2003 Fiat Siena vs. 2012 Mercedes-Benz B
To start off, 2012 Mercedes-Benz B is newer by 9 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 1,595 cc (4 cylinders), 2012 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz B (156 HP @ 5300 RPM) has 86 more horse power than 2003 Fiat Siena. (70 HP @ 5750 RPM) In normal driving conditions, 2012 Mercedes-Benz B should accelerate faster than 2003 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, 2012 Mercedes-Benz B (250 Nm @ 1250 RPM) has 155 more torque (in Nm) than 2003 Fiat Siena. (95 Nm @ 4000 RPM). This means 2012 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2003 Fiat Siena.
Compare all specifications:
| 2003 Fiat Siena | 2012 Mercedes-Benz B | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | B |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 999 cc | 1595 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 70 HP | 156 HP |
| Engine RPM | 5750 RPM | 5300 RPM |
| Torque | 95 Nm | 250 Nm |
| Torque RPM | 4000 RPM | 1250 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4110 mm | 4359 mm |
| Vehicle Width | 1630 mm | 1786 mm |
| Vehicle Height | 1470 mm | 1557 mm |
| Wheelbase Size | 2380 mm | 2699 mm |
