2002 Alfa Romeo 156 vs. 2006 Fiat Siena
To start off, 2006 Fiat Siena is newer by 4 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 37 more horse power than 2006 Fiat Siena. (101 HP @ 5500 RPM). In normal driving conditions, 2002 Alfa Romeo 156 should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 391 kg more than 2002 Alfa Romeo 156.
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 23 more torque (in Nm) than 2006 Fiat Siena. (140 Nm @ 4000 RPM). This means 2002 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2002 Alfa Romeo 156 | 2006 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | 156 | Siena |
| Year Released | 2002 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1747 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 101 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 163 Nm | 140 Nm |
| Torque RPM | 3900 RPM | 4000 RPM |
| Engine Bore Size | 82 mm | 86.4 mm |
| Engine Stroke Size | 82.7 mm | 67.4 mm |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Top Speed | 208 km/hour | 184 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1392 kg | 1783 kg |
| Vehicle Length | 4450 mm | 3830 mm |
| Vehicle Width | 1750 mm | 1640 mm |
| Vehicle Height | 1400 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2380 mm |
| Fuel Tank Capacity | 63 L | 54 L |
