2003 Ariel Atom vs. 2010 Daihatsu Sirion
To start off, 2010 Daihatsu Sirion is newer by 7 year(s). Which means there will be less support and parts availability for 2003 Ariel Atom. In addition, the cost of maintenance, including insurance, on 2003 Ariel Atom would be higher. At 1,589 cc (4 cylinders), 2003 Ariel Atom is equipped with a bigger engine. In terms of performance, 2003 Ariel Atom (109 HP @ 5000 RPM) has 40 more horse power than 2010 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 2003 Ariel Atom should accelerate faster than 2010 Daihatsu Sirion.
Because 2010 Daihatsu Sirion is four wheel drive (4WD), it will have significant more traction and grip than 2003 Ariel Atom. In wet, icy, snow, or gravel driving conditions, 2010 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, 2003 Ariel Atom (148 Nm @ 3000 RPM) has 54 more torque (in Nm) than 2010 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 2003 Ariel Atom will have an easier job in driving up hills or pulling heavy equipment than 2010 Daihatsu Sirion.
Compare all specifications:
| 2003 Ariel Atom | 2010 Daihatsu Sirion | |
| Make | Ariel | Daihatsu |
| Model | Atom | Sirion |
| Year Released | 2003 | 2010 |
| Body Type | Roadster | Hatchback |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 998 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 109 HP | 69 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 148 Nm | 94 Nm |
| Torque RPM | 3000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 5 seats |
