2006 Alfa Romeo 159 vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 159 would be higher. At 1,910 cc (4 cylinders), 2006 Alfa Romeo 159 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 159 weights approximately 532 kg more than 2009 Fiat Siena.
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, 2006 Alfa Romeo 159 (280 Nm @ 2000 RPM) has 178 more torque (in Nm) than 2009 Fiat Siena. (102 Nm @ 3250 RPM). This means 2006 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2009 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | 159 | Siena |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 1242 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 118 HP | 0 HP |
| Torque | 280 Nm | 102 Nm |
| Torque RPM | 2000 RPM | 3250 RPM |
| Engine Compression Ratio | 18.0:1 | 9.1:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 191 km/hour | 159 km/hour |
| Acceleration 0-100mph | 11 seconds | 13.5 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 | 1602 kg | 1070 kg |
| Vehicle Length | 4670 mm | 3830 mm |
| Vehicle Width | 1830 mm | 1640 mm |
| Vehicle Height | 1420 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2380 mm |
| Fuel Consumption Overall | 6 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
