Simplify the following text for a Grade 8 native English-speaking person.
Original: In 1987 , the Dodge Grand Caravan long-wheelbase ( LWB ) model was introduced and sold alongside the short-wheelbase ( SWB ) Caravan .
Simplified: The Caravan was introduced around 1983 , and Grand Caravan was introduced around 1987 . The original Caravan was dropped after the 2007 model year and replaced by the Dodge Journey .