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AmericanMuscle.com Tire Guide
1999-2004 Wheel & Tire Fitment
Tire Size Rim Size Years Comments Placement Sidewall Diameter Circumference Revs per Mile
16" Tires
16x8 99-04 Recommended for Best Fit on 1999-2004 Mustangs with 16x8 rims Front & Rear 4.8" 25.6" 80.6" 786.0
                 
17" Tires
17x8 99-04 Recommended for Best Fit on 1999-2004 Mustangs with 17x8 rims, and can be used on a 17x9 rim as well. Front & Rear 4.3" 25.7" 80.7" 785.0
                 
17x9 99-04 17" Optional tire size - Your speedometer reading will be off by 2.5%. When your speedometer reads 60 mph you are actually doing 58.5 mph. Front & Rear 4.0" 25.0" 78.6" 806.0
                 
17x9 99-04 Recommended for Best Fit on 1999-2004 Mustangs with 17x9 rims Front & Rear 4.3" 25.7" 80.6" 786.0
                 
17x10.5 99-04 Recommended for Best Fit on 1999-2004 Mustangs with with 17x10.5 rims - Rear Only Rear 4.3" 25.7" 80.7" 785.0
                 
18" Tires
18x9 99-04 18" Optional tire size - Great for drivers who upgraded to 18" rims, but do not want a wider than stock tire. Front & Rear 3.9" 25.7" 80.8" 784.0
                 
18x9 99-04 18" Optional tire size - Your speedometer reading will be off by 1.5%. When your speedometer reads 60 mph you are actually doing 59.1 mph. Front & Rear 3.7" 25.3" 79.5" 797.0
                 
18x9 99-04 Recommended for Best Fit on 1999-2004 Mustangs with 18x9 rims Front & Rear 3.8" 25.6" 80.4" 788.0
                 
18x10 99-04 Recommended for Best Fit on 1999-2004 Mustangs with 18x10 rims - Rear Only Rear 3.9" 25.9" 81.2" 780.0
                 
18x10 99-04 18" Optional Rear tire - Your speedometer reading will be off by 2.8%. When your speedometer reads 60 mph you are actually doing 61.7 mph. Rear 4.2" 26.4" 83.0" 764.0
                 
19" Tires
19x8.5 94-98 Recommended for Best Fit on 1999-2004 Mustangs with 19x8.5" Rims Front & Rear 3.2" 25.5" 80.0" 792.0
                 
20" Tires
20x8.5 99-04 Recommended for Best Fit on 1999-2004 Mustangs with 20x8.5 rims Front & Rear 2.9" 25.8" 81.0" 782.0