The Honda Accord EX is the top of the line Accord. The Accord comes is various trim levels starting with the DX. From there you move up to the LX, LX-V6, and finally the EX. O … nly Honda knows for sure exactly what the letters EX stand for, if they stand for anything.n lx is a sedan and an ex is a coupe Nope. LX and EX are simply trim lines Honda uses to identify various optional improvements from the base model. Either trim line ca … n be applied to sedans or coupes, Civic or Accord. Generally, DX is the base model, LX is the mid level and EX is the luxury level.