1997 Caterham C21 vs. 2011 Daihatsu Sirion
To start off, 2011 Daihatsu Sirion is newer by 14 year(s). Which means there will be less support and parts availability for 1997 Caterham C21. In addition, the cost of maintenance, including insurance, on 1997 Caterham C21 would be higher. At 1,588 cc (4 cylinders), 1997 Caterham C21 is equipped with a bigger engine. In terms of performance, 1997 Caterham C21 (138 HP @ 7000 RPM) has 69 more horse power than 2011 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 1997 Caterham C21 should accelerate faster than 2011 Daihatsu Sirion.
Because 2011 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 1997 Caterham C21. In wet, icy, snow, or gravel driving conditions, 2011 Daihatsu Sirion will offer significantly more control. 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, 1997 Caterham C21 (153 Nm @ 5000 RPM) has 59 more torque (in Nm) than 2011 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 1997 Caterham C21 will have an easier job in driving up hills or pulling heavy equipment than 2011 Daihatsu Sirion.
Compare all specifications:
| 1997 Caterham C21 | 2011 Daihatsu Sirion | |
| Make | Caterham | Daihatsu |
| Model | C21 | Sirion |
| Year Released | 1997 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 69 HP |
| Engine RPM | 7000 RPM | 6000 RPM |
| Torque | 153 Nm | 94 Nm |
| Torque RPM | 5000 RPM | 3600 RPM |
| Engine Bore Size | 80 mm | 71.1 mm |
| Engine Stroke Size | 79 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
