suzannekane Posted: 6/7/2011 1:35pm PDT @Jim - No question the VW Jetta/Passat TDI get great gas mileage. Jetta TDI gets 42 mpg highway, Golf TDI 2-dr gets 42, 4-door 41. But this was about the top four best-selling family sedans. For May, VW sold a total of 13,713 Jetta sedans and 1,761 Golfs. Jim Posted: 6/6/2011 12:07pm PDT Obvious omission, VW Jetta/Passat TDI.