17 or 18 inch rims? - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums

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post #1 of 3 Old 12-22-2011, 11:03 AM Thread Starter
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17 or 18 inch rims?

I currently have a set of Moto Metal M0950's on my truck in the 17" size with 285/70/17 Hankooks on them.

There is a local guy looking to trade his American Racing AR670 18" rims with Toyo Open Country's in 325/60/18.

The tires are roughly the same size, they are the same height but the Toyo's are about an inch wider than my current tires.

My question is, do you think that extra inch of width is going to hurt my gas mileage significantly?

Also is it easier and cheaper to find tires for a 17" rim or an 18" rim or is there much of a difference.

I can't seem to find any specs on these wheels to figure out how much they weigh, although I don't imagine the weight difference is going to be huge between a 17" and an 18" rim.

In the future I want to get 34" tires on my truck so either a 305/70/17 or a 305/65/18. Any ideas on which would be cheaper and have more available selection? It sounds like a decent trade and I like the idea of an 18" rim over a 17" as I think it would look a little better. I just don't want to do the trade then end up not being able to find tires for the 18's or getting screwed on the price for 18 size tires.

2006 Ram 2500 5.9 Cummins Mega Cab 4X4 G56

5" TBE, Hide Away Goosneck Hitch, Leveled, Moto Metal Wheels, 35" Dick Cepeks, Laramie Front Bumper, Bakflip Tonneau Cover, Painted Heads, Tinted Tails, Painted Interior, Limo Tint, VP Secondary Fuel Filter. To Come: H&S Mini Maxx, Line-X Bed Liner, In dash DVD, Leather Seats.

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2005 Ram 1500 5.7 Hemi Quad Cab 4X4 SLT.

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post #2 of 3 Old 12-22-2011, 12:09 PM
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The weight is very minimal going from 17 to 18 as for price of tires 17 inch tires are cheaper then 18's

now the only reason i would change from my 17's to 18's is that i would like to get a bit more clearance between the inside of my rims and my caliper. I've been cathcing little pieces of rocks and mud buildup in between and it's gouging and scrapping all the inside of my rims.

08 Dodge Ram 1500 Quad Cab Short Box Inferno Red 5.7L H.E.M.I

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post #3 of 3 Old 12-24-2011, 04:51 PM
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Take a look at Tire Rack and 4 wheel parts to check various sizes and prices. Granted they are regularly coming out with new additions but at least you'll get an idea. I'm running 17x9 with the 285 Michelin LTX M/S2s. Had the BFGs but not hunting or pulling trailers any longer.


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- 17" x 9.0" ProComp 7089 Black Aluminum Rims
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