2007 BMW 525 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2007 BMW 525. In addition, the cost of maintenance, including insurance, on 2007 BMW 525 would be higher. At 2,497 cc (6 cylinders), 2007 BMW 525 is equipped with a bigger engine. In terms of performance, 2007 BMW 525 (175 HP @ 4000 RPM) has 89 more horse power than 2008 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2007 BMW 525 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 525 weights approximately 720 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 525 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 BMW 525. However, in wet, icy, snow, or gravel driving conditions, 2008 Daihatsu Sirion, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 BMW 525 (400 Nm @ 2000 RPM) has 279 more torque (in Nm) than 2008 Daihatsu Sirion. (121 Nm @ 3200 RPM). This means 2007 BMW 525 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2008 Daihatsu Sirion has automatic transmission and 2007 BMW 525 has manual transmission. 2007 BMW 525 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW 525 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 525 | Sirion |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 86 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 400 Nm | 121 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 72 mm |
| Engine Stroke Size | 75.1 mm | 79.7 mm |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 230 km/hour | 180 km/hour |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1660 kg | 940 kg |
| Vehicle Length | 4850 mm | 3400 mm |
| Vehicle Height | 1470 mm | 1250 mm |
| Wheelbase Size | 2890 mm | 2440 mm |
| Fuel Consumption Overall | 6.8 L/100km | 6 L/100km |
| Fuel Tank Capacity | 70 L | 40 L |
