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 2,994 cc (6 cylinders), 2009 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz C (228 HP @ 6000 RPM) has 156 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 (300 Nm @ 2700 RPM) has 198 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. 2009 Mercedes-Benz C has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 2009 Mercedes-Benz C | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | C |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 2994 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 72 HP | 228 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 102 Nm | 300 Nm |
| Torque RPM | 3250 RPM | 2700 RPM |
| Engine Compression Ratio | 9.1:1 | 10.7:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1070 kg | 2830 kg |
| Vehicle Length | 3830 mm | 4640 mm |
| Vehicle Width | 1640 mm | 1780 mm |
| Vehicle Height | 1440 mm | 1440 mm |
| Wheelbase Size | 2380 mm | 2770 mm |
| Fuel Consumption Overall | 7.8 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 54 L | 66 L |
