Auction123 serves dealership sales and marketing departments with inventory management and online marketing solutions. The platform provides dealer website design, mobile websites, inventory management tools, and online inventory marketing across multiple channels including eBay Motors, Craigslist, Facebook, and over 400 classified websites. Features include automated and manual posting options, inventory enhancement tools, data population, window stickers, and buyers guides. The solution supports automotive, motorcycle, powersports, marine, commercial, RV, and trailer dealerships.