2006 Buick Rainier vs. 2003 GMC Sierra
To start off, 2006 Buick Rainier is newer by 3 year(s). Which means there will be less support and parts availability for 2003 GMC Sierra. In addition, the cost of maintenance, including insurance, on 2003 GMC Sierra would be higher. At 4,816 cc (8 cylinders), 2003 GMC Sierra is equipped with a bigger engine. In terms of performance, 2003 GMC Sierra (275 HP) has 4 more horse power than 2006 Buick Rainier. (271 HP) In normal driving conditions, 2003 GMC Sierra should accelerate faster than 2006 Buick Rainier.
Because 2006 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2003 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2006 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, 2003 GMC Sierra (386 Nm) has 10 more torque (in Nm) than 2006 Buick Rainier. (376 Nm). This means 2003 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 Buick Rainier. 2006 Buick Rainier has automatic transmission and 2003 GMC Sierra has manual transmission. 2003 GMC Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Buick Rainier will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Buick Rainier | 2003 GMC Sierra | |
| Make | Buick | GMC |
| Model | Rainier | Sierra |
| Year Released | 2006 | 2003 |
| Body Type | SUV | Pickup |
| Engine Position | Front | Front |
| Engine Size | 4194 cc | 4816 cc |
| Horse Power | 271 HP | 275 HP |
| Torque | 376 Nm | 386 Nm |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 3 seats |
| Vehicle Length | 4920 mm | 5650 mm |
| Vehicle Width | 1920 mm | 2000 mm |
| Vehicle Height | 1900 mm | 1810 mm |
| Wheelbase Size | 2880 mm | 3380 mm |
