2008 Fiat Siena vs. 2012 Mercedes-Benz A
To start off, 2012 Mercedes-Benz A is newer by 4 year(s). Which means there will be less support and parts availability for 2008 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2008 Fiat Siena would be higher. At 2,034 cc (4 cylinders), 2012 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz A (134 HP @ 5750 RPM) has 28 more horse power than 2008 Fiat Siena. (106 HP @ 5500 RPM) In normal driving conditions, 2012 Mercedes-Benz A should accelerate faster than 2008 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz A weights approximately 175 kg more than 2008 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, 2012 Mercedes-Benz A (185 Nm @ 3500 RPM) has 45 more torque (in Nm) than 2008 Fiat Siena. (140 Nm @ 4000 RPM). This means 2012 Mercedes-Benz A will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena.
Compare all specifications:
| 2008 Fiat Siena | 2012 Mercedes-Benz A | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | A |
| Year Released | 2008 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 2034 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 106 HP | 134 HP |
| Engine RPM | 5500 RPM | 5750 RPM |
| Torque | 140 Nm | 185 Nm |
| Torque RPM | 4000 RPM | 3500 RPM |
| Engine Bore Size | 86.5 mm | 83 mm |
| Engine Stroke Size | 67.4 mm | 94 mm |
| Engine Compression Ratio | 10.2:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Acceleration 0-100mph | 10.5 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1095 kg | 1270 kg |
| Vehicle Length | 3550 mm | 3840 mm |
| Vehicle Width | 1640 mm | 1770 mm |
| Vehicle Height | 1490 mm | 1600 mm |
| Wheelbase Size | 2370 mm | 2570 mm |
| Fuel Consumption Overall | 8.2 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 47 L | 54 L |
