The horsepower of the Buick LaCrosse II is by 19 horsepowers grater than the Citroen C5 III Crosstourer 2.0 HDi 163HP manual. Because the difference is little this should not affect the vehicles performance considerably.
The width of the car influences on passanger's inner room and stability of driving. The Buick LaCrosse II is 2 mm wider than the Citroen C5 III Crosstourer. It is clearly perceptible by driver and passenger in front, who have more room for their elbows.
The wheelbase of a car is the length between its front and rear wheels. The wheelbase notably affects the driving due to more desirable car's weight distribution. Buick LaCrosse II 2.4 i 182HP has 28 millimeters longer wheelbase distance than Citroen. Wheelbase dimensions are important to the balance and steering. Thus, the mass of Buick should be better distributed and driving should be smoother and safer.
The Buick LaCrosse II is 176 millimeters longer than the Citroen C5 III Crosstourer. Long cars have more interior space and in most cases have plenty of trunk space. While the Buick LaCrosse II occurs to be better option for families or those who love the idea of convenient driving that make them feel fresh and relaxed upon arriving, the Citroen may be more appropriate to city drivers as it will not cause problems with parking and will be more maneuverable.
Model release date
The difference in release date between these two cars is only 2 years, however, new technologies for vehicles are appearing at a fast pace what may cause that the Buick LaCrosse II 2.4 i 182HP may feature more modern solutions.
If you are a tall driver or you tend to carry in the trunk thinks of large size, the Buick, which is by 21 mm higher than the Citroen C5 III Crosstourer, would be better choice for you. However, these two cars do not differ much when it comes to its height and it should not be much observable.