Award-Winning Service GREAT NEWS! Mullen is the only dealer on the East End to receive the 2018 Customer First Award For Excellence! See What's New Welcome to Mullen Deals of the Week! Great Pre-Owned Vehicles from a Dealership you can Trust. Check Out This Week's Deals We Started in Southold Back in 1927... We’ve Been Serving the East End for Three Generations. Learn More About Mullen And 90 Years Later, We're Still Going Strong. Same Family, Same Shop, Same Award-Winning Service. See What's New “By far the most honest, kind and helpful dealership around… always a pleasure to deal with.” – via DealerRater.com More About Mullen This Week’s Pre-Owned Deals! 2016 RAM 1500 SLT BigHorn Crew Cab 2016 Grand Cherokee Limited 2016 RAM 2500 LongHorn Crew Cab 2016 Jeep Cherokee Latitude 2018 Jeep Wrangler JL Unlimited 2016 Grand Cherokee Limited 2017 Jeep Cherokee Limited 2018 Toyota Tundra Double Cab Limited 2015 RAM 1500 Crew Cab 4X4 2014 Ford Focus SE Hatchback Contact Us Name Email Address Message 9 + 9 = Submit Or, just call us directly at (631) 765-3564.