2004 GMC Sierra vs. 2011 Fiat Siena
To start off, 2011 Fiat Siena is newer by 7 year(s). Which means there will be less support and parts availability for 2004 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2004 GMC Sierra would be higher. At 5,964 cc (8 cylinders), 2004 GMC Sierra is equipped with a bigger engine. In terms of performance, 2004 GMC Sierra (300 HP) has 200 more horse power than 2011 Fiat Siena. (100 HP). In normal driving conditions, 2004 GMC Sierra should accelerate faster than 2011 Fiat Siena. With that said, vehicle weight also plays an important factor in acceleration. 2004 GMC Sierra weights approximately 1263 kg more than 2011 Fiat Siena. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 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 2004 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2011 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, 2004 GMC Sierra (488 Nm) has 414 more torque (in Nm) than 2011 Fiat Siena. (74 Nm). This means 2004 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2011 Fiat Siena.
Compare all specifications:
| 2004 GMC Sierra | 2011 Fiat Siena | |
| Make | GMC | Fiat |
| Model | Sierra | Siena |
| Year Released | 2004 | 2011 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5964 cc | 1581 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 300 HP | 100 HP |
| Torque | 488 Nm | 74 Nm |
| Engine Bore Size | 102 mm | 86.4 mm |
| Engine Stroke Size | 92 mm | 67.4 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Drive Type | Rear | Front |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2337 kg | 1074 kg |
| Vehicle Length | 5650 mm | 3550 mm |
| Vehicle Width | 2030 mm | 1640 mm |
| Vehicle Height | 1940 mm | 1440 mm |
| Wheelbase Size | 3380 mm | 2380 mm |
| Fuel Tank Capacity | 129 L | 54 L |
