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, 2009 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (181 HP @ 5500 RPM) has 109 more horse power than 2007 Fiat Siena. (72 HP @ 6000 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 1760 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 (241 Nm @ 2800 RPM) has 139 more torque (in Nm) than 2007 Fiat Siena. (102 Nm @ 3250 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 | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 1796 cc |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 72 HP | 181 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 102 Nm | 241 Nm |
| Torque RPM | 3250 RPM | 2800 RPM |
| Engine Bore Size | 70.9 mm | 82 mm |
| Engine Stroke Size | 78.9 mm | 85 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 2830 kg |
| Vehicle Length | 3830 mm | 4590 mm |
| Vehicle Width | 1640 mm | 1450 mm |
| Vehicle Height | 1440 mm | 1780 mm |
| Wheelbase Size | 2380 mm | 2770 mm |
| Fuel Consumption Overall | 7.8 L/100km | 9.9 L/100km |
| Fuel Tank Capacity | 54 L | 62 L |
