2009 Alfa Romeo GT vs. 2007 Fiat Siena
To start off, 2009 Alfa Romeo GT is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 1,747 cc (4 cylinders), 2009 Alfa Romeo GT is equipped with a bigger engine. In terms of performance, 2009 Alfa Romeo GT (138 HP @ 6500 RPM) has 38 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2009 Alfa Romeo GT should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo GT weights approximately 295 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, 2009 Alfa Romeo GT (163 Nm @ 3900 RPM) has 23 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 Alfa Romeo GT will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2009 Alfa Romeo GT | 2007 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | GT | Siena |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | 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 | 4 valves |
| Horse Power | 138 HP | 100 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 163 Nm | 140 Nm |
| Torque RPM | 3900 RPM | 4000 RPM |
| Engine Compression Ratio | 10.3:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 200 km/hour | 179 km/hour |
| Acceleration 0-100mph | 10.6 seconds | 11.5 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1365 kg | 1070 kg |
| Vehicle Width | 1770 mm | 1640 mm |
| Wheelbase Size | 2600 mm | 2380 mm |
| Fuel Consumption Overall | 8.5 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 63 L | 54 L |
