A Comprehensive Guide to Selecting The Right Tyre Size

A Comprehensive Guide to Selecting The Right Tyre Size

It is hard to look for the appropriate tyres online for the vehicle. The numbers on the wall of the Tyre might appear to be a haphazard sequence till you have to change a Tyre, but these actually provide crucial details about the Tyre sizes your automobile requires. Every Tyre number is written in form 205/55R16 and is intended to define the patterns, supplier, and physical properties of the Tyre. Look at the figures on the Tyre that you must give heed to and what everyone means when it’s time to replace your tyres.

How to Decipher Tyre Numbers?

The code has different numbers and alphabets. Since there are different kinds of Tyre labels, it is significant to understand the size of the existing tyres to help you know what type to buy when changing. Let’s break down what each element of the 205/55R16 label implies because it’s the most prevalent Tyre size in the UK.

Width of the Tyre

The 205 refers to the Tyre’s width, with three numbers indicating the size in mm. From wall to wall, a Tyre labelled with 205 at the beginning will extend 205mm around the tread.

Aspect ratios

It is stated in the form of a percentage. The 55 in the mark tells you that the ratio constitutes 55 % of the Tyre’s width.

Radial Tyre

Radial tyres account for nearly all tyres produced in the United Kingdom. This implies that string piles are placed at a 90-degree to the path of motion to offer the Tyre added strength. The radial tyres will be identified by the symbol R in the tyres number.

Wheel Diameter

The following two numbers on the Tyre number are the diameter, as well as the length of the rim to which the Tyre is attached to. The 16 indicates that the tyres can go on a 16-inch rim in this type 205/55R16.

What do other numerals on the tyres mean?

Even though the first code is usually enough to determine the Tyre type, there are some other marks on the car tyres near me that you should be aware of.

Load index

Whenever a Tyre is filled to its highest (safe) pressure, the index reflects the total capacity it can bear.

If the Tyre bears the digit 97 after the primary Tyre code, it means it corresponds to column 97 in a ‘look-up’ database, which is used to calculate the weight in kilos.

What do you mean by speed rating of the Tyre?

Its speed rating is shown as a symbol and reflects the top speed at which a Tyre may actually handle a load. The speed rating runs from A (the slowest) through Y (the fastest), excluding H, which is ranked somewhere among U & V. Every speed rating symbol correlates to a quantity in kilometers per hour, just like a load index. It’s vital to remember that just because your Tyre may carry a certain amount of speed doesn’t guarantee you can violate the law!

Where can you find the correct size of the tyres?

The suggested Tyre size will be mentioned in the car’s owner handbook by the supplier. The manual contains everything you need to understand regarding the tyres you have to buy to make an accurate Tyre purchase. The Tyre label, which is frequently placed inside the vehicle’s door frame, also has information about Tyre size. The diameter of the Tyre, and also the appropriate Tyre pressures, are frequently listed on the Tyre label.

Tyre have a label imprinted in the sidewall. It allows you to understand their size and capabilities, allowing everyone to operate the vehicle safely. It may assist you in understanding the tyres you have to repair whenever the time comes.

Thinking of upgrading the tyres?

The rims and tyres are usually the first components people update after purchasing a new automobile. They undoubtedly offer visual appeal to the new prized possession. However, they may cause harm to your vehicle. So, when you up-size, here is what you should know.

What are the advantages of upgrading the tyres?

Superior Appearance

The most apparent reason to choose alloy wheels is for their good aesthetics. No other single element can improve the appearance and attractiveness of your automobile like a set of large, well-designed glinting wheels.

Decrease In The Load

The actual mass of the wheels, Tyre, and chassis, or the mass of the pieces that the coils and the mass of the automobile rest on, is known as unsprung weight.\\ lighter is preferable. A lighter wheel improves the ride and handling significantly.

Fuel Efficacy

Upgrading tyres also improves fuel efficiency, which is especially beneficial in stop-and-go traffic.


The force of braking power is also effectively transmitted when the tyres are upgraded.

Improve Agility By Up sizing

When tyres are changed, cornering capabilities, particularly turn-in and driving reflexes, increase substantially.

Tyre Size Guide

The next task is to locate the proper tyre size. However, while you do so, be certain you know how things work. Many specialist stores will want to sell you the tyres and wheels that will generate the most profit for them.

If you choose the improper size, the vehicle’s comfort and handling may deteriorate, and it may even be damaged.

The lunacy of buying bigger tyres and rims has a logic to it. There’s a reason why each manufacturer supplies a standardized tyre size for their vehicle. Since the car’s tyre sizes were chosen to strike a balance between speed aspects, fuel economy, ride, and managing. As a result, if you vary your size from the norm, one or more of these attributes will alter.

Check For The Appropriate Size

The first point to note is that deviating from the overall width of the tyre that came initially installed in your automobile without making significant adjustments is difficult. It is necessary to check the Tyre size before changing the tyres. Installing incorrect tyres will lead to disturbed vehicle handling and increase fuel consumption. It is not safe to operate on improper tyres. 

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