2003 Oldsmobile Alero vs. 2013 GMC Sierra
To start off, 2013 GMC Sierra is newer by 10 year(s). Which means there will be less support and parts availability for 2003 Oldsmobile Alero. In addition, the cost of maintenance, including insurance, on 2003 Oldsmobile Alero would be higher. At 5,300 cc (8 cylinders), 2013 GMC Sierra is equipped with a bigger engine. In terms of performance, 2013 GMC Sierra (322 HP @ 5300 RPM) has 183 more horse power than 2003 Oldsmobile Alero. (139 HP @ 5600 RPM) In normal driving conditions, 2013 GMC Sierra should accelerate faster than 2003 Oldsmobile Alero. With that said, vehicle weight also plays an important factor in acceleration. 2013 GMC Sierra weights approximately 1025 kg more than 2003 Oldsmobile Alero. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 GMC Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2013 GMC Sierra. However, in wet, icy, snow, or gravel driving conditions, 2003 Oldsmobile Alero, being front wheel drive (FWD), will offer much better control with better grip. 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, 2013 GMC Sierra (472 Nm @ 4400 RPM) has 269 more torque (in Nm) than 2003 Oldsmobile Alero. (203 Nm @ 4000 RPM). This means 2013 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Oldsmobile Alero.
Compare all specifications:
| 2003 Oldsmobile Alero | 2013 GMC Sierra | |
| Make | Oldsmobile | GMC |
| Model | Alero | Sierra |
| Year Released | 2003 | 2013 |
| Body Type | Coupe | Pickup |
| Engine Position | Front | Front |
| Engine Size | 2196 cc | 5300 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 139 HP | 322 HP |
| Engine RPM | 5600 RPM | 5300 RPM |
| Torque | 203 Nm | 472 Nm |
| Torque RPM | 4000 RPM | 4400 RPM |
| Engine Bore Size | 86 mm | 96 mm |
| Engine Stroke Size | 94 mm | 92 mm |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 6-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1360 kg | 2385 kg |
| Vehicle Length | 4750 mm | 6330 mm |
| Vehicle Width | 1790 mm | 2031 mm |
| Vehicle Height | 1390 mm | 1869 mm |
| Wheelbase Size | 2720 mm | 4000 mm |
| Fuel Tank Capacity | 53 L | 129 L |
