1999 Buick Regal vs. 2001 Opel Vectra
To start off, 2001 Opel Vectra 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 (197 HP @ 5200 RPM) has 83 more horse power than 2001 Opel Vectra. (114 HP @ 5400 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 2001 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 180 kg more than 2001 Opel Vectra. 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 (311 Nm @ 4000 RPM) has 141 more torque (in Nm) than 2001 Opel Vectra. (170 Nm @ 3400 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2001 Opel Vectra.
Compare all specifications:
| 1999 Buick Regal | 2001 Opel Vectra | |
| Make | Buick | Opel |
| Model | Regal | Vectra |
| Year Released | 1999 | 2001 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 114 HP |
| Engine RPM | 5200 RPM | 5400 RPM |
| Torque | 311 Nm | 170 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1560 kg | 1380 kg |
| Vehicle Length | 4990 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2740 mm |
| Fuel Tank Capacity | 64 L | 53 L |
