2015 Infiniti Q50 Tire Size

Your Infiniti was manufactured with different tire sizes.  To determine the best tire size for your specific 2015 Infiniti Q50, we first need to determine your rim size.  Please review the information below.

How to Determine Rim Size

Check your existing tires.  Your Infiniti Q50'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

2015 Infiniti Q50

 

The original tire size for your 2015 Infiniti Q50 is listed below. Tap on the box to view a color-coded explanation of your Infiniti Q50's' tire size.

P225/55RF17 95V

Simplified Size:  225-55-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Infiniti Q50 is P225/55RF17 95V.  A color-coded explanation of the 2015 Infiniti Q50's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
225

This number indicates that your tire has a width of 225 millimeters.

55

This number means that your tire has an aspect ratio of 55%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width.  In this case, the sidewall height works out to be 123 millimeters.

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

17

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

95

This tire has a load index of 95, which means it's capable of carrying a load of 1518 pounds (690 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

V

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

19-Inch Rims

2015 Infiniti Q50

 

There are multiple tire sizes for your 2015 Infiniti Q50 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 2015 Infiniti Q50.

Trim Options:

Sport w/Performance Pkg.

245/40R19 94Y(Front)

Simplified Size:  245-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Infiniti Q50 is 245/40R19 94Y (Front).  A color-coded explanation of the 2015 Infiniti Q50's tire size is shown below.

245

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

40

This number means that your tire has an aspect ratio of 40%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.  In this case, the sidewall height works out to be 98 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
19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

94

This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

Y

This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

Sport w/Performance Pkg.

265/35R19 94W(Rear)

Simplified Size:  265-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Infiniti Q50 is 245/40R19 94Y (Front).  A color-coded explanation of the 2015 Infiniti Q50's tire size is shown below.

265

This number indicates that your tire has a width of 265 millimeters.

35

This number means that your tire has an aspect ratio of 35%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width.  In this case, the sidewall height works out to be 92 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
19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

94

This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

W

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

Hybrid PremiumHybrid SportPremiumSport

245/40RF19 94W

Simplified Size:  245-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Infiniti Q50 is 245/40RF19 94W.  A color-coded explanation of the 2015 Infiniti Q50's tire size is shown below.

245

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

40

This number means that your tire has an aspect ratio of 40%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.  In this case, the sidewall height works out to be 98 millimeters.

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

94

This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

W

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.

Trim Options:

Hybrid PremiumHybrid SportPremiumSport

P245/40RF19 94V

Simplified Size:  245-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Infiniti Q50 is P245/40RF19 94V.  A color-coded explanation of the 2015 Infiniti Q50's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
245

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

40

This number means that your tire has an aspect ratio of 40%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width.  In this case, the sidewall height works out to be 98 millimeters.

RF

The mark of RF indicates that the tire is reinforced.  This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load.

19

The tire size was designed to fit rims or wheels that are 19 inches in diameter.

94

This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

V

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.