2011 Buick Regal vs. 2012 Opel Astra
To start off, 2012 Opel Astra is newer by 1 year(s). Which means there will be less support and parts availability for 2011 Buick Regal. In addition, the cost of maintenance, including insurance, on 2011 Buick Regal would be higher. At 2,000 cc (4 cylinders), 2011 Buick Regal is equipped with a bigger engine. In terms of performance, 2011 Buick Regal (220 HP @ 5300 RPM) has 23 more horse power than 2012 Opel Astra. (197 HP @ 5400 RPM). In normal driving conditions, 2011 Buick Regal should accelerate faster than 2012 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Buick Regal weights approximately 40 kg more than 2012 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, 2011 Buick Regal (349 Nm @ 2000 RPM) has 87 more torque (in Nm) than 2012 Opel Astra. (262 Nm @ 1950 RPM). This means 2011 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2012 Opel Astra. 2011 Buick Regal has automatic transmission and 2012 Opel Astra has manual transmission. 2012 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2011 Buick Regal | 2012 Opel Astra | |
| Make | Buick | Opel |
| Model | Regal | Astra |
| Year Released | 2011 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 2000 cc | 1998 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 220 HP | 197 HP |
| Engine RPM | 5300 RPM | 5400 RPM |
| Torque | 349 Nm | 262 Nm |
| Torque RPM | 2000 RPM | 1950 RPM |
| Fuel Type | Flex Fuel | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1665 kg | 1625 kg |
| Vehicle Length | 4831 mm | 4300 mm |
| Vehicle Width | 1857 mm | 1760 mm |
| Vehicle Height | 1483 mm | 1440 mm |
| Wheelbase Size | 2738 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 52 L |
