2007 Mercedes-Benz G vs. 2009 Fiat Siena
To start off, 2009 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz G. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz G would be higher. At 3,996 cc (8 cylinders), 2007 Mercedes-Benz G is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz G weights approximately 1420 kg more than 2009 Fiat Siena.
Because 2007 Mercedes-Benz G is four wheel drive (4WD), it will have significant more traction and grip than 2009 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz G 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, 2007 Mercedes-Benz G (560 Nm @ 1700 RPM) has 458 more torque (in Nm) than 2009 Fiat Siena. (102 Nm @ 3250 RPM). This means 2007 Mercedes-Benz G will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena. 2007 Mercedes-Benz G has automatic transmission and 2009 Fiat Siena has manual transmission. 2009 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz G will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz G | 2009 Fiat Siena | |
| Make | Mercedes-Benz | Fiat |
| Model | G | Siena |
| Year Released | 2007 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3996 cc | 1242 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 248 HP | 0 HP |
| Torque | 560 Nm | 102 Nm |
| Torque RPM | 1700 RPM | 3250 RPM |
| Engine Compression Ratio | 19.0:1 | 9.1:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 180 km/hour | 159 km/hour |
| Acceleration 0-100mph | 10.3 seconds | 13.5 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 2490 kg | 1070 kg |
| Vehicle Length | 4670 mm | 3830 mm |
| Vehicle Width | 1870 mm | 1640 mm |
| Vehicle Height | 1940 mm | 1440 mm |
| Wheelbase Size | 2860 mm | 2380 mm |
| Fuel Consumption Overall | 12.8 L/100km | 7.8 L/100km |
| Fuel Tank Capacity | 96 L | 54 L |
