2004 Buick Regal vs. 2008 Opel Vectra
To start off, 2008 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 2004 Buick Regal. In addition, the cost of maintenance, including insurance, on 2004 Buick Regal would be higher. At 3,791 cc (6 cylinders), 2004 Buick Regal is equipped with a bigger engine. In terms of performance, 2004 Buick Regal (201 HP @ 5200 RPM) has 97 more horse power than 2008 Opel Vectra. (104 HP @ 6000 RPM). In normal driving conditions, 2004 Buick Regal should accelerate faster than 2008 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Regal weights approximately 190 kg more than 2008 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, 2004 Buick Regal (305 Nm) has 155 more torque (in Nm) than 2008 Opel Vectra. (150 Nm). This means 2004 Buick Regal will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Vectra.
Compare all specifications:
| 2004 Buick Regal | 2008 Opel Vectra | |
| Make | Buick | Opel |
| Model | Regal | Vectra |
| Year Released | 2004 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 1596 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 201 HP | 104 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 305 Nm | 150 Nm |
| Engine Bore Size | 97 mm | 79 mm |
| Engine Stroke Size | 86 mm | 81.5 mm |
| Engine Compression Ratio | 9.4:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1550 kg | 1360 kg |
| Vehicle Length | 4990 mm | 4600 mm |
| Vehicle Width | 1850 mm | 1800 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2780 mm | 2710 mm |
| Fuel Consumption Overall | 9.8 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 64 L | 61 L |
