2004 Buick Rainier vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Buick Rainier. In addition, the cost of maintenance, including insurance, on 2004 Buick Rainier would be higher. At 4,195 cc (6 cylinders), 2004 Buick Rainier is equipped with a bigger engine. In terms of performance, 2004 Buick Rainier (276 HP @ 5200 RPM) has 151 more horse power than 2005 Opel Vectra. (125 HP @ 6000 RPM). In normal driving conditions, 2004 Buick Rainier should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Buick Rainier weights approximately 609 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.
Because 2004 Buick Rainier is four wheel drive (4WD), it will have significant more traction and grip than 2005 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2004 Buick Rainier will offer significantly more control. 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 Rainier (380 Nm) has 213 more torque (in Nm) than 2005 Opel Vectra. (167 Nm). This means 2004 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2004 Buick Rainier | 2005 Opel Vectra | |
| Make | Buick | Opel |
| Model | Rainier | Vectra |
| Year Released | 2004 | 2005 |
| Engine Position | Front | Front |
| Engine Size | 4195 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 125 HP |
| Engine RPM | 5200 RPM | 6000 RPM |
| Torque | 380 Nm | 167 Nm |
| Engine Bore Size | 93 mm | 80.5 mm |
| Engine Stroke Size | 102 mm | 88.2 mm |
| Engine Compression Ratio | 10.1:1 | 10.5:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2099 kg | 1490 kg |
| Vehicle Length | 4880 mm | 4830 mm |
| Vehicle Width | 1920 mm | 1800 mm |
| Vehicle Height | 1900 mm | 1510 mm |
| Wheelbase Size | 2880 mm | 2700 mm |
| Fuel Consumption Overall | 13.8 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 83 L | 60 L |
