P275/70R18?

My 2010 double cab badly needs new tires. Currently has P275/65R18 Bridgestones on steel wheels removed from a 2017, and they look small and wimpy on it, I'd like something a bit bigger and better looking. I've been flipping through the 275/70R18 thread and really like the look of those, especially not lifted - I'm on 5100's on the middle setting but otherwise stock. If I change the wheels, it'll just be to newer TRD Offroads taken off someone else's truck, and maybe adding spacers.

Thing is, my truck is a 4.6L 2wd. It's 99% on pavement, and I've only towed once for about 5 miles in two years of owning it. I'm in north Alabama, so snow or ice isn't a concern, as long as it's good in rain I'm set. As much as I like the look of the big badass all-terrains, I feel it'd just be pretending the truck is something it's not, as well as completely unnecessary for what I use it for. Plus, the LT tires weigh a lot more than the ~41lb tires on it now, and I'm happy with the mileage I get (it's not hard to break 20.5mpg on highways).

Point is, I think I'm more comfortable with a P tire, but I'm not seeing many P275/70R18's; in fact, all I've found is the General Grabber APT, which I'm not familiar with. Are there other options, preferably in that price range? Or do I need to just look at 265/70R18 instead? It appears close enough and to have more options.

 

20.5 mpg on the highway!? Must be nice lol. You found a unicorn in the General ATP. I'm not aware of any other 275/70/18's that aren't LT. That's the size I'm running and they look and perform great but my mileage did take a hit. I'm averaging 15.2 highway. I'm also on 5100's on the middle setting and I think they fill the wheel wells nicely. You're right though, you'll find more choices in a 265/70 that will keep the weight down and still have an aggressive look. My dad is running P275/65/18 Cooper AT3 4S's on his '14 4.6L DC and they're really not that much different looking than my 275/70 Cooper AT3 XLT's. They ride great, excell in rain and snow, they're pretty quiet and his mileage is right around 18 on the highway.

 

You are correct about the 275/70/18, I think about 99.9% of them are all LT tires. I would suggest either the 265/70/18 if you want a little more height, or just stay with the other stock size of 275/65/18. An all terrain in the same size as stock will "look" bigger since it will be a little more aggressive than an all out highway tire.

One thing I've noticed though, a lot of the 265/70/18 are now being made in an LT as well, but you have some options.

 

My other thought has been to find someone that's removing the TRD Offroad wheels and stock Michelins from a new Tundra. I do like the look of those tires though I wish they were a bit bigger, and do really like those wheels better than the steels. I haven't had a lot of luck with them in my area though.

Am I correct in thinking the weight would affect mileage more than the size increase of either 275/70/18 or 265/70/18? Either is bigger than what I have, though I guess 265 is slightly narrower, probably not enough to notice.

Sure is! Somewhat hilariously, the Tundra mileage is about the same as my old 2004 Tacoma Prerunner 3.4L. I expected the bigger truck and bigger motor to be a lot worse than it in that department.

 

I think I'm leaning toward the Continental TerrainContact A/T in P265/70-18. I parked next to another Tundra today and noticed whatever tires on it were that size, it looked good. Should be a half inch taller and a half inch narrower than what I have, and also a half inch from what I originally wanted. Seems to be very well rated, looks good, and weighs the same or less than what's on it now, so hopefully the tread pattern alone doesn't kill the mileage. If I eventually add spacers and TRD wheels in my mind it'd look good.