2008 Daihatsu Sirion vs. 2009 Lexus IS
To start off, 2009 Lexus IS is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2008 Daihatsu Sirion would be higher. At 4,969 cc (8 cylinders), 2009 Lexus IS is equipped with a bigger engine. In terms of performance, 2009 Lexus IS (416 HP @ 6600 RPM) has 315 more horse power than 2008 Daihatsu Sirion. (101 HP @ 3600 RPM) In normal driving conditions, 2009 Lexus IS should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus IS weights approximately 760 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 2009 Lexus IS 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 2009 Lexus IS. 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, 2009 Lexus IS (503 Nm @ 5200 RPM) has 363 more torque (in Nm) than 2008 Daihatsu Sirion. (140 Nm @ 4600 RPM). This means 2009 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2009 Lexus IS has automatic transmission and 2008 Daihatsu Sirion has manual transmission. 2008 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Lexus IS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Daihatsu Sirion | 2009 Lexus IS | |
| Make | Daihatsu | Lexus |
| Model | Sirion | IS |
| Year Released | 2008 | 2009 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 4969 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 101 HP | 416 HP |
| Engine RPM | 3600 RPM | 6600 RPM |
| Torque | 140 Nm | 503 Nm |
| Torque RPM | 4600 RPM | 5200 RPM |
| Engine Compression Ratio | 10.0:1 | 11.8:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 940 kg | 1700 kg |
| Vehicle Length | 3610 mm | 4670 mm |
| Vehicle Width | 1560 mm | 1820 mm |
| Vehicle Height | 1670 mm | 1420 mm |
| Wheelbase Size | 2440 mm | 2740 mm |
| Fuel Consumption Overall | 6 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 40 L | 64 L |
