2005 Pontiac Bonneville vs. 2012 GMC Sierra
To start off, 2012 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 2005 Pontiac Bonneville. In addition, the cost of maintenance, including insurance, on 2005 Pontiac Bonneville would be higher. At 6,000 cc (8 cylinders), 2012 GMC Sierra is equipped with a bigger engine. In terms of performance, 2012 GMC Sierra (353 HP @ 5400 RPM) has 148 more horse power than 2005 Pontiac Bonneville. (205 HP @ 5200 RPM) In normal driving conditions, 2012 GMC Sierra should accelerate faster than 2005 Pontiac Bonneville. With that said, vehicle weight also plays an important factor in acceleration. 2012 GMC Sierra weights approximately 991 kg more than 2005 Pontiac Bonneville. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 2005 Pontiac Bonneville. In wet, icy, snow, or gravel driving conditions, 2012 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, 2012 GMC Sierra (506 Nm) has 193 more torque (in Nm) than 2005 Pontiac Bonneville. (313 Nm). This means 2012 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Pontiac Bonneville.
Compare all specifications:
| 2005 Pontiac Bonneville | 2012 GMC Sierra | |
| Make | Pontiac | GMC |
| Model | Bonneville | Sierra |
| Year Released | 2005 | 2012 |
| Body Type | Sedan | Pickup |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 6000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 205 HP | 353 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 313 Nm | 506 Nm |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 3 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1668 kg | 2659 kg |
| Vehicle Length | 5150 mm | 5720 mm |
| Vehicle Width | 1890 mm | 2440 mm |
| Vehicle Height | 1440 mm | 1960 mm |
| Wheelbase Size | 2800 mm | 3380 mm |
| Fuel Consumption Overall | 10.2 L/100km | 13.8 L/100km |
| Fuel Tank Capacity | 68 L | 129 L |
