1999 Buick Regal vs. 2001 Opel Astra
To start off, 2001 Opel Astra is newer by 2 year(s). Which means there will be less support and parts availability for 1999 Buick Regal. In addition, the cost of maintenance, including insurance, on 1999 Buick Regal would be higher. At 3,789 cc (6 cylinders), 1999 Buick Regal is equipped with a bigger engine. In terms of performance, 1999 Buick Regal (245 HP @ 5200 RPM) has 93 more horse power than 2001 Opel Astra. (152 HP @ 5400 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 2001 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 170 kg more than 2001 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, 1999 Buick Regal (380 Nm @ 3600 RPM) has 177 more torque (in Nm) than 2001 Opel Astra. (203 Nm @ 4000 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Astra. 1999 Buick Regal has automatic transmission and 2001 Opel Astra has manual transmission. 2001 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Buick Regal | 2001 Opel Astra | |
| Make | Buick | Opel |
| Model | Regal | Astra |
| Year Released | 1999 | 2001 |
| Body Type | Sedan | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 245 HP | 152 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 380 Nm | 203 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Engine Compression Ratio | 8.5:1 | 9.6:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1560 kg | 1390 kg |
| Vehicle Length | 4990 mm | 4280 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1400 mm |
| Wheelbase Size | 2780 mm | 2620 mm |
| Fuel Tank Capacity | 64 L | 53 L |
