2004 Buick Rainier vs. 2003 Opel Astra
To start off, 2004 Buick Rainier is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Opel Astra. In addition, the cost of maintenance, including insurance, on 2003 Opel Astra would be higher. At 4,194 cc (6 cylinders), 2004 Buick Rainier is equipped with a bigger engine. In terms of performance, 2004 Buick Rainier (271 HP @ 6000 RPM) has 127 more horse power than 2003 Opel Astra. (144 HP @ 5800 RPM). In normal driving conditions, 2004 Buick Rainier should accelerate faster than 2003 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Rainier weights approximately 715 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.
Because 2004 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2003 Opel Astra. In wet, icy, snow, or gravel driving conditions, 2004 Buick Rainier 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 Buick Rainier (373 Nm @ 3600 RPM) has 170 more torque (in Nm) than 2003 Opel Astra. (203 Nm @ 4000 RPM). This means 2004 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Astra.
Compare all specifications:
| 2004 Buick Rainier | 2003 Opel Astra | |
| Make | Buick | Opel |
| Model | Rainier | Astra |
| Year Released | 2004 | 2003 |
| Body Type | SUV | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 4194 cc | 2172 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 271 HP | 144 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 373 Nm | 203 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 93 mm | 86 mm |
| Engine Stroke Size | 102 mm | 94.6 mm |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2095 kg | 1380 kg |
| Vehicle Length | 4920 mm | 4290 mm |
| Vehicle Width | 1920 mm | 1720 mm |
| Vehicle Height | 1900 mm | 1520 mm |
| Wheelbase Size | 2800 mm | 2640 mm |
| Fuel Consumption Highway | 11.2 L/100km | 6.9 L/100km |
| Fuel Consumption City | 15.7 L/100km | 12 L/100km |
| Fuel Consumption Overall | 13.8 L/100km | 8.8 L/100km |
| Fuel Tank Capacity | 83 L | 52 L |
