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Hemi R/T AWD Biggest 18" Tire that will fit

7549 Views 16 Replies 12 Participants Last post by  2006 magnum awd
I have a 2007 AWD R/T and am looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.
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I believe 255/55/18 are the biggest you can go. Not sure with AWD.
I run the same size Nitto Nt420s. Love them they are great!
Not sure with the AWD, totally different offsets than RWD, I'm sure some AWD'ers will chime in for ya.
I have a 2007 AWD R/T and am looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.
I have a 05 RT AWD. I am running stock tires with a 24 offset rim for the last 3 months with no problems.

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I have a 2007 AWD R/T and am looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.


I had 245/65/18 on it, and currently have 245/70/18 on it. No rubbing or issues. I also have RWD RT wheels on my AWD RT though.
I was doing some research and found that a 245 / 55r / 18 is very very close in dia. to the stock 225/60 dia meaning your speedo won't know the difference yet they are about 1.25 inches wider what I haven't found yet is if the stock 7.5 rim is wide enough

225/60R18 Equal 28.6" 8.9" 18 x 6-8"

245/55R18 Equal28.6" 9.6" 18 x 7-8.5"

https:// tiresize com/calculator/
I had 245/65/18 on it, and currently have 245/70/18 on it. No rubbing or issues. I also have RWD RT wheels on my AWD RT though.
Sorry to dig up an old thread buuut, Have any pics of that setup SoFlaMagnum?? I like the idea of bigger tires on a Magnum.
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I am running 245/45/20 on a 2018 charger wheel. AWD and lowered with rwd eibach pro springs
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That's sweet! How do you like it lowered? Did it help with the body roll, or did you do it more for the astethics?

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I am running 245/45/20 on a 2018 charger wheel. AWD and lowered with rwd eibach pro springs
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That looks good that setup fills the wheel wells nicely
I have a 2007 AWD R/T and am looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.
I have a 2007 AWD R/T and am looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.
Don't know if you're aware, but awd magnums sit an inch higher suspension wise than rwd.
That looks good that setup fills the wheel wells nicely


Don't know if you're aware, but awd magnums sit an inch higher suspension wise than rwd.
All your various tire/wheel combination sizes are helpful, BUT. Nobody is stating overall tire diameter or offset backspacing. This info would help members make a better informed decision on their tire/wheel combos.
Everyone is big on the super low profile tires as low as 40s or 35s, but has anyone advanced past the stock 225/55/18s? I'm contemplating going 245/70/18s or even 75s. Quality brand syped studless mud & snow tires for year round useage.
I realize I'll loose a bit in hard cornering due to side wall flex, but I'm not planning on entering any road races with my '06 AWD. Part of my objective is to fill the AWD fender well with tire, not open air space.
The other part is the fact that I run syped mud & snows on my '93 grand Cherokee wildcat radial A/T 245/75/16s. They preform well for my needs year round, on & off road. They also last longer, because they run cooler due to tread composition & being syped. In ice the sype is as good as chains.
P.S. IS IT TRUE THAT AWD BACK SPACEING IS DIFFERENT THAN RWD? THANKS!
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I had 245/65/18 on it, and currently have 245/70/18 on it. No rubbing or issues. I also have RWD RT wheels on my AWD RT though.
What's the difference in RWD & AWD wheel offsets?
Thanks
I go a little wider on my tires since there seems to be plenty of rim for it. I have the R/T 20inch chrome rim package option on my 2008 (previous owner got it) so I run 255/45/20 on stock suspension. I've run this size through a couple generations of tires at this point with no problems.
Good point. I forgot to list the overall tire diameter on my post about AWD/RWD tire & rim combinations.
29.5" is the maximum tire diameter on my '06 Magnum AWD R/T. On a RWD, I'm not as sure if this combo will work as all non AWD Magnums sit one inch lower. 29" overall diameter on a RWD should be ok
I have a 2007 AWD R/T and am looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.
2018 Challenger rims 18 inch

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I have a 2007 AWD R/T and am looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.
I have a 2007 AWD R/looking at putting on 255/55R18 tires but would like to know the best wheel width/offset for pushing them out closer to the fenders. Not looking to Lower because in Wyoming I can always use as much ground clearance as possible. If anyone has any other Ideas for size/offset combos I would appreciate it. Pics would be awesome.
I have a '06 Magnum all wheel drive. I'm running 235/60/18 GT radials theyre an all terrain syped mud & snow LT studless snow tire. I run them year round. They're not noisy. They corner exelent for a high sidewall tire. I have five spoke aftermarket mags with 3.5" offset from bolt mount of rotor to front edge of the rim. The tire measured across the center is 29.5" It's a tight fit, but has never bottomed on inner fender. From the top of the tire to the top of the fender arch is 3.75". The tread is just barely inside the fender & the bulge of the tire just barely outside of the fender. This is the biggest 18" wheel/tire combo that will fit AWD & not rub. It fills the fender opening better than stock, but not as much as I'd like. It looks a lot better than the stock look of too tiny of tire compared to too big of fender opening. The only way it would look better is to lower the car 2or3", but that would defeat the whole premise of having an AWD. I can't seem to get this site to accept pictures, or I'd show you what it looks like on the car. Sorry.
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