More refined than Chevy but less expensive than Cadillac, Buick offers GM buyers an entry-level into luxury autos. Gone are the days of massive sedans and coupes, as well as Buick's image of being a stodgy car for retired folks. Buick has lured younger owners to their totally revamped line of sedans, crossovers, and SUVs. Owners should expect much from their cars and plan to maintain them with the best-available replacement parts. Agrade Auto Online's nationwide inventory of affordable, high-quality used OEM and recycled auto parts and accessories.