2009 Mercedes-Benz A vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Mercedes-Benz A. In addition, the cost of maintenance, including insurance, on 2009 Mercedes-Benz A would be higher. At 2,034 cc (4 cylinders), 2009 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz A (134 HP @ 5750 RPM) has 34 more horse power than 2011 Fiat Siena. (100 HP @ 5500 RPM). In normal driving conditions, 2009 Mercedes-Benz A should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz A weights approximately 1756 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, 2009 Mercedes-Benz A (185 Nm @ 3500 RPM) has 111 more torque (in Nm) than 2011 Fiat Siena. (74 Nm @ 5500 RPM). This means 2009 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
| 2009 Mercedes-Benz A | 2011 Fiat Siena | |
| Make | Mercedes-Benz | Fiat |
| Model | A | Siena |
| Year Released | 2009 | 2011 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2034 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 134 HP | 100 HP |
| Engine RPM | 5750 RPM | 5500 RPM |
| Torque | 185 Nm | 74 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Engine Bore Size | 83 mm | 86.4 mm |
| Engine Stroke Size | 94 mm | 67.4 mm |
| Engine Compression Ratio | 11.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 200 km/hour | 184 km/hour |
| Acceleration 0-100mph | 10.1 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 | 2830 kg | 1074 kg |
| Vehicle Length | 3840 mm | 3550 mm |
| Vehicle Width | 1770 mm | 1640 mm |
| Vehicle Height | 1600 mm | 1440 mm |
| Wheelbase Size | 2570 mm | 2380 mm |
| Fuel Consumption Overall | 7.2 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 60 L | 54 L |
