2007 GMC Sierra vs. 2005 Oldsmobile Aurora
To start off, 2007 GMC Sierra is newer by 2 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 5,998 cc (8 cylinders), 2007 GMC Sierra is equipped with a bigger engine. In terms of performance, 2007 GMC Sierra (345 HP @ 5200 RPM) has 97 more horse power than 2005 Oldsmobile Aurora. (248 HP @ 5600 RPM). In normal driving conditions, 2007 GMC Sierra should accelerate faster than 2005 Oldsmobile Aurora.
Because 2007 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, 2007 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, 2007 GMC Sierra (515 Nm @ 4000 RPM) has 162 more torque (in Nm) than 2005 Oldsmobile Aurora. (353 Nm @ 4400 RPM). This means 2007 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2005 Oldsmobile Aurora.
Compare all specifications:
| 2007 GMC Sierra | 2005 Oldsmobile Aurora | |
| Make | GMC | Oldsmobile |
| Model | Sierra | Aurora |
| Year Released | 2007 | 2005 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5998 cc | 3995 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 248 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 515 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5850 mm | 5070 mm |
| Vehicle Width | 2000 mm | 1860 mm |
| Vehicle Height | 1910 mm | 1450 mm |
| Wheelbase Size | 3650 mm | 2860 mm |
