How much for a new engine and transmission for a Buick LaCrosse 2005

3.8L Reman/Rebuilt. Engine 8th digit of the vin# (2) $1900.00-$2400.00 plus your engine or pay $250.00-$300.00 core charge... 3.6L Reman/Rebuilt Engine 8th digit of the vin# (7) $4100.00-$4500.00 plus your engine or pay $500.00 core charge... 3.8L Reman/Rebuilt Transmission $1400.00-$1700.00 plus your transmission or pay $400.00 core charge. 3.6L Reman/Rebuilt Transmission $1600.00-$1700.00 plus your transmission or pay $400.00-$500.00 core charge.