The Ford F250 was created as a rugged workhorse for all possible tasks and challenges. Owners love their trucks for their high towing capabilities, excellent offroad traction, and durability.
While some F250 owners keep their vehicles with no changes, others, especially enthusiasts, are willing to customize their trucks primarily by installing bigger tires.
So, what is the biggest tire you can fit on a stock F250?
According to the manufacturer, the biggest tire size for a stock Ford F250 varies from 31.73 to 32.1 inches.
A 33-inch tire is the most considerable size that fits stock 1995-2014 F250 trucks with no intrusion to the suspension or body parts.
The even bigger 34-inch tire can be mounted on stock custom-built Ford F250 trucks produced in 1984-1986 and 2019 model years. Such a tire fits Ford`s wheel wells and doesn’t rub them.
The maximum tire size for an F250 with OEM suspension is a 35-inch tire. It fits only 1970, 1977, and 2017 generations of Ford F250 trucks without any scrubbing and trimming issues.
We`ve classified the tire and rim sizes after researching numerous truck owners’ custom projects from various forums. Additionally, we created a helpful table listing the largest tire sizes for each year.
We only recommend tire sizes that don’t provide any rubbing, require fender cutting, or modify the factory suspension.
What size tire can I fit on a stock Ford F250?
Sizes of tires that can be installed on a stock Ford F250 can be different due to various factors such as year of truck manufacturing, cab trim level, rim size, and suspension.
In the majority of cases, totally stock F250 can accommodate the following tire sizes: for the 17-inch rim – LT245/75R17 (31.5 inches), for the 18-inch rim – LT275/70R18 (32.7 inches), for the 20-inch rim – LT275/65R20 (34 in inches).
From the above outcomes, you can mount tires from 31 to 34 inches on your stock Ford F250 depending on the size of the rim you may have on your truck. If you are willing to know which tire size variations fit this or that particular generation, we shall consider all this below.
A 33-inch tire size is considered the best for everyday usage. Such a tire fits almost every generation of F250, making the 33-inch size widely applicable to Ford trucks. For example, a 33-inch tire can be mounted on stock F250 vehicles produced in 1995-2014 without further modifications.
A 33×12.5 (rarely 33×10.8) tire size is the best option for stock 1995-2014 Ford F250 trucks with factory suspension equipped with 17×9, 17×10, and 20×9 rims. To fit this size of a tire, you won’t have to make trimming of the F250`s body or plastic parts. Additionally, 33×12.5 tires cause no rubbing of fenders or truck suspension components like sway bars.
A bigger 34-inch tire is also possible to mount on a stock F250. For now, a 34-inch tire size application is widespread between 1977-1986 Ford trucks. However, one enthusiast has mounted such a tire on his 2019 F250.
Let’s move on to more detailed information. A 34.6×12.4 tire on a 16×8 rim is the biggest size that fits a stock 1977 Ford F250. The owner didn’t use any leveling, lift kits, or body cuts to make tire fitment on his truck.
1984-1986 F250 fits 34.1×10.8 tire on 20×9 rim or 34.6×12.4 tire on 16.8 wheels with no rubbing and further concern.
Speaking about the modern 2019 Ford F250, one can mount a 34.1x10x8 tire (like on 1984-1986 gen) on a 20×10 rim without any side or additional modifications to the truck.
The maximum tire size that can fit stock Ford F250 wheel wells is a 35-inch tire. A 35-inch tire can be placed on a 1970-2017 F250 truck with stock suspension and no trimming.
Here are several examples with parameters. A 35×12.5 tire is the largest size for a stock Ford F250 truck produced in 1970, 1977, and 2017. For a 35×12.5 tire, recommended rim sizes are: for 1970 and 1977 Ford trucks – 17×9 rims, for 2019 F250 vehicles – 18×9 wheels.
What size tires come on stock Ford F250 20–inch wheels?
Tire sizes for a stock F250 equipped with 20-inch rims can be individual because of the year and trim of the truck. However, LT275/65R20 is the most widely applicable size for a 20-inch wheel for a stock F250.
What are the biggest tires that can go on a stock Ford F250 with 18-inch rims?
The biggest tire size that can be mounted on a stock F250 with an 18-inch rim with no side mods to the suspension or truck is around 35 inches in diameter and 12.5 inches in width.
The tallest tires you can put on stock Ford F250 with 17-inch rims
The tallest tire size one can install on an F250 is determined by the specific model and year of the Ford truck. The maximum size that fits stock Ford F250 with 17-inch rims is a 33×12.5-inch tire.
What Are the Biggest Tire Alternatives for My Ford F250?
The table below shows the largest tire configurations for different rim diameters that Ford enthusiasts installed on their customized F250s.
All tire and rim sizes in this chart allow you to mount the largest tire with the stock suspension depending on the year the Ford F250 model was produced.
What size tires are best for stock F250?
Usually, larger tire size upgrades involve additional changes to the truck. Depending on the tire size chosen, one has to use leveling or lift kits, trim the truck’s body, or else.
However, fitting a bigger tire on a stock Ford F250 with no mods is possible.
The Ford F250 tire sizes can vary from 235/85R16 to 275/65R18, taking into account the trim level and year of your truck production.
We’ve compiled details about each generation of stock Ford F250 trucks and the tire sizes they can fit so that you may see all the available options. The table below will be your guide, assisting you in determining the best tire size for your F250 truck.
|Generation||Years||Rim Size||Tire Size||Diameter||Width||Aspect Ratio||Load Range|
| F250 6th Gen||1977-79||16×6||LT235/85R16E||31.7″||9.3″||85||E|
| F250 7th Gen||1980-86||16×6||LT235/85R16E||31.7″||9.3″||85||E|
| F250 8th Gen||1987-91||16×7||LT235/85R16E||31.7″||9.3″||85||E|
| F250 9th Gen||1992-97||16×7||LT235/85R16E||31.7″||9.3″||85||E|
| F250 10th Gen||1999-04||16×7||LT265/75R16E||31.6″||10.4″||75||E|
| F250 11th Gen||2005-07||17×7.5||LT265/70R17E||31.6″||10.7″||70||E|
| F250 12th Gen||2008-10||17×7.5||LT275/65R18E||33.1″||10.8″||65||E|
| F250 13th Gen||2011-16||18×8||LT275/70R18E||33.2″||10.8″||70||E|
| F250 14th Gen||2017-19||18×8||LT275/65R18E||32.1″||10.8″||65||E|
Can you fit 33-inch tires on a stock Ford F250?
Yes, you can. On F250 Ford trucks produced from 1999 to 2016, it is possible to install 33-inch tires with a stock suspension without any other modifications.
Will 35-inch tires fit on a stock For F250?
Yes, a 35-inch tire size can fit a stock Ford F250. This tire can be mounted on vehicles produced from 1970 to 2017 on a stock suspension and with no further modifications.