2008 GMC Sierra vs. 2008 Pontiac G8
To start off, both 2008 GMC Sierra and 2008 Pontiac G8 were released in the same year (2008). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 5,999 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 Pontiac G8 (362 HP @ 5700 RPM) has 9 more horse power than 2008 GMC Sierra. (353 HP @ 5400 RPM) In normal driving conditions, 2008 Pontiac G8 should accelerate faster than 2008 GMC Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 789 kg more than 2008 Pontiac G8.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2008 Pontiac G8. 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 Pontiac G8 (530 Nm @ 4400 RPM) has 24 more torque (in Nm) than 2008 GMC Sierra. (506 Nm @ 4400 RPM). This means 2008 Pontiac G8 will have an easier job in driving up hills or pulling heavy equipment than 2008 GMC Sierra. 2008 GMC Sierra has automatic transmission and 2008 Pontiac G8 has manual transmission. 2008 Pontiac G8 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 GMC Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 GMC Sierra | 2008 Pontiac G8 | |
| Make | GMC | Pontiac |
| Model | Sierra | G8 |
| Year Released | 2008 | 2008 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5999 cc | 5967 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 353 HP | 362 HP |
| Engine RPM | 5400 RPM | 5700 RPM |
| Torque | 506 Nm | 530 Nm |
| Torque RPM | 4400 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2141 kg | 1352 kg |
| Vehicle Length | 6580 mm | 4990 mm |
| Vehicle Width | 2040 mm | 1910 mm |
| Vehicle Height | 1960 mm | 1470 mm |
| Wheelbase Size | 4250 mm | 2920 mm |
| Fuel Consumption Overall | 13.8 L/100km | 11.4 L/100km |
| Fuel Tank Capacity | 129 L | 64 L |
