2015 Cadillac ATS Coupe Standard AWD Price: $16,490 4190 I-70 North Outer Rd, Saint Peters, MO 63376 More Saint Peters, MO Cadillac ATS's 2013 $12,580 116,645 Miles 2016 $19,990 89,633 Miles 2017 $23,990 46,337 Miles