2007 Buick LaCrosse vs. 2003 Opel Vectra
To start off, 2007 Buick LaCrosse is newer by 4 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 3,791 cc (6 cylinders), 2007 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2007 Buick LaCrosse (200 HP) has 47 more horse power than 2003 Opel Vectra. (153 HP). In normal driving conditions, 2007 Buick LaCrosse should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Buick LaCrosse weights approximately 440 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.
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, 2007 Buick LaCrosse (312 Nm @ 4000 RPM) has 83 more torque (in Nm) than 2003 Opel Vectra. (229 Nm @ 3800 RPM). This means 2007 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2007 Buick LaCrosse | 2003 Opel Vectra | |
| Make | Buick | Opel |
| Model | LaCrosse | Vectra |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 3791 cc | 2172 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 153 HP |
| Torque | 312 Nm | 229 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Engine Bore Size | 97 mm | 86 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Engine Compression Ratio | 9.4:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1950 kg | 1510 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1510 mm |
