The 4th Gen of the Mazda B-Series pickup was released for the 1986 model year, as a 2 door or 4 door pickup along with new engines that ranged from 2.0L I4 to 2.6L I4 with both diesel and petrol versions available. A new 5 speed manual or 4 speed automatic gearbox were available and as part of the new generation a four wheel drive option was introduced.The 4th Gen B-Series ended production in 1998, when it was replaced by the 5th Gen Mazda B-Series.