2007 Fiat Siena vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 1,796 cc (4 cylinders), 2009 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (141 HP @ 5200 RPM) has 41 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM) In normal driving conditions, 2009 Mercedes-Benz C should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz C weights approximately 395 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Mercedes-Benz C is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2007 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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 C (220 Nm @ 2500 RPM) has 145 more torque (in Nm) than 2007 Fiat Siena. (75 Nm @ 5500 RPM). This means 2009 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2007 Fiat Siena | 2009 Mercedes-Benz C | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | C |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 1796 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 100 HP | 141 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 75 Nm | 220 Nm |
| Torque RPM | 5500 RPM | 2500 RPM |
| Engine Bore Size | 86.4 mm | 82 mm |
| Engine Stroke Size | 67.4 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 184 km/hour | 223 km/hour |
| Acceleration 0-100mph | 11.5 seconds | 9.7 seconds |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1070 kg | 1465 kg |
| Vehicle Width | 1640 mm | 1730 mm |
| Vehicle Height | 1440 mm | 1410 mm |
| Wheelbase Size | 2380 mm | 2720 mm |
| Fuel Consumption Overall | 8.2 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 54 L | 62 L |
