The 1998 Pontiac Sunfire tire size depends on trim: the GT, 2.2 4 takes P205/55R16 89H; the GT, 2.4 T, Automatic takes P205/55R16 89H; the GT, 2.4 T, Standard takes P205/55R16 89H; the SE, 2D Convertible, 2.2 4 takes P195/70R14 90S; the SE, 2D Convertible, 2.4 T, Automatic takes P195/70R14 90S; the SE, 2D Convertible, 2.4 T, Standard takes P195/70R14 90S; the SE, 2D Coupe, 2.2 4, Automatic, 3T40/MD9 takes P195/70R14 90S; the SE, 2D Coupe, 2.2 4, Automatic, 4T40E/MN4 takes P195/70R14 90S; the SE, 2D Coupe, 2.2 4, Standard takes P195/70R14 90S; the SE, 2D Coupe, 2.4 T, Automatic takes P195/70R14 90S; the SE, 2D Coupe, 2.4 T, Standard takes P195/70R14 90S; the SE, 4D Sedan, 2.2 4, Automatic, 3T40/MD9 takes P195/70R14 90S; the SE, 4D Sedan, 2.2 4, Automatic, 4T40E/MN4 takes P195/70R14 90S; the SE, 4D Sedan, 2.2 4, Standard takes P195/70R14 90S; the SE, 4D Sedan, 2.4 T takes P195/70R14 90S, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
GT, 2.2 4: P205/55R16 89H
GT, 2.4 T, Automatic: P205/55R16 89H
GT, 2.4 T, Standard: P205/55R16 89H
SE, 2D Convertible, 2.2 4: P195/70R14 90S
SE, 2D Convertible, 2.4 T, Automatic: P195/70R14 90S
SE, 2D Convertible, 2.4 T, Standard: P195/70R14 90S
SE, 2D Coupe, 2.2 4, Automatic, 3T40/MD9: P195/70R14 90S
SE, 2D Coupe, 2.2 4, Automatic, 4T40E/MN4: P195/70R14 90S
SE, 2D Coupe, 2.2 4, Standard: P195/70R14 90S
SE, 2D Coupe, 2.4 T, Automatic: P195/70R14 90S
SE, 2D Coupe, 2.4 T, Standard: P195/70R14 90S
SE, 4D Sedan, 2.2 4, Automatic, 3T40/MD9: P195/70R14 90S
SE, 4D Sedan, 2.2 4, Automatic, 4T40E/MN4: P195/70R14 90S
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