2003 GMC Sierra vs. 2009 Pontiac G6
To start off, 2009 Pontiac G6 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 5,967 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 GMC Sierra (321 HP @ 5000 RPM) has 104 more horse power than 2009 Pontiac G6. (217 HP @ 5800 RPM). In normal driving conditions, 2003 GMC Sierra should accelerate faster than 2009 Pontiac G6. With that said, vehicle weight also plays an important factor in acceleration. 2003 GMC Sierra weights approximately 918 kg more than 2009 Pontiac G6. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2009 Pontiac G6. In wet, icy, snow, or gravel driving conditions, 2003 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, 2003 GMC Sierra (370 Nm @ 4000 RPM) has 76 more torque (in Nm) than 2009 Pontiac G6. (294 Nm @ 4000 RPM). This means 2003 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Pontiac G6.
Compare all specifications:
| 2003 GMC Sierra | 2009 Pontiac G6 | |
| Make | GMC | Pontiac |
| Model | Sierra | G6 |
| Year Released | 2003 | 2009 |
| Body Type | Pickup | Convertible |
| Engine Position | Front | Front |
| Engine Size | 5967 cc | 3500 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Horse Power | 321 HP | 217 HP |
| Engine RPM | 5000 RPM | 5800 RPM |
| Torque | 370 Nm | 294 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 2270 kg | 1352 kg |
| Vehicle Length | 5790 mm | 4810 mm |
| Vehicle Width | 2000 mm | 1800 mm |
| Vehicle Height | 1850 mm | 1450 mm |
| Wheelbase Size | 3650 mm | 2860 mm |
| Fuel Consumption Overall | 13.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 117 L | 61 L |
