2003 Opel Astra vs. 2002 Pontiac Aztek
To start off, 2003 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Pontiac Aztek. In addition, the cost of maintenance, including insurance, on 2002 Pontiac Aztek would be higher. At 3,392 cc (6 cylinders), 2002 Pontiac Aztek is equipped with a bigger engine. In terms of performance, 2002 Pontiac Aztek (176 HP @ 5200 RPM) has 31 more horse power than 2003 Opel Astra. (145 HP @ 5800 RPM) In normal driving conditions, 2002 Pontiac Aztek should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2002 Pontiac Aztek weights approximately 532 kg more than 2003 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2002 Pontiac Aztek is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2002 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, 2002 Pontiac Aztek (298 Nm @ 4000 RPM) has 95 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2002 Pontiac Aztek will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2002 Pontiac Aztek | |
| Make | Opel | Pontiac |
| Model | Astra | Aztek |
| Year Released | 2003 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 176 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 203 Nm | 298 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 92 mm |
| Engine Stroke Size | 94.6 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 8.6:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1298 kg | 1830 kg |
| Vehicle Length | 4120 mm | 4630 mm |
| Vehicle Width | 1720 mm | 1880 mm |
| Vehicle Height | 1430 mm | 1700 mm |
| Wheelbase Size | 2500 mm | 2760 mm |
| Fuel Tank Capacity | 52 L | 69 L |
