2005 Mercedes-Benz S vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 6 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 4,966 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 890 kg more than 2011 Fiat Siena.
Because 2005 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2011 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2005 Mercedes-Benz S will offer significantly more control. 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, 2005 Mercedes-Benz S (460 Nm @ 2700 RPM) has 325 more torque (in Nm) than 2011 Fiat Siena. (135 Nm @ 2500 RPM). This means 2005 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena. 2005 Mercedes-Benz S has automatic transmission and 2011 Fiat Siena has manual transmission. 2011 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Mercedes-Benz S | 2011 Fiat Siena | |
| Make | Mercedes-Benz | Fiat |
| Model | S | Siena |
| Year Released | 2005 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4966 cc | 1697 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 3 valves | 2 valves |
| Horse Power | 302 HP | 0 HP |
| Torque | 460 Nm | 135 Nm |
| Torque RPM | 2700 RPM | 2500 RPM |
| Engine Compression Ratio | 10.0:1 | 20.3:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 160 km/hour |
| Acceleration 0-100mph | 6.8 seconds | 16.3 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1980 kg | 1090 kg |
| Vehicle Length | 5050 mm | 4140 mm |
| Vehicle Width | 1860 mm | 1640 mm |
| Vehicle Height | 1460 mm | 1440 mm |
| Wheelbase Size | 2720 mm | 2380 mm |
| Fuel Consumption Overall | 12.9 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 88 L | 47 L |
