2006 GMC Sierra vs. 2005 Oldsmobile Aurora
To start off, 2006 GMC Sierra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Oldsmobile Aurora. In addition, the cost of maintenance, including insurance, on 2005 Oldsmobile Aurora would be higher. At 5,965 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (300 HP @ 4400 RPM) has 52 more horse power than 2005 Oldsmobile Aurora. (248 HP @ 5600 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2005 Oldsmobile Aurora. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 711 kg more than 2005 Oldsmobile Aurora. 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 2005 Oldsmobile Aurora. 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 (488 Nm @ 4000 RPM) has 135 more torque (in Nm) than 2005 Oldsmobile Aurora. (353 Nm @ 4400 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Oldsmobile Aurora.
Compare all specifications:
| 2006 GMC Sierra | 2005 Oldsmobile Aurora | |
| Make | GMC | Oldsmobile |
| Model | Sierra | Aurora |
| Year Released | 2006 | 2005 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5965 cc | 3995 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 300 HP | 248 HP |
| Engine RPM | 4400 RPM | 5600 RPM |
| Torque | 488 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Drive Type | 4WD | Front |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2436 kg | 1725 kg |
| Vehicle Length | 6570 mm | 5070 mm |
| Vehicle Width | 2450 mm | 1860 mm |
| Vehicle Height | 1970 mm | 1450 mm |
| Wheelbase Size | 4250 mm | 2860 mm |
