Each is a different trim level on the Honda Accord, Civic, CRV, and Pilot.The LX is the trim that probably has the most value. It comes with many standard features such as air conditioning, power windows, door locks, and mirrors, a cd player/FM/AM radio, etc...The EX has everything the LX has but also comes with a navigation system, sun roof, XM or Surius satellite radio, etc...Both Come in V6 models.