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Category: Midsize premium
1st place: Infiniti M, Mercedes E-class
2nd place: Audi A6
3rd place: Lexus ES 350

The Infiniti M-series and Mercedes-Benz E-class tied for the best Initial Quality score in this segment.

The only low marks earned by the M-series were for the mechanical quality of its interior and body. The E-class earned average scores for the mechanical quality of its features.

Both cars earned above average scores in all other areas.

NEXT: Category: Large premium

Last updated June 05 2008: 2:16 PM ET