1999 BMW 323 vs. 2002 Daihatsu Sirion
To start off, 2002 Daihatsu Sirion is newer by 3 year(s). Which means there will be less support and parts availability for 1999 BMW 323. In addition, the cost of maintenance, including insurance, on 1999 BMW 323 would be higher. At 2,494 cc (6 cylinders), 1999 BMW 323 is equipped with a bigger engine. In terms of performance, 1999 BMW 323 (170 HP @ 5500 RPM) has 68 more horse power than 2002 Daihatsu Sirion. (102 HP @ 7200 RPM). In normal driving conditions, 1999 BMW 323 should accelerate faster than 2002 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1999 BMW 323 weights approximately 587 kg more than 2002 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 BMW 323 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 1999 BMW 323. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 1999 BMW 323 (245 Nm @ 3500 RPM) has 125 more torque (in Nm) than 2002 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 1999 BMW 323 will have an easier job in driving up hills or pulling heavy equipment than 2002 Daihatsu Sirion. 1999 BMW 323 has automatic transmission and 2002 Daihatsu Sirion has manual transmission. 2002 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW 323 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 BMW 323 | 2002 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 323 | Sirion |
| Year Released | 1999 | 2002 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 170 HP | 102 HP |
| Engine RPM | 5500 RPM | 7200 RPM |
| Torque | 245 Nm | 120 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1457 kg | 870 kg |
| Vehicle Length | 4480 mm | 3680 mm |
| Vehicle Width | 1750 mm | 1600 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2730 mm | 2350 mm |
