1999 Daihatsu Sirion vs. 2011 Lexus IS
To start off, 2011 Lexus IS is newer by 12 year(s). Which means there will be less support and parts availability for 1999 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1999 Daihatsu Sirion would be higher. At 2,500 cc (6 cylinders), 2011 Lexus IS is equipped with a bigger engine. In terms of performance, 2011 Lexus IS (204 HP @ 6400 RPM) has 151 more horse power than 1999 Daihatsu Sirion. (53 HP @ 5200 RPM) In normal driving conditions, 2011 Lexus IS should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2011 Lexus IS weights approximately 932 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 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 2011 Lexus IS. However, in wet, icy, snow, or gravel driving conditions, 1999 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, 2011 Lexus IS (251 Nm @ 4800 RPM) has 163 more torque (in Nm) than 1999 Daihatsu Sirion. (88 Nm @ 3600 RPM). This means 2011 Lexus IS will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1999 Daihatsu Sirion | 2011 Lexus IS | |
| Make | Daihatsu | Lexus |
| Model | Sirion | IS |
| Year Released | 1999 | 2011 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 989 cc | 2500 cc |
| Engine Cylinders | 3 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 53 HP | 204 HP |
| Engine RPM | 5200 RPM | 6400 RPM |
| Torque | 88 Nm | 251 Nm |
| Torque RPM | 3600 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 810 kg | 1742 kg |
| Vehicle Length | 3680 mm | 4633 mm |
| Vehicle Width | 1600 mm | 1801 mm |
| Vehicle Height | 1460 mm | 1415 mm |
| Wheelbase Size | 2350 mm | 2731 mm |
| Fuel Tank Capacity | 37 L | 65 L |
