2009 Alfa Romeo 159 vs. 2009 Fiat Siena
To start off, both 2009 Alfa Romeo 159 and 2009 Fiat Siena were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,387 cc (5 cylinders), 2009 Alfa Romeo 159 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo 159 weights approximately 665 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, 2009 Alfa Romeo 159 (400 Nm @ 2000 RPM) has 265 more torque (in Nm) than 2009 Fiat Siena. (135 Nm @ 2500 RPM). This means 2009 Alfa Romeo 159 will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2009 Alfa Romeo 159 | 2009 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | 159 | Siena |
| Year Released | 2009 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1697 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 197 HP | 0 HP |
| Torque | 400 Nm | 135 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Engine Compression Ratio | 17.0:1 | 20.3:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 226 km/hour | 160 km/hour |
| Acceleration 0-100mph | 8.6 seconds | 16.3 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 | 1755 kg | 1090 kg |
| Vehicle Length | 4670 mm | 4140 mm |
| Vehicle Width | 1840 mm | 1640 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2710 mm | 2380 mm |
| Fuel Consumption Overall | 7 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 70 L | 47 L |
