2002 Alfa Romeo 156 vs. 2007 Fiat Siena
To start off, 2007 Fiat Siena is newer by 5 year(s). Which means there will be less support and parts availability for 2002 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2002 Alfa Romeo 156 would be higher. At 1,747 cc (4 cylinders), 2002 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2002 Alfa Romeo 156 (138 HP @ 6500 RPM) has 70 more horse power than 2007 Fiat Siena. (68 HP @ 4600 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2002 Alfa Romeo 156 weights approximately 175 kg more than 2007 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, 2002 Alfa Romeo 156 (163 Nm @ 3900 RPM) has 28 more torque (in Nm) than 2007 Fiat Siena. (135 Nm @ 2500 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2007 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | 156 | Siena |
| Year Released | 2002 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 68 HP |
| Engine RPM | 6500 RPM | 4600 RPM |
| Torque | 163 Nm | 135 Nm |
| Torque RPM | 3900 RPM | 2500 RPM |
| Engine Compression Ratio | 10.3:1 | 20.3:1 |
| Top Speed | 203 km/hour | 160 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 16.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1265 kg | 1090 kg |
| Vehicle Length | 4440 mm | 4140 mm |
| Vehicle Width | 1750 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2380 mm |
| Fuel Tank Capacity | 63 L | 47 L |
