The 2011 Mazda 3 tire size depends on trim: the Mazdaspeed, 2.3 3 takes 225/40ZR18 88Y; the Mazdaspeed, 2.3 4 takes 225/40ZR18 88Y; the i SV, 2.0 G takes P205/55R16 89H; the i Touring, 2.0 G, Standard takes P205/55R16 89H; the s Grand Touring, 4D Hatchback, 2.5 6, Standard takes P205/50R17 88V; the s Grand Touring, 4D Hatchback, 2.5 5, Standard takes P205/50R17 88V; the s Grand Touring, 4D Hatchback, 2.5 6, Automatic takes P205/50R17 88V; the s Grand Touring, 4D Hatchback, 2.5 5, Automatic takes P205/50R17 88V; the i Sport, 2.0 G, Automatic takes P205/55R16 89H; the i SV, 2.0 F takes P205/55R16 89H; the i Touring, 2.0 F, Standard takes P205/55R16 89H; the i Sport, 2.0 F, Standard takes P205/55R16 89H; the i Touring, 2.0 G, Automatic takes P205/55R16 89H; the s Grand Touring, 4D Sedan, 2.5 5, Standard takes P205/50R17 88V; the i Sport, 2.0 G, Standard takes P205/55R16 89H; the s Grand Touring, 4D Sedan, 2.5 5, Automatic takes P205/50R17 88V; the s Sport, 4D Hatchback, 2.5 5, Automatic takes P205/50R17 88V; the i Touring, 2.0 F, Automatic takes P205/55R16 89H; the s Grand Touring, 4D Sedan, 2.5 6, Automatic takes P205/50R17 88V; the s Sport, 4D Hatchback, 2.5 5, Standard takes P205/50R17 88V; the i Sport, 2.0 F, Automatic takes P205/55R16 89H; the s Grand Touring, 4D Sedan, 2.5 6, Standard takes P205/50R17 88V; the s Sport, 4D Hatchback, 2.5 6, Automatic takes P205/50R17 88V; the s Sport, 4D Sedan, 2.5 6, Automatic takes P205/50R17 88V; the s Sport, 4D Sedan, 2.5 5, Automatic takes P205/50R17 88V; the s Sport, 4D Hatchback, 2.5 6, Standard takes P205/50R17 88V; the s Sport, 4D Sedan, 2.5 6, Standard takes P205/50R17 88V; the s Sport, 4D Sedan, 2.5 5, Standard takes P205/50R17 88V, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Mazdaspeed, 2.3 3: 225/40ZR18 88Y
Mazdaspeed, 2.3 4: 225/40ZR18 88Y
i SV, 2.0 G: P205/55R16 89H
i Touring, 2.0 G, Standard: P205/55R16 89H
s Grand Touring, 4D Hatchback, 2.5 6, Standard: P205/50R17 88V
s Grand Touring, 4D Hatchback, 2.5 5, Standard: P205/50R17 88V
s Grand Touring, 4D Hatchback, 2.5 6, Automatic: P205/50R17 88V
s Grand Touring, 4D Hatchback, 2.5 5, Automatic: P205/50R17 88V
i Sport, 2.0 G, Automatic: P205/55R16 89H
i SV, 2.0 F: P205/55R16 89H
i Touring, 2.0 F, Standard: P205/55R16 89H
i Sport, 2.0 F, Standard: P205/55R16 89H
i Touring, 2.0 G, Automatic: P205/55R16 89H
s Grand Touring, 4D Sedan, 2.5 5, Standard: P205/50R17 88V
i Sport, 2.0 G, Standard: P205/55R16 89H
s Grand Touring, 4D Sedan, 2.5 5, Automatic: P205/50R17 88V
s Sport, 4D Hatchback, 2.5 5, Automatic: P205/50R17 88V
i Touring, 2.0 F, Automatic: P205/55R16 89H
s Grand Touring, 4D Sedan, 2.5 6, Automatic: P205/50R17 88V
s Sport, 4D Hatchback, 2.5 5, Standard: P205/50R17 88V
i Sport, 2.0 F, Automatic: P205/55R16 89H
s Grand Touring, 4D Sedan, 2.5 6, Standard: P205/50R17 88V
s Sport, 4D Hatchback, 2.5 6, Automatic: P205/50R17 88V
s Sport, 4D Sedan, 2.5 6, Automatic: P205/50R17 88V
s Sport, 4D Sedan, 2.5 5, Automatic: P205/50R17 88V
s Sport, 4D Hatchback, 2.5 6, Standard: P205/50R17 88V
s Sport, 4D Sedan, 2.5 6, Standard: P205/50R17 88V
s Sport, 4D Sedan, 2.5 5, Standard: P205/50R17 88V