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Amazon Answers: What Does The Z Mean On Tires?

**1.** What Does Z Mean On The Tires

What Does Z Mean On The Tires found in: The Custom Assembly of O.Z. 3-Piece Wheels | Tire Rack, Wheel Construction | Tire Rack, What are Speed Ratings..^{(1)}…

What does ZR mean on the side of my tire? ZR shown on the side wall of your tire is a reference to the speed rating of the tire.^{(2)}…

**2.** What Do the Numbers on a Tire Mean? – Car and Driver

A “T” means it’s a temporary spare. Some tires get a “Z” or an “F” attached to the radial indicator, denoting a Z-rated tire (see service ^{(3)}…

But what about that “Z” rating mentioned earlier? “Z” means that the tire has been tested over 149 mph, but doesn’t indicate how far over.^{(4)}…

**3.** Tire Speed Rating Explained | Firestone Complete Auto Care

A letter from A to Z symbolizes a tire’s certified speed rating, ranging from 5 km/h (3mph) to above 300 km/h (186 mph). This rating system, listed below, ^{(5)}…

**4.** Tire Speed Ratings, Explained

A tire’s certified speed rating is given a letter from A to Z, ranging from 5km/h It does not indicate the total performance capability of a tire.^{(6)}…

The rating system uses letters from A to Z. Here, you can see that a tire with a 91V mark can them run at a maximum speed of 149 mph while carrying 615 ^{(7)}…

**5.** What do the numbers on a tire mean? – Motor Authority

Back to the Z. The letter used to designate the highest possible speed rating, and it meant the tire could withstand more than 149 mph.^{(8)}…

**6.** What Does Z Mean In Tire Size – HowToDiscuss

Although the ZSD rating is still frequently reflected in tire size names such as 205 / 40ZR17, size Z means over 240 km / h SD capacity, ^{(9)}…

What do the numbers and letters on tires mean? But what exactly does that mean?? with high speed rated and high performance tires (W, Y, and Z).^{(10)}…

**7.** What Is A Tire Speed Rating?

What does “Up to 99 mph” really mean? For tires having a maximum speed capability above 149 mph, a Z rating may appear in the size designation above ^{(11)}…

**8.** Tire Speed Rating Codes: What They Mean

What does “speed rating” mean on tires? What do the letters mean? ZR-Rated Tires: The ZR rating (or Z rating) indicates anything ^{(12)}…

Z-rated tires will sometimes have the letters ZR embedded with the tire size information instead of in the service description.^{(13)}…

**9.** ZR or R tyres, high performance tyres – TyreLeader.ie

What is the difference between R and ZR tyres ? ZR basically means the tyre is adapted for speeds above 149 mph. ZR tyres includes the speed ratings ^{(14)}…

**10.** Speed Rating Load Index – Pep Boys

P designates this tire as a passenger car tire, an LT before the tire size would mean the tire is a light truck tire, and a European metric tire would have no ^{(15)}…

**11.** How To Read A Tire Sidewall | Continental Tire

What do the numbers mean on the sidewall of your tire? H Speed ratings are represented by letters ranging from A to Z. Each letter coincides to the ^{(16)}…

Performance vehicles may come with Z- (149-plus mph) or W-rated tires (168 mph). Tires with higher speed ratings and lower aspect ratios tend to ^{(17)}…

**12.** Tire Speed Rating Explained | Firestone Complete Auto Care

The “R” actually stands for radial, not rim and is the type of technology the tire uses. What does the Z mean in tire size? The Z means that the ^{(18)}…

**13.** Tire Speed Rating Explained | Firestone Complete Auto Care

What tire size numbers mean. All the numbers refer to measurements while the letters refer to tire types and ratings — as we’ll explain later.^{(19)}…

**14.** What Do Tire Numbers Mean? | Tire Codes | Underriner Motors

So, if you’re wondering, “What does 95h mean on a tire? This rating ranges from A – Z. “H” indicates a speed rating of up to 130 mph.^{(20)}…

A “Z” rating was given to tires tested to be “safe over 149 mph,” and while the speed rating is usually shown after the load index on a tire, many manufacturers ^{(21)}…

**15.** What Do The Numbers On My Tire Mean?

V – Speed ratings are represented by letters ranging from A to Z. Each letter coincides to the maximum speed a tire can sustain under its recommended load ^{(22)}…

**16.** A Guide to Tire Load Index and Speed Rating

When they were first created, Z-speed tires were meant to represent the highest tire speed rating ever — speeds that exceeded 149 miles per hour. What you might ^{(23)}…

The first letter is the speed rating. In our example the letter is Z, which means that the tire is designed to handle consistent speeds over 149 miles per hour ^{(24)}…

