2003 Opel Astra vs. 2003 Pontiac Montana
To start off, both 2003 Opel Astra and 2003 Pontiac Montana were released in the same year (2003). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 103 more horse power than 2003 Opel Astra. (82 HP @ 4400 RPM) In normal driving conditions, 2003 Pontiac Montana should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Pontiac Montana weights approximately 335 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.
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 100 more torque (in Nm) than 2003 Opel Astra. (185 Nm @ 1500 RPM). This means 2003 Pontiac Montana will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2003 Opel Astra | 2003 Pontiac Montana | |
| Make | Opel | Pontiac |
| Model | Astra | Montana |
| Year Released | 2003 | 2003 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1998 cc | 3392 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 82 HP | 185 HP |
| Engine RPM | 4400 RPM | 5200 RPM |
| Torque | 185 Nm | 285 Nm |
| Torque RPM | 1500 RPM | 4000 RPM |
| Engine Bore Size | 84 mm | 92.1 mm |
| Engine Stroke Size | 90 mm | 84 mm |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1720 kg |
| Vehicle Length | 4260 mm | 4760 mm |
| Vehicle Width | 1700 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1720 mm |
| Wheelbase Size | 2620 mm | 2850 mm |
| Fuel Tank Capacity | 52 L | 76 L |
