2007 Mazda 3 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 3. In addition, the cost of maintenance, including insurance, on 2007 Mazda 3 would be higher. At 1,581 cc (4 cylinders), 2011 Fiat Siena is equipped with a bigger engine. In terms of performance, 2007 Mazda 3 (108 HP @ 4000 RPM) has 2 more horse power than 2011 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2007 Mazda 3 should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mazda 3 weights approximately 165 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 3 (241 Nm @ 1750 RPM) has 101 more torque (in Nm) than 2011 Fiat Siena. (140 Nm @ 4000 RPM). This means 2007 Mazda 3 will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
| 2007 Mazda 3 | 2011 Fiat Siena | |
| Make | Mazda | Fiat |
| Model | 3 | Siena |
| Year Released | 2007 | 2011 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1560 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 108 HP | 106 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 241 Nm | 140 Nm |
| Torque RPM | 1750 RPM | 4000 RPM |
| Engine Bore Size | 75 mm | 86.5 mm |
| Engine Stroke Size | 88.3 mm | 67.4 mm |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 11.3 seconds | 10.5 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 | 1260 kg | 1095 kg |
| Vehicle Length | 4430 mm | 3550 mm |
| Vehicle Width | 1760 mm | 1640 mm |
| Vehicle Height | 1470 mm | 1490 mm |
| Wheelbase Size | 2650 mm | 2370 mm |
| Fuel Consumption Overall | 5 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 55 L | 47 L |
