1999 Buick Regal vs. 1999 Opel Vectra
To start off, both 1999 Buick Regal and 1999 Opel Vectra were released in the same year (1999). Therefore the support and the availability on parts for both vehicles should be relatively similar. 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 164 more horse power than 1999 Opel Vectra. (81 HP @ 4300 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 1999 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 160 kg more than 1999 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 (380 Nm @ 3600 RPM) has 195 more torque (in Nm) than 1999 Opel Vectra. (185 Nm @ 1800 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 1999 Opel Vectra. 1999 Buick Regal has automatic transmission and 1999 Opel Vectra has manual transmission. 1999 Opel Vectra 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 | 1999 Opel Vectra | |
| Make | Buick | Opel |
| Model | Regal | Vectra |
| Year Released | 1999 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1995 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 245 HP | 81 HP |
| Engine RPM | 5200 RPM | 4300 RPM |
| Torque | 380 Nm | 185 Nm |
| Torque RPM | 3600 RPM | 1800 RPM |
| Engine Bore Size | 97 mm | 84 mm |
| Engine Stroke Size | 86 mm | 90 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1560 kg | 1400 kg |
| Vehicle Length | 4990 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1440 mm | 1500 mm |
| Wheelbase Size | 2780 mm | 2650 mm |
