1998 Opel Astra vs. 2004 Pontiac Montana
To start off, 2004 Pontiac Montana is newer by 6 year(s). Which means there will be less support and parts availability for 1998 Opel Astra. In addition, the cost of maintenance, including insurance, on 1998 Opel Astra would be higher. At 3,392 cc (6 cylinders), 2004 Pontiac Montana is equipped with a bigger engine. In terms of performance, 2004 Pontiac Montana (185 HP @ 5200 RPM) has 96 more horse power than 1998 Opel Astra. (89 HP @ 6000 RPM) In normal driving conditions, 2004 Pontiac Montana should accelerate faster than 1998 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Pontiac Montana weights approximately 860 kg more than 1998 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Pontiac Montana is four wheel drive (4WD), it will have significant more traction and grip than 1998 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Pontiac Montana 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, 2004 Pontiac Montana (298 Nm) has 173 more torque (in Nm) than 1998 Opel Astra. (125 Nm). This means 2004 Pontiac Montana will have an easier job in driving up hills or pulling heavy equipment than 1998 Opel Astra. 2004 Pontiac Montana has automatic transmission and 1998 Opel Astra has manual transmission. 1998 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Pontiac Montana will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Opel Astra | 2004 Pontiac Montana | |
| Make | Opel | Pontiac |
| Model | Astra | Montana |
| Year Released | 1998 | 2004 |
| Body Type | Convertible | Minivan |
| 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 | 2 valves |
| Horse Power | 89 HP | 185 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 125 Nm | 298 Nm |
| Engine Bore Size | 77.6 mm | 92 mm |
| Engine Stroke Size | 73.4 mm | 84 mm |
| Engine Compression Ratio | 10.5:1 | 9.5:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1150 kg | 2010 kg |
| Vehicle Length | 4250 mm | 5120 mm |
| Vehicle Width | 1690 mm | 1850 mm |
| Vehicle Height | 1410 mm | 1740 mm |
| Wheelbase Size | 2620 mm | 3050 mm |
