2007 Mercedes-Benz C vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz C. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz C would be higher. At 2,146 cc (4 cylinders), 2007 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz C (148 HP @ 4200 RPM) has 42 more horse power than 2009 Fiat Siena. (106 HP @ 5500 RPM). In normal driving conditions, 2007 Mercedes-Benz C should accelerate faster than 2009 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz C weights approximately 440 kg more than 2009 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 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 2007 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2009 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, 2007 Mercedes-Benz C (340 Nm @ 1400 RPM) has 200 more torque (in Nm) than 2009 Fiat Siena. (140 Nm @ 4000 RPM). This means 2007 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena. 2007 Mercedes-Benz C has automatic transmission and 2009 Fiat Siena has manual transmission. 2009 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz C | 2009 Fiat Siena | |
| Make | Mercedes-Benz | Fiat |
| Model | C | Siena |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2146 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 106 HP |
| Engine RPM | 4200 RPM | 5500 RPM |
| Torque | 340 Nm | 140 Nm |
| Torque RPM | 1400 RPM | 4000 RPM |
| Engine Bore Size | 88 mm | 86.5 mm |
| Engine Stroke Size | 88.3 mm | 67.4 mm |
| Engine Compression Ratio | 18.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Acceleration 0-100mph | 10.3 seconds | 10.5 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1535 kg | 1095 kg |
| Vehicle Length | 4550 mm | 3550 mm |
| Vehicle Width | 1470 mm | 1640 mm |
| Vehicle Height | 1730 mm | 1490 mm |
| Wheelbase Size | 2720 mm | 2370 mm |
| Fuel Consumption Overall | 6.4 L/100km | 8.2 L/100km |
| Fuel Tank Capacity | 62 L | 47 L |
