2008 Daihatsu Sirion vs. 2003 Pontiac Aztek
To start off, 2008 Daihatsu Sirion is newer by 5 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 74 more horse power than 2008 Daihatsu Sirion. (102 HP @ 6000 RPM) In normal driving conditions, 2003 Pontiac Aztek should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Aztek weights approximately 865 kg more than 2008 Daihatsu Sirion. 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 2008 Daihatsu Sirion. 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 165 more torque (in Nm) than 2008 Daihatsu Sirion. (133 Nm @ 4400 RPM). This means 2003 Pontiac Aztek will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion. 2003 Pontiac Aztek has automatic transmission and 2008 Daihatsu Sirion has manual transmission. 2008 Daihatsu Sirion 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:
| 2008 Daihatsu Sirion | 2003 Pontiac Aztek | |
| Make | Daihatsu | Pontiac |
| Model | Sirion | Aztek |
| Year Released | 2008 | 2003 |
| Body Type | Hatchback | Crossover |
| Engine Position | Front | Front |
| Engine Size | 1495 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 102 HP | 176 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 133 Nm | 298 Nm |
| Torque RPM | 4400 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 92 mm |
| Engine Stroke Size | 91.8 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 965 kg | 1830 kg |
| Vehicle Length | 3400 mm | 4630 mm |
| Vehicle Height | 1250 mm | 1700 mm |
| Wheelbase Size | 2440 mm | 2760 mm |
| Fuel Tank Capacity | 40 L | 69 L |
