2001 Ariel Atom vs. 2004 Fiat Siena
To start off, 2004 Fiat Siena is newer by 3 year(s). Which means there will be less support and parts availability for 2001 Ariel Atom. In addition, the cost of maintenance, including insurance, on 2001 Ariel Atom would be higher. At 1,589 cc (4 cylinders), 2001 Ariel Atom is equipped with a bigger engine. In terms of performance, 2001 Ariel Atom (109 HP @ 5000 RPM) has 39 more horse power than 2004 Fiat Siena. (70 HP @ 5750 RPM). In normal driving conditions, 2001 Ariel Atom should accelerate faster than 2004 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Fiat Siena weights approximately 560 kg more than 2001 Ariel Atom.
Because 2001 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 2001 Ariel Atom. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2001 Ariel Atom (148 Nm @ 3000 RPM) has 53 more torque (in Nm) than 2004 Fiat Siena. (95 Nm @ 4000 RPM). This means 2001 Ariel Atom will have an easier job in driving up hills or pulling heavy equipment than 2004 Fiat Siena.
Compare all specifications:
| 2001 Ariel Atom | 2004 Fiat Siena | |
| Make | Ariel | Fiat |
| Model | Atom | Siena |
| Year Released | 2001 | 2004 |
| Body Type | Roadster | Sedan |
| Engine Position | Rear | Front |
| Engine Size | 1589 cc | 999 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 109 HP | 70 HP |
| Engine RPM | 5000 RPM | 5750 RPM |
| Torque | 148 Nm | 95 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 | 460 kg | 1020 kg |
| Vehicle Length | 3420 mm | 4110 mm |
| Vehicle Width | 1800 mm | 1630 mm |
| Vehicle Height | 1200 mm | 1470 mm |
| Wheelbase Size | 2350 mm | 2380 mm |
