The 2023 Dodge Challenger tire size depends on trim: the GT, 4WD takes 245/45ZR20 99Y; the R/T Scat Pack Widebody, Eng CD ESG takes 305/35ZR20 (107Y) XL; the R/T Scat Pack Widebody, Eng CD ESH takes 305/35ZR20 (107Y) XL; the R/T Scat Pack, Eng CD ESG takes 245/45ZR20 99Y; the R/T Scat Pack, Eng CD ESH takes 245/45ZR20 99Y; the GT, RWD takes 245/45ZR20 99Y; the SRT Hellcat Jailbreak, Automatic Trans takes 305/35ZR20 (107Y) XL; the R/T, Eng CD EZC takes 245/45ZR20 99Y; the R/T, Eng CD EZH takes 245/45ZR20 99Y; the SRT Hellcat Jailbreak, Standard Trans takes 305/35ZR20 (107Y) XL; the SRT Super Stock takes P315/40R18 102W LL; the SXT, 4WD takes 235/55R19 101H; the SXT, RWD takes 235/55R18 100V, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
GT, 4WD: 245/45ZR20 99Y
R/T Scat Pack Widebody, Eng CD ESG: 305/35ZR20 (107Y) XL
R/T Scat Pack Widebody, Eng CD ESH: 305/35ZR20 (107Y) XL
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