2006 GMC Sierra vs. 2008 Pontiac G6
To start off, 2008 Pontiac G6 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 5,326 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (295 HP @ 5200 RPM) has 43 more horse power than 2008 Pontiac G6. (252 HP @ 6300 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2008 Pontiac G6. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 1307 kg more than 2008 Pontiac G6. 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 2008 Pontiac G6. 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 (454 Nm @ 4000 RPM) has 114 more torque (in Nm) than 2008 Pontiac G6. (340 Nm @ 3200 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2008 Pontiac G6.
Compare all specifications:
| 2006 GMC Sierra | 2008 Pontiac G6 | |
| Make | GMC | Pontiac |
| Model | Sierra | G6 |
| Year Released | 2006 | 2008 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5326 cc | 3600 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 295 HP | 252 HP |
| Engine RPM | 5200 RPM | 6300 RPM |
| Torque | 454 Nm | 340 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2659 kg | 1352 kg |
| Vehicle Length | 6330 mm | 4810 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1880 mm | 1460 mm |
| Wheelbase Size | 4010 mm | 2860 mm |
| Fuel Consumption Overall | 14.7 L/100km | 9.2 L/100km |
| Fuel Tank Capacity | 129 L | 62 L |
