2004 Opel Vectra vs. 2003 Pontiac Aztek
To start off, 2004 Opel Vectra is newer by 1 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 3,392 cc (6 cylinders), 2003 Pontiac Aztek is equipped with a bigger engine. In terms of performance, 2003 Pontiac Aztek (176 HP @ 5200 RPM) has 24 more horse power than 2004 Opel Vectra. (152 HP @ 5600 RPM) In normal driving conditions, 2003 Pontiac Aztek should accelerate faster than 2004 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Aztek weights approximately 280 kg more than 2004 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 Pontiac Aztek is four wheel drive (4WD), it will have significant more traction and grip than 2004 Opel Vectra. 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, 2003 Pontiac Aztek (298 Nm @ 4000 RPM) has 75 more torque (in Nm) than 2004 Opel Vectra. (223 Nm @ 3800 RPM). This means 2003 Pontiac Aztek will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Vectra.
Compare all specifications:
| 2004 Opel Vectra | 2003 Pontiac Aztek | |
| Make | Opel | Pontiac |
| Model | Vectra | Aztek |
| Year Released | 2004 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2198 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 152 HP | 176 HP |
| Engine RPM | 5600 RPM | 5200 RPM |
| Torque | 223 Nm | 298 Nm |
| Torque RPM | 3800 RPM | 4000 RPM |
| Engine Compression Ratio | 12.0:1 | 8.6:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Front | 4WD |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1550 kg | 1830 kg |
| Vehicle Length | 4830 mm | 4630 mm |
| Vehicle Width | 1800 mm | 1880 mm |
| Vehicle Height | 1510 mm | 1700 mm |
| Wheelbase Size | 2840 mm | 2760 mm |
| Fuel Tank Capacity | 60 L | 69 L |
