2004 BMW 320 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 4 year(s). Which means there will be less support and parts availability for 2004 BMW 320. In addition, the cost of maintenance, including insurance, on 2004 BMW 320 would be higher. At 1,993 cc (4 cylinders), 2004 BMW 320 is equipped with a bigger engine. In terms of performance, 2004 BMW 320 (148 HP @ 4000 RPM) has 62 more horse power than 2008 Daihatsu Sirion. (86 HP @ 6000 RPM). In normal driving conditions, 2004 BMW 320 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2004 BMW 320 weights approximately 740 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 2004 BMW 320 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 2004 BMW 320. 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, 2004 BMW 320 (350 Nm @ 2000 RPM) has 230 more torque (in Nm) than 2008 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2004 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2008 Daihatsu Sirion has automatic transmission and 2004 BMW 320 has manual transmission. 2004 BMW 320 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:
| 2004 BMW 320 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 320 | Sirion |
| Year Released | 2004 | 2008 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1993 cc | 1296 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 86 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 350 Nm | 120 Nm |
| Torque RPM | 2000 RPM | 3200 RPM |
| Engine Bore Size | 84 mm | 72 mm |
| Engine Stroke Size | 90 mm | 79.7 mm |
| Engine Compression Ratio | 17.0:1 | 10.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 211 km/hour | 175 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 9.6 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1680 kg | 940 kg |
| Vehicle Length | 4490 mm | 3400 mm |
| Vehicle Height | 1380 mm | 1250 mm |
| Wheelbase Size | 2730 mm | 2440 mm |
| Fuel Tank Capacity | 63 L | 40 L |
