2003 Fiat Siena vs. 2004 Nissan Altima
To start off, 2004 Nissan Altima is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 2,505 cc (4 cylinders), 2004 Nissan Altima is equipped with a bigger engine. In terms of performance, 2004 Nissan Altima (175 HP @ 3600 RPM) has 116 more horse power than 2003 Fiat Siena. (59 HP @ 5200 RPM) In normal driving conditions, 2004 Nissan Altima should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 Nissan Altima weights approximately 321 kg more than 2003 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Nissan Altima (244 Nm) has 141 more torque (in Nm) than 2003 Fiat Siena. (103 Nm). This means 2004 Nissan Altima will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2003 Fiat Siena | 2004 Nissan Altima | |
| Make | Fiat | Nissan |
| Model | Siena | Altima |
| Year Released | 2003 | 2004 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1301 cc | 2505 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 59 HP | 175 HP |
| Engine RPM | 5200 RPM | 3600 RPM |
| Torque | 103 Nm | 244 Nm |
| Engine Bore Size | 70.8 mm | 89 mm |
| Engine Stroke Size | 78.9 mm | 100 mm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1040 kg | 1361 kg |
| Vehicle Length | 4110 mm | 4870 mm |
| Vehicle Width | 1630 mm | 1790 mm |
| Vehicle Height | 1470 mm | 1480 mm |
| Wheelbase Size | 2380 mm | 2830 mm |
