2005 Buick Rainier vs. 2003 Opel Vectra
To start off, 2005 Buick Rainier is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 4,163 cc (6 cylinders), 2005 Buick Rainier is equipped with a bigger engine. In terms of performance, 2005 Buick Rainier (276 HP @ 5200 RPM) has 176 more horse power than 2003 Opel Vectra. (100 HP @ 4300 RPM). In normal driving conditions, 2005 Buick Rainier should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Buick Rainier weights approximately 514 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Buick Rainier is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2005 Buick Rainier. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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 Buick Rainier (387 Nm) has 182 more torque (in Nm) than 2003 Opel Vectra. (205 Nm). This means 2005 Buick Rainier will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 Buick Rainier | 2003 Opel Vectra | |
| Make | Buick | Opel |
| Model | Rainier | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1994 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 276 HP | 100 HP |
| Engine RPM | 5200 RPM | 4300 RPM |
| Torque | 387 Nm | 205 Nm |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 102 mm | 90 mm |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 2004 kg | 1490 kg |
| Vehicle Length | 4920 mm | 4830 mm |
| Vehicle Width | 1920 mm | 1800 mm |
| Vehicle Height | 1900 mm | 1510 mm |
