2003 Fiat Siena vs. 2012 Mercedes-Benz A
To start off, 2012 Mercedes-Benz A 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 1,991 cc (4 cylinders), 2012 Mercedes-Benz A is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz A (81 HP @ 4200 RPM) has 22 more horse power than 2003 Fiat Siena. (59 HP @ 5200 RPM) In normal driving conditions, 2012 Mercedes-Benz A should accelerate faster than 2003 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz A weights approximately 286 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.
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 A (180 Nm @ 1400 RPM) has 77 more torque (in Nm) than 2003 Fiat Siena. (103 Nm @ 2500 RPM). This means 2012 Mercedes-Benz A 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 A | |
| Make | Fiat | Mercedes-Benz |
| Model | Siena | A |
| Year Released | 2003 | 2012 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1301 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 59 HP | 81 HP |
| Engine RPM | 5200 RPM | 4200 RPM |
| Torque | 103 Nm | 180 Nm |
| Torque RPM | 2500 RPM | 1400 RPM |
| Engine Bore Size | 70.8 mm | 83 mm |
| Engine Stroke Size | 78.9 mm | 92 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1040 kg | 1326 kg |
| Vehicle Length | 4110 mm | 3840 mm |
| Vehicle Width | 1630 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1600 mm |
| Wheelbase Size | 2380 mm | 2570 mm |
