2007 Alfa Romeo Brera vs. 2006 Fiat Siena
To start off, 2007 Alfa Romeo Brera is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2006 Fiat Siena would be higher. At 2,198 cc (4 cylinders), 2007 Alfa Romeo Brera is equipped with a bigger engine. In terms of performance, 2007 Alfa Romeo Brera (182 HP @ 6500 RPM) has 82 more horse power than 2006 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2007 Alfa Romeo Brera should accelerate faster than 2006 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Fiat Siena weights approximately 313 kg more than 2007 Alfa Romeo Brera.
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, 2007 Alfa Romeo Brera (230 Nm @ 4500 RPM) has 156 more torque (in Nm) than 2006 Fiat Siena. (74 Nm @ 5500 RPM). This means 2007 Alfa Romeo Brera will have an easier job in driving up hills or pulling heavy equipment than 2006 Fiat Siena.
Compare all specifications:
| 2007 Alfa Romeo Brera | 2006 Fiat Siena | |
| Make | Alfa Romeo | Fiat |
| Model | Brera | Siena |
| Year Released | 2007 | 2006 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 182 HP | 100 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 230 Nm | 74 Nm |
| Torque RPM | 4500 RPM | 5500 RPM |
| Engine Compression Ratio | 11.3:1 | 9.5:1 |
| Acceleration 0-100mph | 8.6 seconds | 11.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1470 kg | 1783 kg |
| Vehicle Length | 4420 mm | 3830 mm |
| Vehicle Width | 1380 mm | 1640 mm |
| Vehicle Height | 1840 mm | 1440 mm |
| Wheelbase Size | 2530 mm | 2380 mm |
| Fuel Consumption Overall | 9.4 L/100km | 8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
