2008 GMC Sierra vs. 2005 GMC Sierra
To start off, 2008 GMC Sierra is newer by 3 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 6,000 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (364 HP) has 69 more horse power than 2005 GMC Sierra. (295 HP). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2005 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 344 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 2008 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, 2008 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, 2008 GMC Sierra (506 Nm) has 52 more torque (in Nm) than 2005 GMC Sierra. (454 Nm). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 GMC Sierra.
Compare all specifications:
| 2008 GMC Sierra | 2005 GMC Sierra | |
| Make | GMC | GMC |
| Model | Sierra | Sierra |
| Year Released | 2008 | 2005 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 6000 cc | 5359 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 364 HP | 295 HP |
| Torque | 506 Nm | 454 Nm |
| Engine Compression Ratio | 10.2:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline / Electric Hybrid |
| Drive Type | 4WD | Rear |
| Number of Seats | 3 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2659 kg | 2315 kg |
| Vehicle Length | 5710 mm | 5850 mm |
| Vehicle Width | 2040 mm | 2000 mm |
| Vehicle Height | 1940 mm | 1810 mm |
| Wheelbase Size | 3380 mm | 3650 mm |
| Fuel Consumption Overall | 13.1 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 129 L | 98 L |
