2007 GMC Acadia vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 4 year(s). Which means there will be less support and parts availability for 2007 GMC Acadia. In addition, the cost of maintenance, including insurance, on 2007 GMC Acadia would be higher. At 3,563 cc (6 cylinders), 2007 GMC Acadia is equipped with a bigger engine.
Because 2007 GMC Acadia is four wheel drive (4WD), it will have significant more traction and grip than 2011 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2007 GMC Acadia 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 GMC Acadia (340 Nm @ 3200 RPM) has 205 more torque (in Nm) than 2011 Fiat Siena. (135 Nm @ 2500 RPM). This means 2007 GMC Acadia will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena. 2007 GMC Acadia has automatic transmission and 2011 Fiat Siena has manual transmission. 2011 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 GMC Acadia will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 GMC Acadia | 2011 Fiat Siena | |
| Make | GMC | Fiat |
| Model | Acadia | Siena |
| Year Released | 2007 | 2011 |
| Body Type | SUV | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 1697 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 275 HP | 0 HP |
| Torque | 340 Nm | 135 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 7 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Length | 5110 mm | 4140 mm |
| Vehicle Width | 2010 mm | 1640 mm |
| Vehicle Height | 1860 mm | 1440 mm |
| Wheelbase Size | 3030 mm | 2380 mm |
| Fuel Consumption Overall | 10.2 L/100km | 6.9 L/100km |
| Fuel Tank Capacity | 83 L | 47 L |
