2006 GMC Sierra vs. 2005 GMC Sierra
To start off, 2006 GMC Sierra is newer by 1 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 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP) has 50 more horse power than 2005 GMC Sierra. (295 HP). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 215 kg more than 2005 GMC Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 GMC Sierra. 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 (515 Nm) has 61 more torque (in Nm) than 2005 GMC Sierra. (454 Nm). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2006 GMC Sierra | 2005 GMC Sierra | |
| Make | GMC | GMC |
| Model | Sierra | Sierra |
| Year Released | 2006 | 2005 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5996 cc | 5358 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 345 HP | 295 HP |
| Torque | 515 Nm | 454 Nm |
| Engine Bore Size | 102 mm | 96 mm |
| Engine Stroke Size | 92 mm | 92 mm |
| Engine Compression Ratio | 9.2:1 | 9.5:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2478 kg | 2263 kg |
| Vehicle Length | 5850 mm | 5850 mm |
| Vehicle Width | 2000 mm | 2000 mm |
| Vehicle Height | 1910 mm | 1850 mm |
| Wheelbase Size | 3650 mm | 3650 mm |
| Fuel Consumption Highway | 13.8 L/100km | 11.8 L/100km |
| Fuel Consumption City | 18.1 L/100km | 14.7 L/100km |
| Fuel Consumption Overall | 15.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 98 L | 98 L |
