what is the stock rim size of my car

by Mrs. Sylvia Bednar Sr. Published 3 years ago Updated 2 years ago

To find out the width of your stock wheel, you must look at the back side of the rim itself. Imprinted on a spoke of the OEM wheel is a number, such as 16x7. The “16” refers to the diameter, another way to discover this element, and the “7” refers to the rim’s width.

Full Answer

How to determine your rim size?

Jun 01, 2012 · It is usually located on the back of a spoke along with the factory numbers, or engraved into the inside of the barrel. The dimensions will always be written as something like 20X8.5J indicating that the wheel is 20” by 8.5”, the width being 8.5”. Some imported brands will list the numbers in opposite order, but the same concept applies.

How to select the perfect rim and tire size?

My Wheel Size (Optional) Diameter 12" 13" 14" 15" 16" 17" 17.5" 18" 19" 19.5" 20" 21" 22" 22.5" 23" 24" 24.5" 25" 26" 28" 30". Width 4" 4.5" 5" 5.5" 6" 6.5" 6.75" 7" 7.25" 7.5" 8" 8.25" 8.5" 8.55" 8.75" 9" 9.25" 9.5" 9.75" 10" 10.25" 10.5" 10.75" 11" 11.5" 12" 12.25" 12.5" 14" 16" 85" 90" 95" 106" 108".

What rims will fit my car?

May 07, 2022 · Rims Rim 1 (16x6.5 ET 45) Rim 2 (17x7.5 ET 40) Rim Diameter 406 mm 432 mm ⬈ 6% Rim Width 165 mm 191 mm ⬈ 15% Backspace 140 mm 148 mm ⬈ 5% Offset 45 mm 40 mm ⬊ 11% Typical Weight 7.7 kg 10 kg ⬈ 30% Tires Tire 1 (205/55 R16) Tire 2 (225/45 R17) Section Width 205 mm 225 mm ⬈ 10% Sidewall 113 mm 101 mm ⬊ 10% Overall Diameter 632 …

How to measure rims?

The final number in your tire size (before the separate load index and speed rating) denotes both tire and wheel size. In the diagram just below, the size is 17 which translates to 17". This tire is fitted to a 17" wheel.

How do I find out my rim size?

Locate the stamped size on the back of the hub on the rim. This is the assigned measured size of the rim, and it is broken into three sizes: diameter, width and bolt pattern. For example, a 14 by 6 by 4.5 reading on the rim indicates that the diameter of the rim is 14 inches, and it will accommodate most 14-inch tires.

How wide is my stock rim?

Luckily, measuring rim width is pretty simple to do! Just take a ruler, yardstick or tape measure and measure the distance from bead seat to bead seat. The rim width is also included in the wheel size, which you can find stamped on the back of the wheel, or in your owner's manual.

How are stock rims measured?

Measure from any bolt to the outside edge of a bolt on the opposite side for a 5-lug rim. A wheel with 5 lugs won't have a symmetrical set of bolts. To measure a 5-lug rim, place the hook of your measuring tape in the middle of a bolt.

What is the standard size rim?

Diameter of the 'rim' in inches (excluding the tyre). Standard road cars generally have wheels that are between 14 inch and 19 inch in diameter. Luxury, sporty cars, SUVs and 4×4 vehicles generally have the bigger size wheels.

Are all rims the same size?

Common rim sizes include 15, 16 and 17 inches. Rim size will vary depending on the make and model of the car and manufacturers may release different models of the same car with different rim size options.

Do all rims fit all cars?

But you might not know what wheels from other vehicles will fit your car. Fortunately, it's possible to use a replacement wheel from any vehicle. However, you should ensure that that the original wheel has the same bolt pattern, wheel offset, and size of the new one.

What size tire will fit my rim?

You will see a series of letters and numbers that will look like this for example: 205/55R16. This will confirm the size of the tires on your vehicle. Make sure all 4 tires read the same size, as some vehicles come with staggered fitments which means the front and rear wheels and tires can be different sizes.Mar 29, 2021

Can I put bigger tires on my stock rims?

As a general rule of thumb, it's safe to fit a tire up to 20 millimeters wider than stock on the original rim. The actual width of the tire will vary depending on the width of the rim: The tire will expand 5 millimeters for every half inch (12.5 millimeters) increase in rim width.

Are 17 or 16 inch wheels better?

17-inch wheels have better grip and traction than 16-inch tires. This is because the contact patch, or the amount of rubber on the ground at any given time, is larger with a 17-inch tire. With more rubber on the ground, there's more traction and grip to keep your car from slipping when accelerating or braking.

Why is the tire size based on the rim?

Why is that? It’s because the measurement is based on where the tire actually sits, not where the edge of the rim is. So now you’re probably wondering “How can I figure it out without taking the tire off the wheel!” It’s actually very easy. You’re tire will actually give the diameter of the rim. For example, imagine your tire says P275/55R20. That “R20” at the end actually indicates that this tire is for a 20” diameter wheel. The wheel on this vehicle is a 20” Chevy truck wheel which unfortunately doesn’t narrow it down a whole lot because there are lots of 20” Chevy truck rims available but now you know to only look at the 20” when looking for your style.

