Celebrating 115 years as an auto brand in 2018, General Motors' Buick brand is remains a lasting source for upscale details in combination with accessible pricing. For 2018, Buick has prepared a vehicle lineup consisting of three cars and three crossover vehicles highlighted by a new Enclave, redesigned Regal sedan as well as the introduction of the Avenir high-luxury brand. Situated on a longer wheelbase with a lower roof line, the 2018 Buick Enclave boasts a larger interior and an upgraded technology. For 2018, the Buick Regal received a full remastering as both the sedan-like Sportback and the TourX wagon. A 2.0-liter turbocharged four-cylinder engine is matched with an eight-speed automatic transmission on the 2018 Buick Regal that also features available intelligent all-wheel drive. Debuting with the Enclave and LaCrosse, the Avenir trim employs exclusive high-end styling touches such as a unique mesh grille and chestnut interior accents. The Enclave Avenir features 20-inch wheels and incorporates an available premium suspension with continuously variable real-time damping. On the 2018 Buick LaCrosse, a new standard powertrain features a 2.5-liter four-cylinder engine paired with an eAssist mild hybrid system allowing the large to achieve up to 35 miles per gallon through highway driving. The Encore and Envision crossovers return largely uncharged for 2018 while the Cascada convertible receives an available jewel-toned paint colors.