Zigwheels Home

Tyre aspect ratio

by Abhishek Chaliha8,853 Views Comments

The aspect ratio of a tyre describes the height of a tyre's sidewall as a percentage of the width of the tyre

 

Tyre aspect ratio

 

 

 

 

The aspect ratio of a tyre is represented by a percentage that indicates the height of the tyre, from bead to tread, in relation to the width of the tyre. For example, if the aspect ratio is 45 then it means that the height of the sidewall of a tyre is 45 percent of its width in measurement. Eg; 205/45 R16 83 V, in this case the aspect ratio of the tyre is 45 percent. 

 

The higher the aspect ratio of a tyre, the taller the sidewall of a tyre will be. Heavy vehicles such as such as luxury cars, buses and trucks have tyres with aspect ratios as high as 95. Tyres with high aspect ratio may compromise on handling but provide a more comfortable ride by cushioning bumps due to more air in the tyre.

 

On the other hand, high performance cars have tyres with a low aspect ratio. That means that these are low profile tyres with shorter and stiffer tyre walls that allow the tyre to resist cornering forces better, thereby improving handling traits of a car by reducing roll around corners. However, tyres with low aspect ratio compromise on the ride comfort of a vehicle as more vibrations are passed on from the tyre to the suspension of the vehicle. This happens as there is less air in the tyre to absorb bumps and vibrations. 

 

Most regular road tyres strike a balance between high and low aspect ratio to provide good handling traits for a vehicle while maintaining a comfortable ride. 

 

 

Post Your Comment

Do you like this story?

Price
Brand
Fuel Type
 Petrol    Diesel  LPG
 CNG  Electric
City

Wheel diameter and wheel radius

by Abhishek Chaliha

The wheel diameter is measured from lip to lip of...

Tyre speed rating

by Abhishek Chaliha

The speed rating for a tyre is represented by an...

Radial tyres

by Abhishek Chaliha

The use of radial tyres on automobiles is...


 
 
FEATURED SLIDESHOWS

New Mahindra Scorpio Skoda Rapid Black package in action New Ford Endeavour vs Ssangyong Rexton W Volkswagen Polo GT TSI Audi Q3 Dynamic India Review in pictures 2014 BMW X3 powersliding out of a corner Mercedes-Benz GLA-Class India Mercedes-Benz GLA Volkswagen Polo i1.5 and Hyundai Elite i20

 
TOP VIDEOS

Mahindra Reva e2o T2: Zigwheels Video Review

We drive the updated and premium T2 version of the e2o electric car to see what's new

Renault Duster AWD: ZigWheels Video Review

Renault Duster 4x4 is finally here. It's still easy to drive and live with, but now has the...

 

Read Next Story