2003 Buick Regal vs. 2004 Opel Astra
To start off, 2004 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Buick Regal. In addition, the cost of maintenance, including insurance, on 2003 Buick Regal would be higher. At 3,789 cc (6 cylinders), 2003 Buick Regal is equipped with a bigger engine. In terms of performance, both vehicles can yield 197 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 2003 Buick Regal weights approximately 135 kg more than 2004 Opel Astra.
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 Buick Regal (312 Nm @ 4000 RPM) has 50 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2003 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2003 Buick Regal has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
2003 Buick Regal | 2004 Opel Astra | |
Make | Buick | Opel |
Model | Regal | Astra |
Year Released | 2003 | 2004 |
Body Type | Sedan | Station Wagon |
Engine Position | Front | Front |
Engine Size | 3789 cc | 1998 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 197 HP | 197 HP |
Engine RPM | 5200 RPM | 5400 RPM |
Torque | 312 Nm | 262 Nm |
Torque RPM | 4000 RPM | 4200 RPM |
Engine Bore Size | 97 mm | 86.1 mm |
Engine Stroke Size | 86 mm | 86 mm |
Engine Compression Ratio | 9.4:1 | 8.8:1 |
Drive Type | Front | Front |
Transmission Type | Automatic | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 5 doors |
Vehicle Weight | 1560 kg | 1425 kg |
Vehicle Length | 4990 mm | 4520 mm |
Vehicle Width | 1850 mm | 1800 mm |
Vehicle Height | 1440 mm | 1510 mm |
Wheelbase Size | 2780 mm | 2640 mm |
Fuel Tank Capacity | 64 L | 52 L |