2018 Jeep Wrangler Tire Size

Your Jeep was manufactured with different tire sizes.  To determine the best tire size for your specific 2018 Jeep Wrangler, we first need to determine your rim size.  Please review the information below.

How to Determine Rim Size

Check your existing tires.  Your Jeep Wrangler's rim size is the number to the right of the R.  In the example pictured here, the tire size fits 16-inch rims.

Rim Size Selection

Now that you know your rim size, make a selection below to filter your results.

17-Inch Rims

2018 Jeep Wrangler

 

There are multiple tire sizes for your 2018 Jeep Wrangler that depend upon the trim level.  Look for your trim level below to get a color-coded explanation of your tire size.  Then pick the best tire size for your 2018 Jeep Wrangler.

Trim Options:

SportSport SUnlimited SportUnlimited Sport S

245/75R17 112S

Simplified Size:  245-75-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler is 245/75R17 112S.  A color-coded explanation of the 2018 Jeep Wrangler's tire size is shown below.

245

This number indicates that your tire has a width of 245 millimeters.

75

This number means that your tire has an aspect ratio of 75%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width.  In this case, the sidewall height works out to be 183 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

112

This tire has a load index of 112, which means it's capable of carrying a load of 2464 pounds (1120 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

S

This tire has a speed rating of S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

SportSport SUnlimited SportUnlimited Sport S

245/75R17 112T

Simplified Size:  245-75-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler is 245/75R17 112T.  A color-coded explanation of the 2018 Jeep Wrangler's tire size is shown below.

245

This number indicates that your tire has a width of 245 millimeters.

75

This number means that your tire has an aspect ratio of 75%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width.  In this case, the sidewall height works out to be 183 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

112

This tire has a load index of 112, which means it's capable of carrying a load of 2464 pounds (1120 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

T

This tire has a speed rating of T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

RubiconUnlimited Rubicon

LT285/70R17/C 116Q

Simplified Size:  285-70-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler is LT285/70R17/C 116Q.  A color-coded explanation of the 2018 Jeep Wrangler's tire size is shown below.

LT

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
285

This number indicates that your tire has a width of 285 millimeters.

70

This number means that your tire has an aspect ratio of 70%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width.  In this case, the sidewall height works out to be 199 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
17

The tire size was designed to fit rims or wheels that are 17 inches in diameter.

C

The mark of C denotes your tire's load range, or ply rating.  A load range of C means that the tire has a ply rating of 6.  Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures.  Tires with higher inflation pressures can carry heavier loads.

116

This tire has a load index of 116, which means it's capable of carrying a load of 2750 pounds (1250 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

Q

This tire has a speed rating of Q, which means 99 mph (160 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

18-Inch Rims

2018 Jeep Wrangler

 

Your 2018 Jeep Wrangler was manufactured with multiple tire sizes.  Choose a tire size below to get a color-coded explanation of the differences.  Then pick the best tire size for your 2018 Jeep Wrangler.

Trim Options:

Unlimited Sahara

255/70R18 113S

Simplified Size:  255-70-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler is 255/70R18 113S.  A color-coded explanation of the 2018 Jeep Wrangler's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

70

This number means that your tire has an aspect ratio of 70%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width.  In this case, the sidewall height works out to be 178 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
18

The tire size was designed to fit rims or wheels that are 18 inches in diameter.

113

This tire has a load index of 113, which means it's capable of carrying a load of 2530 pounds (1150 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

S

This tire has a speed rating of S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

Unlimited Sahara

255/70R18 113T

Simplified Size:  255-70-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler is 255/70R18 113T.  A color-coded explanation of the 2018 Jeep Wrangler's tire size is shown below.

255

This number indicates that your tire has a width of 255 millimeters.

70

This number means that your tire has an aspect ratio of 70%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width.  In this case, the sidewall height works out to be 178 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
18

The tire size was designed to fit rims or wheels that are 18 inches in diameter.

113

This tire has a load index of 113, which means it's capable of carrying a load of 2530 pounds (1150 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

T

This tire has a speed rating of T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

2018 Jeep Wrangler - Similar Models

The 2018 Jeep Wrangler has similar models that may have different tire sizes.

2018 Jeep Wrangler JK