**17.** Tire Speed Rating & Chart | Pirelli

Find out your tire’s speed ratings, what they are for, and how and where to With the exception of the letter H and sometimes Z, the closer the speed ^{(25)}…

**18.** Understanding Tire Speed Rating Charts

To specify the maximum speed rating for Z-rated tires, the manufacturers began to add W, Y, and (Y) ratings to the code. Therefore, a tire with ^{(26)}…

**19.** A Guide to Tire Load Index & Speed Ratings

Note: Just because your tires can go up to a certain speed does not mean that your vehicle can nor that it is safe to do so. Please follow all ^{(27)}…

**20.** Tire Speed Rating Chart & Tire Tread Life | BFGoodrich Tires

For example, Z was the highest rated speed at 149+ until W & Y were used to match the higher speeds of exotic sports cars. SPEED RATINGS REFER TO MORE THAN JUST ^{(28)}…

Z — (See Below). What does ‘Up to 99 mph’ really mean? Tires with a Q For tires rated above 149 mph, a Z rating may appear in the size designation.^{(29)}…

**21.** What To Know About Buying Wet Tires – Ken Van Damme’s …

Generally, higher letter ratings mean higher speeds, the exception is that H (130 mph) comes between “U” (124 mph) and V (149 mph). Z means a ^{(30)}…

**22.** Tire Speed Ratings 101 | TireMart.com Tire Blog

Tires with a Z speed rating are used on race tracks, although it’s prevalent on ordinary What Do The Numbers And Letters On Tires Mean?^{(31)}…

**23.** what we should know about tires

The overall speed rating system for all vehicles sets forth speed ratings from B (31 mph) to Z (over 150 mph). Passenger car tire speed ratings generally range ^{(32)}…

**24.** Tire code – Wikipedia

To take a common example, 195/55R16 would mean that the nominal width of the tire is approximately 195 mm at the widest point, the height of the side-wall of ^{(33)}…

**25.** Tire Speed Rating Chart – Tyre Size Calculator

It describes the top speed for which a tire is certified. Speed rating on tires is expressed by a letter from A to Z (the speed symbol), ranging from 5 km/h (3 ^{(34)}…

What Do Tire Speed Ratings Mean? On a sports car, you may see ratings of V or Z, which can handle speeds of up to 149 MPH and above 149 MPH, ^{(35)}…

When it was first established, the Z speed rating was the highest rating and was assumed to be the highest speed rating that would ever be ^{(36)}…

For sports cars, be sure to compare front and rear tires because they may be different. Here’s what those cryptic sidewall codes mean for a ^{(37)}…

## Superscript Links

(1). What Does Z Mean On The Tires

(2). What does ZR mean on the side of my tire? – Blackcircles …

(3). What Do the Numbers on a Tire Mean? – Car and Driver

(4). Here’s everything you can learn from reading a tire sidewall

(5). Tire Speed Rating Explained | Firestone Complete Auto Care

(6). Tire Speed Ratings, Explained

(7). United Tires Does Tire Size Number Mean

(8). What do the numbers on a tire mean? – Motor Authority

(9). What Does Z Mean In Tire Size – HowToDiscuss

(10). How to read speed rating and load index | TireBuyer.com

(11). What Is A Tire Speed Rating?

(12). Tire Speed Rating Codes: What They Mean

(13). Tire Speed Rating and Why It Matters – Les Schwab

(14). ZR or R tyres, high performance tyres – TyreLeader.ie

(15). Speed Rating Load Index – Pep Boys

(16). How To Read A Tire Sidewall | Continental Tire

(17). How to Read a Tire Sidewall | News | Cars.com

(18). What Do Numbers On Tires Mean?

(19). How to Read Tire Sizes – NerdWallet

(20). What Do Tire Numbers Mean? | Tire Codes | Underriner Motors

(21). Tires 101: How To Read Your Tire Sidewall | General Tire

(22). What Do The Numbers On My Tire Mean?

(23). A Guide to Tire Load Index and Speed Rating

(24). How To Read A Motorcycle Tire?

(25). Tire Speed Rating & Chart | Pirelli

(26). Understanding Tire Speed Rating Charts

(27). A Guide to Tire Load Index & Speed Ratings

(28). Tire Speed Rating Chart & Tire Tread Life | BFGoodrich Tires

(29). What is a Tire Speed Rating? | NTB

(30). What To Know About Buying Wet Tires – Ken Van Damme’s …

(31). Tire Speed Ratings 101 | TireMart.com Tire Blog

(32). what we should know about tires

(33). Tire code – Wikipedia

(34). Tire Speed Rating Chart – Tyre Size Calculator

(35). What is the Speed Rating on Tires? Ithaca NY – Maguire …

(36). Article on Speed Ratings – Dunn Tire

(37). How to Decode Tire Size and Other Data – Consumer Reports