2004 Caterham 7 vs. 2009 Daihatsu Sirion
To start off, 2009 Daihatsu Sirion is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Caterham 7. In addition, the cost of maintenance, including insurance, on 2004 Caterham 7 would be higher. At 1,997 cc (4 cylinders), 2004 Caterham 7 is equipped with a bigger engine. In terms of performance, 2004 Caterham 7 (251 HP @ 8000 RPM) has 149 more horse power than 2009 Daihatsu Sirion. (102 HP @ 6000 RPM). In normal driving conditions, 2004 Caterham 7 should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2009 Daihatsu Sirion weights approximately 436 kg more than 2004 Caterham 7.
Because 2009 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2004 Caterham 7. In wet, icy, snow, or gravel driving conditions, 2009 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, 2004 Caterham 7 (258 Nm @ 4000 RPM) has 120 more torque (in Nm) than 2009 Daihatsu Sirion. (138 Nm @ 4400 RPM). This means 2004 Caterham 7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 2004 Caterham 7 has manual transmission. 2004 Caterham 7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Caterham 7 | 2009 Daihatsu Sirion | |
| Make | Caterham | Daihatsu |
| Model | 7 | Sirion |
| Year Released | 2004 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 1997 cc | 1495 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 251 HP | 102 HP |
| Engine RPM | 8000 RPM | 6000 RPM |
| Torque | 258 Nm | 138 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Top Speed | 241 km/hour | 180 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 470 kg | 906 kg |
| Vehicle Length | 3110 mm | 3640 mm |
| Vehicle Width | 1580 mm | 1670 mm |
| Vehicle Height | 810 mm | 1560 mm |
| Wheelbase Size | 2230 mm | 2440 mm |
