1999 Buick Regal vs. 2002 Opel Vectra
To start off, 2002 Opel Vectra is newer by 3 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 54 more horse power than 2002 Opel Vectra. (143 HP @ 5600 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 2002 Opel Vectra.
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 108 more torque (in Nm) than 2002 Opel Vectra. (203 Nm @ 4000 RPM). This means 1999 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra. 1999 Buick Regal has automatic transmission and 2002 Opel Vectra has manual transmission. 2002 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 | 2002 Opel Vectra | |
| Make | Buick | Opel |
| Model | Regal | Vectra |
| Year Released | 1999 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 2198 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 197 HP | 143 HP |
| Engine RPM | 5200 RPM | 5600 RPM |
| Torque | 311 Nm | 203 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4990 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2710 mm |
| Fuel Tank Capacity | 64 L | 61 L |
