1999 Opel Astra vs. 2003 Pontiac Aztek
To start off, 2003 Pontiac Aztek is newer by 4 year(s). Which means there will be less support and parts availability for 1999 Opel Astra. In addition, the cost of maintenance, including insurance, on 1999 Opel Astra 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 88 more horse power than 1999 Opel Astra. (88 HP @ 6000 RPM) In normal driving conditions, 2003 Pontiac Aztek should accelerate faster than 1999 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Aztek weights approximately 640 kg more than 1999 Opel Astra. 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 1999 Opel Astra. 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 173 more torque (in Nm) than 1999 Opel Astra. (125 Nm @ 4000 RPM). This means 2003 Pontiac Aztek will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Astra. 2003 Pontiac Aztek has automatic transmission and 1999 Opel Astra has manual transmission. 1999 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Pontiac Aztek will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Opel Astra | 2003 Pontiac Aztek | |
| Make | Opel | Pontiac |
| Model | Astra | Aztek |
| Year Released | 1999 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 1389 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 88 HP | 176 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 125 Nm | 298 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 77.6 mm | 92 mm |
| Engine Stroke Size | 73.4 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1190 kg | 1830 kg |
| Vehicle Length | 4300 mm | 4630 mm |
| Vehicle Width | 1720 mm | 1880 mm |
| Vehicle Height | 1470 mm | 1700 mm |
| Wheelbase Size | 2620 mm | 2760 mm |
