2007 Mercedes-Benz B vs. 2010 Fiat Siena
To start off, 2010 Fiat Siena is newer by 3 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz B would be higher. At 1,991 cc (4 cylinders), 2007 Mercedes-Benz B is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz B weights approximately 284 kg more than 2010 Fiat Siena.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 B (300 Nm @ 1600 RPM) has 165 more torque (in Nm) than 2010 Fiat Siena. (135 Nm @ 2500 RPM). This means 2007 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2010 Fiat Siena. 2007 Mercedes-Benz B has automatic transmission and 2010 Fiat Siena has manual transmission. 2010 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz B | 2010 Fiat Siena | |
| Make | Mercedes-Benz | Fiat |
| Model | B | Siena |
| Year Released | 2007 | 2010 |
| Body Type | Hatchback | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1991 cc | 1697 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 0 HP |
| Torque | 300 Nm | 135 Nm |
| Torque RPM | 1600 RPM | 2500 RPM |
| Engine Compression Ratio | 18.0:1 | 20.3:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 200 km/hour | 160 km/hour |
| Acceleration 0-100mph | 7.6 seconds | 16.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1374 kg | 1090 kg |
| Vehicle Length | 4280 mm | 4140 mm |
| Vehicle Width | 1780 mm | 1640 mm |
| Vehicle Height | 1610 mm | 1440 mm |
| Wheelbase Size | 2780 mm | 2380 mm |
| Fuel Consumption Overall | 5.8 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 54 L | 47 L |
