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Old 02-12-2019, 09:35 AM   #1
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Deciding on tires for my new 2019 F150

I'm getting ready to order my new F150 and trying to decide between the stock 18", 20" or the LT tires. We tow our Lacrosse 327RES about 2500 to 3000 miles every year, so need something that won't kill the ride for the balance of the driving. I'm asking about stock tires offered by Ford, not aftermarket.

Any suggestions or experiences will be appreciated.
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Old 02-12-2019, 09:47 AM   #2
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I thought that Ford dealers once claimed to be tire dealers also...

I have a '14 RAM 1500 with Michelin Defender LTX M/S 20" wheel... after 40,000 miles with the measured tread depth I currently have I am looking at 80,000 miles on these tires.
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Old 02-12-2019, 10:22 AM   #3
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You can search the web for myriad opinions on LT vs P tires for towing. Here is one such article that, as most do, suggest that LT is a much better platform on which to tow. You can also look at what the manufacturers do -- offer 1/2 ton trucks with tow packages and P-rated tires from the factory, seemingly endorsing the practice of towing with P-rated tires.

In the end, the differences between LT and P tires aren't fictional. Plies, belts, tread depth, sidewall stiffness, and so on are all real things and they all, to at least some degree, benefit towing. That doesn't mean you'll end up in a ditch if you tow with P-rated tires.

If I didn't need new tires and had P-rated tires, I'd simply look at the data. What are my P-rated tires' stated load capacity and does that accommodate my intended load? If they do, I'm done.

If I needed new tires, it's a no-brainer: I'm getting LT tires that are objectively better for towing. You cannot argue the converse. You can argue whether or not it is significant, but you cannot, in good faith, argue that LT tires don't have towing-related advantages.

LT tires are much heavier and stiffer. The ride is much worse and fuel economy is likely to suffer. My F150 with E-rated LT tires rides significantly rougher than F350s I've driven and I lost 1.5 mpg when I installed them. If you're not towing, I'd not get them.
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Old 02-12-2019, 07:51 PM   #4
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To the above post's point, of the 51,000 km on my truck only 18,000 were while towing. None of that towing was anywhere near my payload or tow maximums. I've towed all of it with what stock P metric tires that have a higher total rating than my GAWR. If I were towing a lot more and less DD than maybe I'd move to LT tires. If I were towing near maximums well I'd probably get a 3/4 ton Suburban again.
LT tires on a half ton mean compromising ride comfort, payload and fuel mileage.
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Old 02-12-2019, 07:59 PM   #5
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I have a '15 Ram Ecodiesel, changed to 18's, and run Michelin Defender LTX LT275/65R18

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Old 02-12-2019, 09:23 PM   #6
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Quote:
LT tires on a half ton mean compromising ride comfort, payload and fuel mileage.
I am sure you have read about some that pump up their P tires to tow with and lower them to drive... well that can happen also with LT so, no ride comfort compromise if you care to do that... ( unless of course you ride on those brutal Canadian roads full-time, Eh?) and fuel mileage should necessarily be better with higher pressure (harder) tires because of less rolling resistance... and finally you are saying that higher weight tires ( LT Vs P), which is maybe 40# for 4 of them... this is going to compromise your payload capability by 40#???

I think all of those supposed negative items are a stretch, and I personally like the better tracking steering I get with my LT tires with less sidewall flex... ONLY MY 2 cents worth...
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Old 02-12-2019, 09:27 PM   #7
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My 2018 F-150 Lariat came with 18" Michelin Primacy XC. 2756# load and it rides great when not towing. Much more load capacity than my gross axle weight rating. I have zero sway with my trailer so I will never buy LT tires.


Out of curiosity, why an F-150 and not a F-250. Not sure I would tow that trailer with a 1/2T
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Old 02-12-2019, 09:45 PM   #8
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ChooChooMan74...
Quote:
I have a '15 Ram Ecodiesel, changed to 18's
would you care to share your reasoning? Did you drop down from 20's?
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Old 02-12-2019, 09:54 PM   #9
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Load E range LT tires in the half tons I've driven have terrible ride quality. Load C range LT tires weren't bad.

On my colleague's truck with 20 inch rims the Load E range tires were 15lbs per tire heavier. that's only 60lbs, but still 60lbs less payload for negligible benefit for the small amount of towing we do. His measured fuel economy dropped by 1.5mpg. His wife my switch the tires back after a year.

So yes a compromise on all three areas. Only the owner can decide if those things are worth for the towing they do. With my current truck towing the car hauler i have I've not felt the need to move to LT tires. The stock P metric Goodyears have done a great job. I've towed this trailer with 4 other vehicles and have felt quite comfortable with the current setup.
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Old 02-12-2019, 10:32 PM   #10
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Quote:
Originally Posted by luker0 View Post
Load E range LT tires in the half tons I've driven have terrible ride quality. Load C range LT tires weren't bad.

On my colleague's truck with 20 inch rims the Load E range tires were 15lbs per tire heavier. that's only 60lbs, but still 60lbs less payload for negligible benefit for the small amount of towing we do. His measured fuel economy dropped by 1.5mpg. His wife my switch the tires back after a year.

So yes a compromise on all three areas. Only the owner can decide if those things are worth for the towing they do. With my current truck towing the car hauler i have I've not felt the need to move to LT tires. The stock P metric Goodyears have done a great job. I've towed this trailer with 4 other vehicles and have felt quite comfortable with the current setup.
How do the Load Range E tires result in 60 lbs less payload? They're on the wheels, not being carried by the truck as payload.

I drive a 3/4 ton Ram pickup with Michelin Defender Load Range E tires. I actually find them to have a better ride than the tires on my wife's Subaru.

Bill J., Lexington, KY
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