My 09 truck came with 18 in wheels. What changes if I put 17 inch on it?

20

Asked by Nov 04, 2014 at 11:30 AM about the 2009 Ford F-150

Question type: General

I don't like the low profile tire selection in the 18 inch options. I like a taller tire look which
I see on 17 inch rims. It appears that they fill the wheel-wells up better and to me that
looks better. I'd like to change to them if it doesn't' affect my speedometer,or anything
else. Can you tell me if its a good or bad idea?

7 Answers

16,540

Are the 18 inch rims original to the vehicle or were they added on later, it makes a difference with the speedo, but not to a great degree.

16,540

Oopse, reread the post, seems the 18 inch are original. There will be a slight error in the speedo, but not much. Check the net and you will find the mathematical formula which will tell you how much.

1 out of 1 people think this is helpful.
16,540

The short answer goes thusly. Measure the diameter of the original tires and rims and rims from tread to thread through the middle. Do the same for the tires you anticipate placing on the vehicle. You'll need that number to do the calculation.

2 out of 2 people think this is helpful.
20

Okay, Thanks! Would it be possible to combine a taller tire with a shorter rim (17 inch) and still have the same diameter to not affect the speedometer? I hope this makes sense.

1 out of 1 people think this is helpful.
16,540

The critical measurement is the diameter of the tire from tread to tread. The diameter determines the circumstance of the wheel with the tire attached. The speed of the vehicle is determined by how many rotations the wheels complete for a certain speed. For example: If a 15 inch rim and tire has a diameter of say 36 inches and and a 18 inch rim and tire has a diameter of 36 inches, there is no effect on the speedo.

1 out of 1 people think this is helpful.
16,540

correction. The diameter determines the circumference of the wheel.

20

Awesome info. Thank you.

1 out of 1 people think this is helpful.

Your Answer

Add photo

Related Questions

F-150

Looking for a Used F-150 in your area?

CarGurus has 212,656 nationwide F-150 listings starting at $1,000.

ZIP:

Search Ford F-150 Questions

Ford F-150 Experts

#1 OJ
OJ
Reputation 6,880
#2 dandyoun
dandyoun
Reputation 4,180
#3 tennisshoes
tennisshoes
Reputation 2,510
View All

Related Models For Sale

Used Chevrolet Silverado 1500
2,307 Great Deals out of 156,238 listings starting at $1,395
Used GMC Sierra 1500
931 Great Deals out of 62,271 listings starting at $1,395
Used Dodge Ram 1500
535 Great Deals out of 12,998 listings starting at $2,199
Used Ford F-250 Super Duty
427 Great Deals out of 45,049 listings starting at $2,000
Used Toyota Tundra
626 Great Deals out of 30,696 listings starting at $2,637
Used Toyota Tacoma
627 Great Deals out of 35,082 listings starting at $2,155
Used Ford Mustang
399 Great Deals out of 44,403 listings starting at $1,000
Used Nissan Titan
236 Great Deals out of 16,972 listings starting at $3,999
Used Ford Explorer
1,006 Great Deals out of 73,800 listings starting at $750
Used Chevrolet Tahoe
809 Great Deals out of 28,674 listings starting at $1,500
Used Ford Ranger
209 Great Deals out of 6,719 listings starting at $1,450
Used Chevrolet Colorado
278 Great Deals out of 19,365 listings starting at $1,995
Used Jeep Wrangler
442 Great Deals out of 19,188 listings starting at $2,994

Used Cars For Sale

2017 Ford F-150 For Sale
3 Great Deals out of 100,942 listings starting at $18,940
2016 Ford F-150 For Sale
196 Great Deals out of 43,534 listings starting at $16,995
2015 Ford F-150 For Sale
200 Great Deals out of 7,337 listings starting at $17,480
2014 Ford F-150 For Sale
464 Great Deals out of 11,869 listings starting at $10,700