Francisco_150

I have a 2015 F-150 Supercrew XL 2wd that came with 245/70/17 tires and wheels. I would like to put 275/55/20 tires and wheels which is a stock option.

I believe the dealer should be able to calibrate the new tires to make sure all of my info reads accurately.

Is there anything I should be concerned about regarding this change? Ride quality? MPG loss? Humming? Sluggish acceleration, etc?

Thanks in advance for chiming in.

gDMJoe

Cons:

• ride harness.
• greater possibility of rim curb rash.
• less MPG. *possible.
• greater rolling resistance.

Pros:

• better handling.

gonefishin776

they are only a inch taller. so i would have them check your speedo.

as far as acceleration/ride quality. I'm certain it will stay the same. no worries.

birdmayon

Ride quality will be worse. Your tires act as part of your suspension. More rim and less rubber will mean less bump absorption and a harsher ride. I just switched from stock 18's to stock 20's and my ride got noticeably harsher/bumpier. I love the look of my new wheels but I miss smooth ride of the old ones.

DallasTXF150

Depends on the tires. But in general a shorter sidewall equates to more transference of road NVH. The bigger rims also equates to a likely increase in non-rotational mass that will affect everything from steering feel to roads handling to less MPG (as will the height of the tires).

What tires are you getting OP?

Francisco_150

Thank you all for your input.

I am a little surprised to hear about the ride harshness/bumps since this is a stock size. I've seen Lariat's and Platinum's with this size tire and would think that if the ride was that harsh, they wouldn't sell them stock. Even if its a truck, if you pay $50k+ you probably want a nice, smooth ride.

My wife thinks the ride now is harsh, compared to her Maxima it is, but she would probably hate the ride with 20's. We have a newborn and she hates feeling so much of the pavement bumps especially when he's asleep and it wakes him.

I like the look though. It sucks that the wheels I love only come in 20's. If not, I would have gone with 18" wheels with no hesitation.

Thanks again for the feedback.

Francisco_150

I am looking at the Nitto Terra Grappler G2 in 275/55/20. I would consider the Michelin LTX M/S2 in that size as well. Any other recommendations?

gDMJoe

While it is a stock tire size (275/55x20) you'll notice that they're usually/only available for 4x4 and/or upper-level models. MEANING: Different suspension.
.

T_R

Ford dealers can not correct the speedometer on a 2015 with Ford IDS. I work at a dealer and verified this personally, it's not possible. The only solution is aftermarket.

Francisco_150

That makes sense regarding the 4x4 vs 4x2, thanks Joe. I thought the difference in suspension was primarily felt in off-road use, but its understandable it would make a difference all of the time.

I forgot what website i found this on but i did take a screenshot showing the information on optional tire/wheel sizes and 275/55/20 was an option for the 2wd. Thats why initially i was suprised to hear that regarding the ride harshness.