2011 Tata Sumo vs. 2009 Fiat Siena
To start off, 2011 Tata Sumo is newer by 2 year(s). Which means there will be less support and parts availability for 2009 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2009 Fiat Siena would be higher. At 2,956 cc (4 cylinders), 2011 Tata Sumo is equipped with a bigger engine. In terms of performance, 2009 Fiat Siena (106 HP @ 5500 RPM) has 37 more horse power than 2011 Tata Sumo. (69 HP @ 3000 RPM) In normal driving conditions, 2009 Fiat Siena should accelerate faster than 2011 Tata Sumo. With that said, vehicle weight also plays an important factor in acceleration. 2011 Tata Sumo weights approximately 705 kg more than 2009 Fiat Siena.
Because 2011 Tata Sumo 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, 2011 Tata Sumo 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, 2011 Tata Sumo (223 Nm @ 1600 RPM) has 83 more torque (in Nm) than 2009 Fiat Siena. (140 Nm @ 4000 RPM). This means 2011 Tata Sumo will have an easier job in driving up hills or pulling heavy equipment than 2009 Fiat Siena.
Compare all specifications:
| 2011 Tata Sumo | 2009 Fiat Siena | |
| Make | Tata | Fiat |
| Model | Sumo | Siena |
| Year Released | 2011 | 2009 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2956 cc | 1581 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 69 HP | 106 HP |
| Engine RPM | 3000 RPM | 5500 RPM |
| Torque | 223 Nm | 140 Nm |
| Torque RPM | 1600 RPM | 4000 RPM |
| Engine Compression Ratio | 19.0:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1800 kg | 1095 kg |
| Vehicle Length | 4258 mm | 3550 mm |
| Vehicle Width | 1726 mm | 1640 mm |
| Vehicle Height | 1925 mm | 1490 mm |
| Wheelbase Size | 2425 mm | 2370 mm |
