2003 Fiat Siena vs. 2005 Opel Astra
To start off, 2005 Opel Astra is newer by 2 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 1,598 cc (4 cylinders), 2005 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Opel Astra (97 HP @ 6000 RPM) has 27 more horse power than 2003 Fiat Siena. (70 HP @ 5750 RPM) In normal driving conditions, 2005 Opel Astra should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 Opel Astra weights approximately 90 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, 2005 Opel Astra (142 Nm @ 3600 RPM) has 47 more torque (in Nm) than 2003 Fiat Siena. (95 Nm @ 4000 RPM). This means 2005 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2003 Fiat Siena | 2005 Opel Astra | |
| Make | Fiat | Opel |
| Model | Siena | Astra |
| Year Released | 2003 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 999 cc | 1598 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 97 HP |
| Engine RPM | 5750 RPM | 6000 RPM |
| Torque | 95 Nm | 142 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1020 kg | 1110 kg |
| Wheelbase Size | 2380 mm | 2700 mm |
