2003 Buick Rainier vs. 2010 GMC Sierra
To start off, 2010 GMC Sierra is newer by 7 year(s). Which means there will be less support and parts availability for 2003 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2003 Buick Rainier would be higher. At 4,800 cc (8 cylinders), 2010 GMC Sierra is equipped with a bigger engine. In terms of performance, 2010 GMC Sierra (302 HP @ 5600 RPM) has 31 more horse power than 2003 Buick Rainier. (271 HP @ 6000 RPM) In normal driving conditions, 2010 GMC Sierra should accelerate faster than 2003 Buick Rainier. With that said, vehicle weight also plays an important factor in acceleration. 2010 GMC Sierra weights approximately 218 kg more than 2003 Buick Rainier. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2010 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2003 Buick Rainier 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, 2010 GMC Sierra (413 Nm @ 4600 RPM) has 40 more torque (in Nm) than 2003 Buick Rainier. (373 Nm @ 3600 RPM). This means 2010 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Buick Rainier.
Compare all specifications:
| 2003 Buick Rainier | 2010 GMC Sierra | |
| Make | Buick | GMC |
| Model | Rainier | Sierra |
| Year Released | 2003 | 2010 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 4800 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 271 HP | 302 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 373 Nm | 413 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Fuel Type | Gasoline | Flex Fuel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 2100 kg | 2318 kg |
| Vehicle Length | 4920 mm | 5847 mm |
| Vehicle Width | 1920 mm | 2032 mm |
| Vehicle Height | 1900 mm | 1875 mm |
| Wheelbase Size | 2880 mm | 3645 mm |
| Fuel Tank Capacity | 83 L | 98 L |
