2006 GMC Sierra vs. 1998 Oldsmobile Aurora
To start off, 2006 GMC Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Oldsmobile Aurora. In addition, the cost of maintenance, including insurance, on 1998 Oldsmobile Aurora would be higher. At 5,996 cc (8 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (345 HP @ 5200 RPM) has 94 more horse power than 1998 Oldsmobile Aurora. (251 HP @ 5600 RPM). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 1998 Oldsmobile Aurora. With that said, vehicle weight also plays an important factor in acceleration. 2006 GMC Sierra weights approximately 758 kg more than 1998 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 1998 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 (515 Nm @ 4000 RPM) has 162 more torque (in Nm) than 1998 Oldsmobile Aurora. (353 Nm @ 4000 RPM). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1998 Oldsmobile Aurora.
Compare all specifications:
| 2006 GMC Sierra | 1998 Oldsmobile Aurora | |
| Make | GMC | Oldsmobile |
| Model | Sierra | Aurora |
| Year Released | 2006 | 1998 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5996 cc | 3993 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 345 HP | 251 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 515 Nm | 353 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 102 mm | 87 mm |
| Engine Stroke Size | 92 mm | 84 mm |
| Engine Compression Ratio | 9.2:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2478 kg | 1720 kg |
| Vehicle Length | 5850 mm | 5230 mm |
| Vehicle Width | 2000 mm | 1900 mm |
| Vehicle Height | 1910 mm | 1420 mm |
| Wheelbase Size | 3650 mm | 2900 mm |
| Fuel Tank Capacity | 98 L | 70 L |
