1999 Buick Regal vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 6 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 52 more horse power than 2005 Opel Vectra. (145 HP @ 4000 RPM). In normal driving conditions, 1999 Buick Regal should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Buick Regal weights approximately 350 kg more than 2005 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, 2005 Opel Vectra (316 Nm @ 2000 RPM) has 5 more torque (in Nm) than 1999 Buick Regal. (311 Nm @ 4000 RPM). This means 2005 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 1999 Buick Regal. 1999 Buick Regal has automatic transmission and 2005 Opel Vectra has manual transmission. 2005 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 | 2005 Opel Vectra | |
| Make | Buick | Opel |
| Model | Regal | Vectra |
| Year Released | 1999 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 3789 cc | 1910 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 197 HP | 145 HP |
| Engine RPM | 5200 RPM | 4000 RPM |
| Torque | 311 Nm | 316 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Engine Bore Size | 97 mm | 82 mm |
| Engine Stroke Size | 86 mm | 90.4 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1210 kg |
| Vehicle Length | 4990 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2690 mm |
| Fuel Tank Capacity | 64 L | 61 L |
