2005 Fiat Siena vs. 1991 Opel Astra
To start off, 2005 Fiat Siena is newer by 14 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 1,698 cc (4 cylinders), 1991 Opel Astra is equipped with a bigger engine. In terms of performance, 2005 Fiat Siena (124 HP @ 4000 RPM) has 68 more horse power than 1991 Opel Astra. (56 HP @ 4600 RPM). In normal driving conditions, 2005 Fiat Siena should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Fiat Siena weights approximately 60 kg more than 1991 Opel Astra. 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 Fiat Siena (140 Nm @ 4000 RPM) has 35 more torque (in Nm) than 1991 Opel Astra. (105 Nm @ 2400 RPM). This means 2005 Fiat Siena will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 2005 Fiat Siena | 1991 Opel Astra | |
| Make | Fiat | Opel |
| Model | Siena | Astra |
| Year Released | 2005 | 1991 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1585 cc | 1698 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 124 HP | 56 HP |
| Engine RPM | 4000 RPM | 4600 RPM |
| Torque | 140 Nm | 105 Nm |
| Torque RPM | 4000 RPM | 2400 RPM |
| Engine Bore Size | 86.4 mm | 82.5 mm |
| Engine Stroke Size | 67.4 mm | 79.5 mm |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1095 kg | 1035 kg |
| Wheelbase Size | 2450 mm | 2530 mm |
| Fuel Tank Capacity | 47 L | 52 L |
