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