2007 Fiat Siena vs. 2009 GMC Sierra
To start off, 2009 GMC Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Fiat Siena. In addition, the cost of maintenance, including insurance, on 2007 Fiat Siena would be higher. At 5,967 cc (8 cylinders), 2009 GMC Sierra is equipped with a bigger engine. In terms of performance, 2009 GMC Sierra (327 HP @ 5100 RPM) has 227 more horse power than 2007 Fiat Siena. (100 HP @ 5500 RPM) In normal driving conditions, 2009 GMC Sierra should accelerate faster than 2007 Fiat Siena.
Because 2009 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2007 Fiat Siena, being front wheel drive (FWD), will offer much better control with better grip. 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, 2009 GMC Sierra (367 Nm @ 4100 RPM) has 227 more torque (in Nm) than 2007 Fiat Siena. (140 Nm @ 4000 RPM). This means 2009 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena. 2009 GMC Sierra has automatic transmission and 2007 Fiat Siena has manual transmission. 2007 Fiat Siena will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Fiat Siena | 2009 GMC Sierra | |
| Make | Fiat | GMC |
| Model | Siena | Sierra |
| Year Released | 2007 | 2009 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 5967 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 100 HP | 327 HP |
| Engine RPM | 5500 RPM | 5100 RPM |
| Torque | 140 Nm | 367 Nm |
| Torque RPM | 4000 RPM | 4100 RPM |
| Engine Compression Ratio | 9.5:1 | 10.8:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Wheelbase Size | 2380 mm | 2950 mm |
| Fuel Tank Capacity | 54 L | 98 L |
