2003 Fiat Siena vs. 2006 Mercedes-Benz C
To start off, 2006 Mercedes-Benz C is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2003 Fiat Siena would be higher. At 5,437 cc (8 cylinders), 2006 Mercedes-Benz C is equipped with a bigger engine. In terms of performance, 2006 Mercedes-Benz C (362 HP @ 5750 RPM) has 263 more horse power than 2003 Fiat Siena. (99 HP @ 6000 RPM) In normal driving conditions, 2006 Mercedes-Benz C should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2006 Mercedes-Benz C weights approximately 585 kg more than 2003 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 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 2006 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2003 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, 2006 Mercedes-Benz C (510 Nm @ 4000 RPM) has 364 more torque (in Nm) than 2003 Fiat Siena. (146 Nm @ 4000 RPM). This means 2006 Mercedes-Benz C will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena. 2006 Mercedes-Benz C has automatic transmission and 2003 Fiat Siena has manual transmission. 2003 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Mercedes-Benz C will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Fiat Siena | 2006 Mercedes-Benz C | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | C |
| Year Released | 2003 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1596 cc | 5437 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 99 HP | 362 HP |
| Engine RPM | 6000 RPM | 5750 RPM |
| Torque | 146 Nm | 510 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 80.5 mm | 97 mm |
| Engine Stroke Size | 78.4 mm | 92 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1050 kg | 1635 kg |
| Vehicle Length | 4110 mm | 4630 mm |
| Vehicle Width | 1630 mm | 1750 mm |
| Vehicle Height | 1470 mm | 1460 mm |
| Wheelbase Size | 2380 mm | 2720 mm |
