2006 Buick LaCrosse vs. 2005 Opel Vectra
To start off, 2006 Buick LaCrosse is newer by 1 year(s). Which means there will be less support and parts availability for 2005 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2005 Opel Vectra would be higher. At 3,786 cc (6 cylinders), 2006 Buick LaCrosse is equipped with a bigger engine. In terms of performance, 2005 Opel Vectra (208 HP) has 8 more horse power than 2006 Buick LaCrosse. (200 HP) In normal driving conditions, 2005 Opel Vectra should accelerate faster than 2006 Buick LaCrosse. With that said, vehicle weight also plays an important factor in acceleration. 2006 Buick LaCrosse weights approximately 427 kg more than 2005 Opel Vectra.
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, 2006 Buick LaCrosse (312 Nm @ 4000 RPM) has 12 more torque (in Nm) than 2005 Opel Vectra. (300 Nm @ 4000 RPM). This means 2006 Buick LaCrosse will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2006 Buick LaCrosse | 2005 Opel Vectra | |
| Make | Buick | Opel |
| Model | LaCrosse | Vectra |
| Year Released | 2006 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3786 cc | 3175 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 200 HP | 208 HP |
| Torque | 312 Nm | 300 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 97 mm | 87.5 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 9.4:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1950 kg | 1523 kg |
| Vehicle Length | 5040 mm | 4600 mm |
| Vehicle Width | 1860 mm | 1800 mm |
| Vehicle Height | 1460 mm | 1470 mm |
| Wheelbase Size | 2810 mm | 2640 mm |
| Fuel Consumption Overall | 10.2 L/100km | 10.1 L/100km |
| Fuel Tank Capacity | 64 L | 61 L |
