2009 Daihatsu Sirion vs. 2003 Pontiac Montana
To start off, 2009 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Pontiac Montana. In addition, the cost of maintenance, including insurance, on 2003 Pontiac Montana would be higher. At 3,392 cc (6 cylinders), 2003 Pontiac Montana is equipped with a bigger engine. In terms of performance, 2003 Pontiac Montana (185 HP @ 5200 RPM) has 99 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2003 Pontiac Montana should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Montana weights approximately 780 kg more than 2009 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. 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 Montana (285 Nm @ 4000 RPM) has 165 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2003 Pontiac Montana will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion.
Compare all specifications:
| 2009 Daihatsu Sirion | 2003 Pontiac Montana | |
| Make | Daihatsu | Pontiac |
| Model | Sirion | Montana |
| Year Released | 2009 | 2003 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1297 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 185 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 120 Nm | 285 Nm |
| Torque RPM | 3200 RPM | 4000 RPM |
| Engine Bore Size | 72 mm | 92.1 mm |
| Engine Stroke Size | 79.7 mm | 84 mm |
| Engine Compression Ratio | 10.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 940 kg | 1720 kg |
| Vehicle Length | 3610 mm | 4760 mm |
| Vehicle Width | 1560 mm | 1850 mm |
| Vehicle Height | 1670 mm | 1720 mm |
| Wheelbase Size | 2440 mm | 2850 mm |
| Fuel Tank Capacity | 40 L | 76 L |
