2007 Fiat Siena vs. 2005 GMC Sierra
To start off, 2007 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2005 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2005 GMC Sierra would be higher. At 5,359 cc (8 cylinders), 2005 GMC Sierra is equipped with a bigger engine. In terms of performance, 2005 GMC Sierra (295 HP) has 195 more horse power than 2007 Fiat Siena. (100 HP) In normal driving conditions, 2005 GMC Sierra should accelerate faster than 2007 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2005 GMC Sierra weights approximately 1245 kg more than 2007 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 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, 2005 GMC Sierra (454 Nm) has 314 more torque (in Nm) than 2007 Fiat Siena. (140 Nm). This means 2005 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2007 Fiat Siena.
Compare all specifications:
| 2007 Fiat Siena | 2005 GMC Sierra | |
| Make | Fiat | GMC |
| Model | Siena | Sierra |
| Year Released | 2007 | 2005 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1581 cc | 5359 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 100 HP | 295 HP |
| Torque | 140 Nm | 454 Nm |
| Engine Compression Ratio | 9.5:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 2315 kg |
| Vehicle Width | 1640 mm | 2000 mm |
| Wheelbase Size | 2380 mm | 3650 mm |
| Fuel Consumption Overall | 8.2 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 54 L | 98 L |
