RT Scat Pack Tires

Discussion in 'Challenger Wheels, Tires and Brakes Forum' started by Janning, Mar 8, 2015.

  1. Janning

    Janning Full Access Member

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    Hi.

    I've asked this before, but as of 3 weeks ago, I now have the 2015 Challenger R/T Scat Pack. This has the 9 inch wide rims, but it comes with skinny 245/45 R20
    What is the widest possible tire I can put on the back two? Below are some that I have been looking at, I'm liking the 285 or 295's but not sure if they will work.

    Firestone:
    275/40/20 Firestone Firehawk Wideoval Indy 500 $359.96 (set of two)
    275/40/20 Firestone Firehawk Wideoval AS $448


    Discount:
    275/40/20 BFGoodrich g-Force Sport COMP-2 $446 Treadwear 340
    285/40/20 Nitto NT 420S $450 Treadwear 420
    295/40/20 Continental ContiCrossContact UHP $670 Treadwear 420


    NTB:
    275/40/20 Firehawk Wide Oval Indy 500 $425 Treadwear 320
    275/40/20 Firestone Firehawk Wideoval AS $425 Treadwear 420
    285/40/20 NT420-S $485 Treadwear 230

    Surface area over stock
    245/45/20 9.65" 0.00" Wider (stock ) 869.47 sqin sqin %
    255/45/20 10.04" 0.39" Wider 0.36" Taller 915.85 sqin 46.43 5.3
    265/40/20 10.43" 0.78" Wider 0.33" Shorter 928.8 sqin 59 6.8
    265/45/20 10.43" 0.78" Wider 0.71" Taller 963 sqin 93.5 10.7
    275/40/20 10.83" 1.18" Wider 0.02" Shorter 975.13 sqin 105.6 12.1
    285/40/20 11.22" 1.57" Wider 0.3" Taller 1021.3 sqin 151.87 17.5
    295/35/20 11.61" 1.96" Wider 0.55" Shorter 1026 sqin 156.5 18
    295/40/20 11.61" 1.96" Wider 0.6" Taller 1068.3 sqin 198.9 22.3