All Terrain Tires vs Hiway Tires for Towing

zogg wrote:
My 2014 Ram 2500 came with 275/70-18 Firestone Transforce HT (hiway) tires. At 19,000 miles and little towing, they are at less than half tread and one is down to the wear indicators. Additionally, they are terrible in snow, wet roads and almost anything off road.

So, I am ready for a new set of tires. I have been researching everything under the sun, and I think I am going to go with Cooper Discoverer A/T 3's. They have good reviews overall, though you certainly cannot please everyone.

Is there a big difference in MPG going to an A/T vs a hiway tire. I assume there is some, and 20-25 miles per tank would be reasonable....I certainly do not want to drop my MPG by 2-4 mpg....ugh!

Has anyone towed with these tires? Reviews I have read say that they are pretty stable towing but you guys are the experts...

I don't do a lot of off road stuff, but my current Firestones got stuck in my back yard when I was unloading wood pellets...had to go into 4wd to get to the front yard!!

ANyway, and information or suggestions would be greatly appreciated..thanks in advance.

Are you rotating your tires regularly or running under inflated? You should be getting a lot more miles out of a highway tire like that.

As for loosing MPG I dumped my factory 265/60/20 Goodyear SRA highway tires (crap) for larger more agressive 305/55/20 Mickey Thompson ATZs and lost a good 1-1.5MPG. I need the traction because I pull my 5er through the sand a lot Compared to most other ATs they are very agressive and the wider tire size added a lot of rotating mass. Its a combination of tread pattern and tire weight that are going to eat into mileage. The benefit of going to a larger tire is that you don't have to run crazy high PSI when empty like you do with the stock tires so ride improves tremendously. I run these at 45-50PSI empty whereas I was 60-65PSI with the stock tires.