2006 GMC Sierra vs. 2003 Pontiac Aztek
To start off, 2006 GMC Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Pontiac Aztek. In addition, the cost of maintenance, including insurance, on 2003 Pontiac Aztek would be higher. At 4,294 cc (6 cylinders), 2006 GMC Sierra is equipped with a bigger engine. In terms of performance, 2006 GMC Sierra (195 HP) has 19 more horse power than 2003 Pontiac Aztek. (176 HP). In normal driving conditions, 2006 GMC Sierra should accelerate faster than 2003 Pontiac Aztek.
Because 2003 Pontiac Aztek is four wheel drive (4WD), it will have significant more traction and grip than 2006 GMC Sierra. In wet, icy, snow, or gravel driving conditions, 2003 Pontiac Aztek 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 (354 Nm) has 56 more torque (in Nm) than 2003 Pontiac Aztek. (298 Nm). This means 2006 GMC Sierra will have an easier job in driving up hills or pulling heavy equipment than 2003 Pontiac Aztek.
Compare all specifications:
| 2006 GMC Sierra | 2003 Pontiac Aztek | |
| Make | GMC | Pontiac |
| Model | Sierra | Aztek |
| Year Released | 2006 | 2003 |
| Body Type | Pickup | Crossover |
| Engine Position | Front | Front |
| Engine Size | 4294 cc | 3392 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 195 HP | 176 HP |
| Torque | 354 Nm | 298 Nm |
| Engine Bore Size | 102 mm | 92 mm |
| Engine Stroke Size | 88 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 6 seats | 5 seats |
| Vehicle Length | 5850 mm | 4630 mm |
| Vehicle Width | 2000 mm | 1880 mm |
| Vehicle Height | 1850 mm | 1700 mm |
| Wheelbase Size | 3650 mm | 2760 mm |
