Used cars for sale Sitemap Iowa Mount Vernon, IA Buick Buick Sitemap in Mount Vernon, IA Used Buick in Mount Vernon, IA by Model Used Buick Enclave Used Buick Encore Gx Used Buick Envision Used Buick Lacrosse Used Buick in Mount Vernon, IA by Price Under 20,000 Under 25,000 Under 30,000 Under 35,000 Under 40,000 Under 45,000 Under 50,000 Under 55,000 Under 60,000 Under 65,000 Under 70,000 Under 75,000 Under 80,000 Under 85,000 Under 90,000 Under 95,000 Under 100,000 Used Buick in Mount Vernon, IA by Style Sedans SUVs