2008 GMC Sierra vs. 1999 Oldsmobile Aurora
To start off, 2008 GMC Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1999 Oldsmobile Aurora. In addition, the cost of maintenance, including insurance, on 1999 Oldsmobile Aurora would be higher. At 5,300 cc (8 cylinders), 2008 GMC Sierra is equipped with a bigger engine. In terms of performance, 2008 GMC Sierra (316 HP @ 5200 RPM) has 65 more horse power than 1999 Oldsmobile Aurora. (251 HP @ 5600 RPM). In normal driving conditions, 2008 GMC Sierra should accelerate faster than 1999 Oldsmobile Aurora. With that said, vehicle weight also plays an important factor in acceleration. 2008 GMC Sierra weights approximately 939 kg more than 1999 Oldsmobile Aurora. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 GMC Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1999 Oldsmobile Aurora. 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 GMC Sierra (458 Nm @ 4400 RPM) has 105 more torque (in Nm) than 1999 Oldsmobile Aurora. (353 Nm @ 4000 RPM). This means 2008 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 1999 Oldsmobile Aurora.
Compare all specifications:
| 2008 GMC Sierra | 1999 Oldsmobile Aurora | |
| Make | GMC | Oldsmobile |
| Model | Sierra | Aurora |
| Year Released | 2008 | 1999 |
| Body Type | Pickup | Sedan |
| Engine Position | Front | Front |
| Engine Size | 5300 cc | 3995 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 316 HP | 251 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 458 Nm | 353 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 2659 kg | 1720 kg |
| Vehicle Length | 6320 mm | 5220 mm |
| Vehicle Width | 2040 mm | 1900 mm |
| Vehicle Height | 1870 mm | 1410 mm |
| Wheelbase Size | 4010 mm | 2900 mm |
| Fuel Tank Capacity | 129 L | 70 L |
