2007 Mazda 6 vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Mazda 6. In addition, the cost of maintenance, including insurance, on 2007 Mazda 6 would be higher. At 2,260 cc (4 cylinders), 2007 Mazda 6 is equipped with a bigger engine. In terms of performance, 2007 Mazda 6 (164 HP @ 6500 RPM) has 64 more horse power than 2011 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2007 Mazda 6 should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 6 weights approximately 356 kg more than 2011 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, 2007 Mazda 6 (207 Nm @ 4000 RPM) has 133 more torque (in Nm) than 2011 Fiat Siena. (74 Nm @ 5500 RPM). This means 2007 Mazda 6 will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
| 2007 Mazda 6 | 2011 Fiat Siena | |
| Make | Mazda | Fiat |
| Model | 6 | Siena |
| Year Released | 2007 | 2011 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2260 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 164 HP | 100 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 207 Nm | 74 Nm |
| Torque RPM | 4000 RPM | 5500 RPM |
| Engine Bore Size | 87.5 mm | 86.4 mm |
| Engine Stroke Size | 94 mm | 67.4 mm |
| Engine Compression Ratio | 10.6:1 | 9.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 211 km/hour | 184 km/hour |
| Acceleration 0-100mph | 9 seconds | 11.5 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 | 1430 kg | 1074 kg |
| Vehicle Length | 4690 mm | 3550 mm |
| Vehicle Width | 1790 mm | 1640 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2680 mm | 2380 mm |
| Fuel Consumption Overall | 8.9 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 64 L | 54 L |
