2008 Fiat Siena vs. 2006 GMC Sierra
To start off, 2008 Fiat Siena is newer by 2 year(s). Which means there will be less support and parts availability for 2006 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2006 GMC Sierra would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1365 kg more than 2008 Fiat Siena.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Fiat Siena. In wet, icy, snow, or gravel driving conditions, 2006 GMC Sierra 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, 2006 GMC Sierra (488 Nm @ 4000 RPM) has 386 more torque (in Nm) than 2008 Fiat Siena. (102 Nm @ 3250 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Fiat Siena.
Compare all specifications:
| 2008 Fiat Siena | 2006 GMC Sierra | |
| Make | Fiat | GMC |
| Model | Siena | Sierra |
| Year Released | 2008 | 2006 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 1242 cc | 5965 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 0 HP | 301 HP |
| Torque | 102 Nm | 488 Nm |
| Torque RPM | 3250 RPM | 4000 RPM |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1070 kg | 2435 kg |
| Vehicle Length | 3830 mm | 6570 mm |
| Vehicle Width | 1640 mm | 2030 mm |
| Vehicle Height | 1440 mm | 1960 mm |
| Wheelbase Size | 2380 mm | 4250 mm |
| Fuel Consumption Overall | 7.8 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 54 L | 129 L |
