2003 Fiat Siena vs. 1991 Opel Astra
To start off, 2003 Fiat Siena is newer by 12 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 1,686 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 1991 Opel Astra (82 HP @ 4400 RPM) has 23 more horse power than 2003 Fiat Siena. (59 HP @ 5200 RPM) In normal driving conditions, 1991 Opel Astra should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 1991 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, 1991 Opel Astra (168 Nm @ 2400 RPM) has 65 more torque (in Nm) than 2003 Fiat Siena. (103 Nm @ 2500 RPM). This means 1991 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 | 1991 Opel Astra | |
| Make | Fiat | Opel |
| Model | Siena | Astra |
| Year Released | 2003 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1301 cc | 1686 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 82 HP |
| Engine RPM | 5200 RPM | 4400 RPM |
| Torque | 103 Nm | 168 Nm |
| Torque RPM | 2500 RPM | 2400 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1040 kg | 1130 kg |
| Vehicle Length | 4110 mm | 4060 mm |
| Vehicle Width | 1630 mm | 1690 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2380 mm | 2640 mm |
