2003 Ariel Atom vs. 2008 Fiat Siena
To start off, 2008 Fiat Siena is newer by 5 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 3 more horse power than 2008 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2003 Ariel Atom should accelerate faster than 2008 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2008 Fiat Siena weights approximately 633 kg more than 2003 Ariel Atom.
Because 2003 Ariel Atom 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 2003 Ariel Atom. However, in wet, icy, snow, or gravel driving conditions, 2008 Fiat Siena, 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, 2003 Ariel Atom (148 Nm @ 3000 RPM) has 8 more torque (in Nm) than 2008 Fiat Siena. (140 Nm @ 4000 RPM). This means 2003 Ariel Atom will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena.
Compare all specifications:
| 2003 Ariel Atom | 2008 Fiat Siena | |
| Make | Ariel | Fiat |
| Model | Atom | Siena |
| Year Released | 2003 | 2008 |
| Body Type | Roadster | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 109 HP | 106 HP |
| Engine RPM | 5000 RPM | 5500 RPM |
| Torque | 148 Nm | 140 Nm |
| Torque RPM | 3000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 1 seats | 5 seats |
| Vehicle Weight | 462 kg | 1095 kg |
| Vehicle Length | 3420 mm | 3550 mm |
| Vehicle Width | 1800 mm | 1640 mm |
| Vehicle Height | 1200 mm | 1490 mm |
| Wheelbase Size | 2350 mm | 2370 mm |
