2004 Buick Century vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Buick Century. In addition, the cost of maintenance, including insurance, on 2004 Buick Century would be higher. At 3,134 cc (6 cylinders), 2004 Buick Century is equipped with a bigger engine. In terms of performance, 2004 Buick Century (176 HP @ 5200 RPM) has 87 more horse power than 2006 Opel Astra. (89 HP @ 4000 RPM). In normal driving conditions, 2004 Buick Century should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Century weights approximately 190 kg more than 2006 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, 2004 Buick Century (264 Nm @ 4000 RPM) has 64 more torque (in Nm) than 2006 Opel Astra. (200 Nm @ 1750 RPM). This means 2004 Buick Century will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 2004 Buick Century | 2006 Opel Astra | |
| Make | Buick | Opel |
| Model | Century | Astra |
| Year Released | 2004 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 3134 cc | 1246 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 176 HP | 89 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 264 Nm | 200 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Engine Bore Size | 89 mm | 69.6 mm |
| Engine Stroke Size | 84 mm | 82 mm |
| Engine Compression Ratio | 9.6:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1520 kg | 1330 kg |
| Vehicle Length | 4950 mm | 4260 mm |
| Vehicle Width | 1850 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2620 mm |
| Fuel Consumption Overall | 9.8 L/100km | 4.8 L/100km |
| Fuel Tank Capacity | 64 L | 52 L |
