2006 GMC Sierra vs. 2008 GMC Sierra
To start off, 2008 GMC Sierra 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 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (353 HP @ 5400 RPM) has 58 more horse power than 2006 GMC Sierra. (295 HP @ 5200 RPM) In normal driving conditions, 2008 GMC Sierra should accelerate faster than 2006 GMC Sierra.
Let's talk about torque, 2008 GMC Sierra (506 Nm @ 4400 RPM) has 52 more torque (in Nm) than 2006 GMC Sierra. (454 Nm @ 4000 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 GMC Sierra.
Compare all specifications:
| 2006 GMC Sierra | 2008 GMC Sierra | |
| Make | GMC | GMC |
| Model | Sierra | Sierra |
| Year Released | 2006 | 2008 |
| Body Type | Pickup | Pickup |
| Engine Position | Front | Front |
| Engine Size | 5358 cc | 5999 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 295 HP | 353 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 454 Nm | 506 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Gasoline / Electric Hybrid | Gasoline |
| Number of Seats | 6 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Length | 5850 mm | 5710 mm |
| Vehicle Width | 2000 mm | 2040 mm |
| Vehicle Height | 1810 mm | 1940 mm |
| Wheelbase Size | 3650 mm | 3380 mm |
| Fuel Consumption Overall | 12.4 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 98 L | 129 L |
