Tyre Performance Criteria
Here’s a list of the tyre performance criteria terms that you’ll normally come across when looking for a new tyre and what they mean.
Cornering Grip
Definition: How well the tyre holds when taking corners
When is it important?: When you’re driving on winding roads
Rolling Resistance
Definition: How easily a tyre rolls across a surface
When is it important?: If you’re trying to reduce your fuel consumption
Performance
Definition: A general term describing a vehicle or tyre’s braking, accelerating, handling and traction
When is it important?: All the time
Handling
Definition: How your tyre responds to steering and braking
When is it important?: All the time
Aquaplaning Resistance
Definition: The ability of a tyre to shed water and retain its grip on wet roads
When is it important?: When you’re driving in the rain or on wet roads
RunOnFlat Tyre
Definition: A tyre that allows you to keep driving after a puncture or flat tyre, for up to 80 km at a maximum speed of 80km/h
When is it important?: When you get a puncture or flat tyre and need to continue driving on to a safe place to change the tyre
Wet Grip
Definition: The tyre’s road adherence and braking ability on a wet surface
When is it important?: For steering, stopping, and overall control of your vehicle on wet surfaces
Dry Grip
Definition: The tyre’s road adherence and braking ability on a dry surface
When is it important?: For steering, stopping, and overall control of your vehicle on dry surfaces
Comfort
Definition: A tyre’s ability to absorb shocks and bumps or other irregularities on the road
When is it important?: When you want to feel the car, not the bumps on the road
Noise
Definition: The external noise a tyre produces contributes to noise pollution in the surrounding environment. A tyre that produces low internal noise will keep things quieter inside the car
When is it important?: When you want a quiet journey for you and those around you
Braking Distance
Definition: The distance it takes for a vehicle to come to a complete stop after brakes are applied
When is it important?: On all road surfaces
Mileage
Definition: An indication of the usable life of a tyre. A “high mileage” tyre is typically longer lasting
When is it important?: All the time