What does R20 mean on a tire?

You’re tire will actually give the diameter of the rim. For example, imagine your tire says P275/55R20. That “R20” at the end actually indicates that this tire is for a 20” diameter wheel.

Why is it important to know the size of a wheel?

By knowing the size of the wheel, our customers need we can narrow it down to a single part number and assure we get out the right wheel. Some companies even offer the exact same style of wheel in multiple size variations, so it can be very important to not just know what the wheel looks like, but the size as well.

Where are the dimensions on a wheel?

Some wheels, like steel wheels, give the dimensions on the front of the rim, either toward the outer edge or near the center around the lug nuts. But most wheels, especially alloy wheels, only show the dimensions on the back side.

How to compare tire sizes?

To compare tire sizes, first select your vehicle stock tire size. Immediately available tire sizes that are with in plus or minus 3% variance will be displayed. Select the tire sizes to compare to your stock size and click 'Compare Selected Sizes'.

How much of the diameter should you change your tires?

When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. Any more than this and you face the risk of brake failure.

What does 4x100 bolt pattern mean?

A bolt pattern of 4×100 means that the wheel takes four lug nuts and that the holes are 100mm apart. With these three numbers, you should be able to choose rims that will be appropriate for your vehicle. If you don’t know your numbers, click here to find wheel and tire package that we guarantee will fit your vehicle.

How to determine offset of wheels?

The offset of your existing wheels is determined by measuring between the center line of the wheel and the wheel mounting pad. If you buy wheels with the wrong offset, the wheels may rub on the body of the car or even interfere with the car’s brakes or suspension system .

Where to find rim size on car?

The two easiest ways are to check the sticker plate in your car, it should be located inside the driver side door, or look online for the vehicle specifications for your exact make and model. That should tell you the standard rim size.

What happens if your wheel and tire setup is too wide?

If the wheel and tire setup is too wide, serious vehicle damage and compromised vehicle safety can result.

Why are aftermarket wheels bigger?

Bigger aftermarket wheels are perhaps most often fitted to vehicles for cosmetic purposes. They can have a profound influence on the look and presence of a vehicle. Bigger wheels and the accompanying bigger tires can have a favorable influence on certain vehicle performance purposes like off-roading.

Why are winter tires narrower than stock tires?

The narrower footprint allows the wheels and tires to better “slice” through wintry precipitation.

What determines the width of a wheel?

Wheel width on a new set of wheels should be primarily determined by two considerations: Clearance and purpose.

What happens if you change the wheel diameter of your tires?

If you change rim width or diameter, e.g. moving from an 18" wheel to a 19" wheel diameter, then your stock tires will no longer fit the rims.

How to determine clearance?

To determine clearance, an automotive professional will need to measure and evaluate the space between your stock wheels and tires and all surrounding components. Clearance should be evaluated at both the front and rear axles, and while the suspension is loaded with the vehicle weight.

What is the width of a wheel?

As you look down at the wheel, the width is the measurement from left to right between the wheel edges, also called the wheel lips .

What is PCD in wheel?

PCD consists of the diameter of the circle that passes through the center of all the wheel bolts, the number of these bolt holes and the wheel offset.

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What is backspacing on a car?

The backspacing is the distance from where the hub section of the wheel contacts the hub surface of the car to the back lip of the wheel (See picture below). Backspacing is always measured in inches and is closely related to the offset so that means when you change one it immediately affects the other.

What is offset on a Mustang wheel?

The offset of a wheel is the distance from the hub mounting surface to the center line of the wheel. This is an important measurement to keep an eye on when choosing your next set of Mustang wheels. The wheel offset is measured in millimeters and results in three different types of offsets.

How to measure wheel backspacing?

You can measure a wheel’s backspacing by running a straight edge across the rim bead (without a tire) and dropping another straight edge or Tape measure/ruler down to the wheel face, measuring that distance. (See picture below)

What are the different types of offsets?

The Three Types of Offset 1 Positive Offset: The hub mounting surface is toward the face of the wheel. 2 Negative Offset: The hub mounting surface is toward the back of the wheel. 3 Zero Offset: The hub mounting surface is even with the centerline of the wheel.

What are the two measurements to consider when measuring a wheel?

With the Wheel Diameter, keep in mind that there are two measurements to consider: Overall Wheel Diameter and Actual Wheel Diameter.

What is a bolt pattern?

The bolt pattern consists of two numbers and looks like this: 5×4.50. The first number in this example (5) indicates how many bolt holes or studs are on the vehicle while the other number (4.50) describes the diameter of the circle formed by those 5 holes or studs. They are listed in either inches or millimeter units (4.50 is inches). Another example: a bolt pattern of 4×100 indicates a pattern with 4 lugs on a circle with a diameter of 100mm.

Where is the diameter and width cast on a wheel?

Using these tools, you will be able to find the overall dimensions of the wheels you have! Many wheel manufacturers will also have the Diameter and Width Cast in the back of the wheel (example: 17x9) to make it easy to know the main size. Source: Discount Tire