1991 Opel Astra vs. 2012 Buick Regal
To start off, 2012 Buick Regal is newer by 21 year(s). Which means there will be less support and parts availability for 1991 Opel Astra. In addition, the cost of maintenance, including insurance, on 1991 Opel Astra would be higher. At 2,400 cc (4 cylinders), 2012 Buick Regal is equipped with a bigger engine. In terms of performance, 2012 Buick Regal (182 HP @ 6700 RPM) has 82 more horse power than 1991 Opel Astra. (100 HP @ 5600 RPM) In normal driving conditions, 2012 Buick Regal should accelerate faster than 1991 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2012 Buick Regal weights approximately 573 kg more than 1991 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, 2012 Buick Regal (233 Nm @ 4900 RPM) has 98 more torque (in Nm) than 1991 Opel Astra. (135 Nm @ 3400 RPM). This means 2012 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1991 Opel Astra.
Compare all specifications:
| 1991 Opel Astra | 2012 Buick Regal | |
| Make | Opel | Buick |
| Model | Astra | Regal |
| Year Released | 1991 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 2400 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 100 HP | 182 HP |
| Engine RPM | 5600 RPM | 6700 RPM |
| Torque | 135 Nm | 233 Nm |
| Torque RPM | 3400 RPM | 4900 RPM |
| Drive Type | Front | Front |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1060 kg | 1633 kg |
| Vehicle Length | 4250 mm | 4831 mm |
| Vehicle Width | 1690 mm | 1857 mm |
| Vehicle Height | 1430 mm | 1483 mm |
| Wheelbase Size | 2530 mm | 2738 mm |
