1998 Buick Regal vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 9 year(s). Which means there will be less support and parts availability for 1998 Buick Regal. In addition, the cost of maintenance, including insurance, on 1998 Buick Regal would be higher. At 3,791 cc (6 cylinders), 1998 Buick Regal is equipped with a bigger engine. In terms of performance, 1998 Buick Regal (205 HP @ 5200 RPM) has 87 more horse power than 2007 Opel Astra. (118 HP @ 3500 RPM). In normal driving conditions, 1998 Buick Regal should accelerate faster than 2007 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Buick Regal weights approximately 99 kg more than 2007 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, 1998 Buick Regal (312 Nm) has 32 more torque (in Nm) than 2007 Opel Astra. (280 Nm). This means 1998 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Astra. 1998 Buick Regal has automatic transmission and 2007 Opel Astra has manual transmission. 2007 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1998 Buick Regal will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Buick Regal | 2007 Opel Astra | |
| Make | Buick | Opel |
| Model | Regal | Astra |
| Year Released | 1998 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1909 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 205 HP | 118 HP |
| Engine RPM | 5200 RPM | 3500 RPM |
| Torque | 312 Nm | 280 Nm |
| Engine Bore Size | 96.5 mm | 82 mm |
| Engine Stroke Size | 86.4 mm | 90.4 mm |
| Engine Compression Ratio | 9.4:1 | 18.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1494 kg | 1395 kg |
| Vehicle Length | 4990 mm | 4480 mm |
| Vehicle Width | 1850 mm | 2030 mm |
| Vehicle Height | 1440 mm | 1420 mm |
| Wheelbase Size | 2780 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 52 L |
