Rear | 4WD |
Transmission Type | Manual | Manual |
Number of Seats | 4 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |