Buick Estate Wagon Select the Engine of the Vehicle: 1979   8 Cylinders, 5.7L liter   8 Cylinders, 6.6L liter 1978   8 Cylinders, 5.7L liter   8 Cylinders, 6.6L liter 1977   8 Cylinders, 5.7L liter   8 Cylinders, 6.6L liter 1976   8 Cylinders, 7.5L liter 1975   8 Cylinders, 7.5L liter < < BACK