2000 Caterham 21 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 9 year(s). Which means there will be less support and parts availability for 2000 Caterham 21. In addition, the cost of maintenance, including insurance, on 2000 Caterham 21 would be higher. At 1,794 cc (4 cylinders), 2000 Caterham 21 is equipped with a bigger engine. In terms of performance, 2000 Caterham 21 (230 HP @ 8600 RPM) has 161 more horse power than 2009 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2000 Caterham 21 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 Daihatsu Sirion weights approximately 350 kg more than 2000 Caterham 21.
Because 2000 Caterham 21 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 2000 Caterham 21. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2000 Caterham 21 (210 Nm @ 7200 RPM) has 116 more torque (in Nm) than 2009 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2000 Caterham 21 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2000 Caterham 21 | 2009 Daihatsu Sirion | |
| Make | Caterham | Daihatsu |
| Model | 21 | Sirion |
| Year Released | 2000 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1794 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 230 HP | 69 HP |
| Engine RPM | 8600 RPM | 6000 RPM |
| Torque | 210 Nm | 94 Nm |
| Torque RPM | 7200 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 71.1 mm |
| Engine Stroke Size | 89.3 mm | 84 mm |
| Engine Compression Ratio | 11.5:1 | 10.5:1 |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 540 kg | 890 kg |
| Vehicle Length | 3860 mm | 3610 mm |
| Vehicle Width | 1590 mm | 1670 mm |
| Wheelbase Size | 2230 mm | 2440 mm |
| Fuel Tank Capacity | 100 L | 40 L |
