2005 BMW 330 vs. 2006 Daihatsu Sirion
To start off, 2006 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 330. In addition, the cost of maintenance, including insurance, on 2005 BMW 330 would be higher. At 2,979 cc (6 cylinders), 2005 BMW 330 is equipped with a bigger engine. In terms of performance, 2005 BMW 330 (254 HP @ 6600 RPM) has 168 more horse power than 2006 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2005 BMW 330 should accelerate faster than 2006 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 330 weights approximately 785 kg more than 2006 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 2005 BMW 330 (300 Nm @ 2500 RPM) has 180 more torque (in Nm) than 2006 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2005 BMW 330 will have an easier job in driving up hills or pulling heavy equipment than 2006 Daihatsu Sirion.
Compare all specifications:
| 2005 BMW 330 | 2006 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 330 | Sirion |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2979 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 254 HP | 86 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 300 Nm | 120 Nm |
| Torque RPM | 2500 RPM | 3200 RPM |
| Engine Bore Size | 85 mm | 72.1 mm |
| Engine Stroke Size | 88 mm | 79.7 mm |
| Engine Compression Ratio | 10.7:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1525 kg | 740 kg |
| Vehicle Length | 4530 mm | 3400 mm |
| Vehicle Height | 1430 mm | 1250 mm |
| Wheelbase Size | 2770 mm | 2440 mm |
| Fuel Tank Capacity | 55 L | 40 L |
