1998 Daihatsu Sirion vs. 2009 Lexus RX
To start off, 2009 Lexus RX is newer by 11 year(s). Which means there will be less support and parts availability for 1998 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 1998 Daihatsu Sirion would be higher. At 3,456 cc (6 cylinders), 2009 Lexus RX is equipped with a bigger engine. In terms of performance, 2009 Lexus RX (273 HP @ 6200 RPM) has 173 more horse power than 1998 Daihatsu Sirion. (100 HP @ 7000 RPM) In normal driving conditions, 2009 Lexus RX should accelerate faster than 1998 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 Lexus RX weights approximately 935 kg more than 1998 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 RX (342 Nm @ 4700 RPM) has 222 more torque (in Nm) than 1998 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2009 Lexus RX will have an easier job in driving up hills or pulling heavy equipment than 1998 Daihatsu Sirion. 2009 Lexus RX has automatic transmission and 1998 Daihatsu Sirion has manual transmission. 1998 Daihatsu Sirion will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Lexus RX will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Daihatsu Sirion | 2009 Lexus RX | |
| Make | Daihatsu | Lexus |
| Model | Sirion | RX |
| Year Released | 1998 | 2009 |
| Body Type | Hatchback | SUV |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 3456 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 100 HP | 273 HP |
| Engine RPM | 7000 RPM | 6200 RPM |
| Torque | 120 Nm | 342 Nm |
| Torque RPM | 4400 RPM | 4700 RPM |
| Engine Bore Size | 72 mm | 94 mm |
| Engine Stroke Size | 79.7 mm | 83 mm |
| Engine Compression Ratio | 11.0:1 | 10.8:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 900 kg | 1835 kg |
| Vehicle Length | 3680 mm | 4750 mm |
| Vehicle Width | 1600 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1680 mm |
| Wheelbase Size | 2350 mm | 2720 mm |
| Fuel Tank Capacity | 37 L | 72 L |
