2003 Daihatsu Sirion vs. 2002 BMW X5
To start off, 2003 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2002 BMW X5. In addition, the cost of maintenance, including insurance, on 2002 BMW X5 would be higher. At 4,619 cc (8 cylinders), 2002 BMW X5 is equipped with a bigger engine. In terms of performance, 2002 BMW X5 (329 HP @ 5700 RPM) has 257 more horse power than 2003 Daihatsu Sirion. (72 HP @ 5200 RPM) In normal driving conditions, 2002 BMW X5 should accelerate faster than 2003 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2002 BMW X5 weights approximately 1328 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 2002 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 2003 Daihatsu Sirion. In wet, icy, snow, or gravel driving conditions, 2002 BMW X5 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, 2002 BMW X5 (480 Nm @ 3700 RPM) has 379 more torque (in Nm) than 2003 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 2002 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 2003 Daihatsu Sirion. 2002 BMW X5 has automatic transmission and 2003 Daihatsu Sirion has manual transmission. 2003 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2002 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Daihatsu Sirion | 2002 BMW X5 | |
| Make | Daihatsu | BMW |
| Model | Sirion | X5 |
| Year Released | 2003 | 2002 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 4619 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 72 HP | 329 HP |
| Engine RPM | 5200 RPM | 5700 RPM |
| Torque | 101 Nm | 480 Nm |
| Torque RPM | 3600 RPM | 3700 RPM |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 852 kg | 2180 kg |
| Vehicle Length | 3680 mm | 4670 mm |
| Vehicle Width | 1600 mm | 1880 mm |
| Vehicle Height | 1460 mm | 1710 mm |
| Wheelbase Size | 2350 mm | 2830 mm |
