2004 GMC Sierra vs. 2006 GMC Sierra
To start off, 2006 GMC Sierra is newer by 2 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 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP) has 20 more horse power than 2004 GMC Sierra. (325 HP) In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2004 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 204 kg more than 2004 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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 (515 Nm) has 13 more torque (in Nm) than 2004 GMC Sierra. (502 Nm). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 GMC Sierra.
Compare all specifications:
| 2004 GMC Sierra | 2006 GMC Sierra | |
| Make | GMC | GMC |
| Model | Sierra | Sierra |
| Year Released | 2004 | 2006 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5963 cc | 5996 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 325 HP | 345 HP |
| Torque | 502 Nm | 515 Nm |
| Engine Bore Size | 102 mm | 102 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Engine Compression Ratio | 9.4:1 | 9.2:1 |
| Drive Type | 4WD | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2274 kg | 2478 kg |
| Vehicle Length | 5790 mm | 5850 mm |
| Vehicle Width | 2130 mm | 2000 mm |
| Vehicle Height | 1880 mm | 1910 mm |
| Wheelbase Size | 3650 mm | 3650 mm |
| Fuel Consumption | 13.8 L/100km | 13.8 L/100km |
| Fuel Consumption City | 18.1 L/100km | 18.1 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 102 L | 98 L |
