The 1999 Plymouth Neon tire size depends on trim: the High Line, 2D Coupe, 2.0 C, Automatic takes P185/65R14 85T; the High Line, 2D Coupe, 2.0 C, Standard takes P185/65R14 85T; the High Line, 2D Coupe, 2.0 Y, Automatic takes P185/65R14 85T; the High Line, 4D Sedan, 2.0 C, Standard takes P185/65R14 85T; the High Line, 4D Sedan, 2.0 C, Automatic takes P185/65R14 85T; the High Line, 2D Coupe, 2.0 Y, Standard takes P185/65R14 85T; the High Line, 4D Sedan, 2.0 Y, Automatic takes P185/65R14 85T; the High Line, 4D Sedan, 2.0 Y, Standard takes P185/65R14 85T; the _NA_, 2D Coupe, 2.0 C, Automatic takes P185/65R14 85H; the _NA_, 2D Coupe, 2.0 C, Standard, A578 takes P185/65R14 85H; the _NA_, 2D Coupe, 2.0 C, Standard, T350 takes P185/65R14 85H; the _NA_, 2D Coupe, 2.0 Y, Automatic takes P185/65R14 85H; the _NA_, 2D Coupe, 2.0 Y, Standard, A578 takes P185/65R14 85H; the _NA_, 2D Coupe, 2.0 Y, Standard, T350 takes P185/65R14 85H; the _NA_, 4D Sedan, 2.0 C, Automatic takes P185/65R14 85H; the _NA_, 4D Sedan, 2.0 C, Standard, A578 takes P185/65R14 85H; the _NA_, 4D Sedan, 2.0 C, Standard, T350 takes P185/65R14 85H; the _NA_, 4D Sedan, 2.0 Y, Automatic takes P185/65R14 85T; the _NA_, 4D Sedan, 2.0 Y, Standard takes P185/65R14 85T, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
High Line, 2D Coupe, 2.0 C, Automatic: P185/65R14 85T
High Line, 2D Coupe, 2.0 C, Standard: P185/65R14 85T
High Line, 2D Coupe, 2.0 Y, Automatic: P185/65R14 85T
High Line, 4D Sedan, 2.0 C, Standard: P185/65R14 85T
High Line, 4D Sedan, 2.0 C, Automatic: P185/65R14 85T
High Line, 2D Coupe, 2.0 Y, Standard: P185/65R14 85T
High Line, 4D Sedan, 2.0 Y, Automatic: P185/65R14 85T
High Line, 4D Sedan, 2.0 Y, Standard: P185/65R14 85T
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