2007 BMW 325 vs. 2003 Daihatsu Sirion
To start off, 2007 BMW 325 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2003 Daihatsu Sirion would be higher. At 2,497 cc (6 cylinders), 2007 BMW 325 is equipped with a bigger engine. In terms of performance, 2007 BMW 325 (215 HP @ 6500 RPM) has 143 more horse power than 2003 Daihatsu Sirion. (72 HP @ 5200 RPM). In normal driving conditions, 2007 BMW 325 should accelerate faster than 2003 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 325 weights approximately 643 kg more than 2003 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 BMW 325 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 325. However, in wet, icy, snow, or gravel driving conditions, 2003 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 325 (250 Nm @ 2750 RPM) has 149 more torque (in Nm) than 2003 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2007 BMW 325 will have an easier job in driving up hills or pulling heavy equipment than 2003 Daihatsu Sirion.
Compare all specifications:
| 2007 BMW 325 | 2003 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 325 | Sirion |
| Year Released | 2007 | 2003 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 215 HP | 72 HP |
| Engine RPM | 6500 RPM | 5200 RPM |
| Torque | 250 Nm | 101 Nm |
| Torque RPM | 2750 RPM | 3600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1495 kg | 852 kg |
| Vehicle Length | 4530 mm | 3680 mm |
| Vehicle Width | 1790 mm | 1600 mm |
| Vehicle Height | 1400 mm | 1460 mm |
| Wheelbase Size | 2770 mm | 2350 mm |
