2011 Buick Regal Price: $3,900 More , Buick Regal's 2019 $19,838 50,097 Miles 2020 $21,498 51,922 Miles 2019 $20,271 23,140 Miles 2011 $10,990 42,108 Miles 2016 $12,653 97,196 Miles 2012 $8,775 Miles