NEW YORK (CNNMoney.com) -- These 2003 model year cars ranked at the top of their respective vehicle classes in the 2006 J.D. Power and Associates Vehicle Dependability Study.

Sub-compact car: Toyota Echo

Compact car: Honda Civic

Compact sporty car: Mazda Miata

Midsize sporty car: Chevrolet Monte Carlo

Midsize car: Buick Century

Large car: Mercury Grand Marquis

Compact premium sporty car: Honda S2000

Entry premium car: Acura CL

Midsize Premium car: Lexus GS 300/GS 430

Large premium car: Lexus LS430

Premium sporty car: Lexus SC430

Compact SUV: Toyota Rav4

Midsize SUV: Toyota Highlander

Large SUV: GMC Yukon/ Yukon XL

Large pick-up: Toyota Tundra

Midsize pickup: Ford Ranger

Van: Honda Odyssey

Premium SUV: Lexus GX470

Large premium SUV: Cadillac Escalade EXT

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For the full J.D. Power and Associates Vehicle Dependability study results, click here.