{"id":4589,"date":"2020-07-30T21:50:48","date_gmt":"2020-07-30T21:50:48","guid":{"rendered":"https:\/\/carexamer.com\/blog\/?p=4589"},"modified":"2026-03-03T17:29:58","modified_gmt":"2026-03-03T17:29:58","slug":"6-types-of-tyre-wear-and-what-they-all-mean","status":"publish","type":"post","link":"https:\/\/carexamer.com\/blog\/6-types-of-tyre-wear-and-what-they-all-mean\/","title":{"rendered":"6 Types of Tyre Wear and What They All Mean"},"content":{"rendered":"\n

<\/path><\/svg><\/span><\/span>Estimated reading time: <\/span>7<\/span> minutes<\/span><\/p>\n\n\n\n

Tyres are the only part of your vehicle that touch the road. Every kilogram of weight, every acceleration, every braking force and every cornering movement is transferred through four relatively small contact area. Because of this, tyre wear is inevitable. However, not all tyre wear is normal. Understanding tyre wear patterns is one of the simplest and most effective ways to diagnose mechanical issues early. Uneven tyre wear can point to alignment faults, suspension damage, incorrect tyre pressure or balancing problems. Ignoring these signs can lead to reduced grip, longer stopping distances, MOT failures and expensive repairs. In this guide, we will break down the six most common types of tyre wear, what causes them, how to fix them, and what they mean for vehicle safety.<\/p>\n\n\n\n

Why Tyre Wear Patterns Matter<\/h2>\n\n\n\n

Tyres naturally wear down over time. The legal minimum tread depth in the UK is 1.6mm across the central three quarters of the tyre. However, waiting until tyres reach the legal minimum is not recommended.<\/p>\n\n\n\n

For safety reasons, many professionals advise replacing tyres once they reach around 3mm. When buying a used car, 5mm of tread depth is generally considered healthy, representing roughly half of the tyre\u2019s usable life.<\/p>\n\n\n\n

Uneven tyre wear is more concerning than general wear. It suggests the tyre is not making correct contact with the road surface, which can compromise grip, stability and braking performance.<\/p>\n\n\n\n

Let\u2019s examine the six most common types of tyre wear.<\/p>\n\n\n\n

1. Toe Wear (Feathering)<\/h2>\n\n\n\n

Toe wear, often called feathering, occurs when the inner or outer edge of the tyre tread ribs wear down unevenly. If you run your hand across the tread, it may feel smooth in one direction and sharp in the other.<\/p>\n\n\n\n

What Causes Toe Wear?<\/h3>\n\n\n\n

Toe wear is usually caused by incorrect wheel alignment. Specifically, the toe angle may be set incorrectly, meaning the wheels point slightly inward or outward rather than straight ahead.<\/p>\n\n\n\n

Even a small alignment error can cause rapid tyre wear over thousands of miles.<\/p>\n\n\n\n

Risks of Toe Wear<\/h3>\n\n\n\n

\u2022 Reduced tyre life
\u2022 Poor fuel economy
\u2022 Steering instability
\u2022 Uneven braking performance<\/p>\n\n\n\n

How to Fix It<\/h3>\n\n\n\n

A professional four-wheel alignment is required. Adjusting the toe angle ensures even road contact and prevents further abnormal wear.<\/p>\n\n\n\n

2. Camber Wear<\/h2>\n\n\n\n

Camber wear occurs when one side of the tyre tread wears more heavily than the other. This is usually seen as heavy wear on the inside or outside edge.<\/p>\n\n\n\n

What Causes Camber Wear?<\/h3>\n\n\n\n

Camber refers to the inward or outward tilt of the wheel when viewed from the front. Excessive negative camber (tilted inward) or positive camber (tilted outward) causes uneven load distribution across the tread.<\/p>\n\n\n\n

Camber wear may result from:<\/p>\n\n\n\n

\u2022 Suspension damage
\u2022 Lowered or modified suspension
\u2022 Worn suspension components
\u2022 Incorrect alignment<\/p>\n\n\n\n

Risks of Camber Wear<\/h3>\n\n\n\n

\u2022 Reduced cornering grip
\u2022 Increased aquaplaning risk
\u2022 MOT failure
\u2022 Poor handling<\/p>\n\n\n\n

How to Fix It<\/h3>\n\n\n\n

Wheel alignment should be checked and suspension components inspected for damage or wear.<\/p>\n\n\n\n

3. Centre Wear<\/h2>\n\n\n\n

Centre wear is when the middle section of the tyre tread wears down faster than the outer edges.<\/p>\n\n\n\n

What Causes Centre Wear?<\/h3>\n\n\n\n

This is almost always caused by over-inflation. When tyre pressure is too high, the centre of the tyre bulges outward, making greater contact with the road.<\/p>\n\n\n\n

Risks of Centre Wear<\/h3>\n\n\n\n

\u2022 Reduced braking performance
\u2022 Smaller contact patch
\u2022 Increased stopping distance
\u2022 Reduced grip in wet conditions<\/p>\n\n\n\n

How to Fix It<\/h3>\n\n\n\n

Check tyre pressures regularly and adjust them to the manufacturer\u2019s recommended levels, typically found on the door pillar or fuel cap area.<\/p>\n\n\n\n

4. Edge Wear (Shoulder Wear)<\/h2>\n\n\n\n

Edge wear is the opposite of centre wear. The outer shoulders of the tyre wear down faster than the centre.<\/p>\n\n\n\n

What Causes Edge Wear?<\/h3>\n\n\n\n

Under-inflation is the most common cause. Low tyre pressure increases contact at the edges while the centre lifts slightly.<\/p>\n\n\n\n

Risks of Edge Wear<\/h3>\n\n\n\n

\u2022 Increased rolling resistance
\u2022 Poor fuel economy
\u2022 Higher blowout risk
\u2022 Reduced handling stability<\/p>\n\n\n\n

How to Fix It<\/h3>\n\n\n\n

Maintain correct tyre pressure and check it at least once a month.<\/p>\n\n\n\n

\n
\"Types<\/a>
Tyre Wear Types and What They All Mean<\/figcaption><\/figure>\n<\/figure>\n\n\n\n

5. Patch Wear (Out-of-Balance Wear)<\/h2>\n\n\n\n

Patch wear appears as random, uneven worn sections around the tyre circumference.<\/p>\n\n\n\n

What Causes Patch Wear?<\/h3>\n\n\n\n

This type of wear is typically caused by wheel imbalance. When a wheel is not correctly balanced, it can bounce slightly as it rotates, creating uneven road contact.<\/p>\n\n\n\n

Risks of Patch Wear<\/h3>\n\n\n\n

\u2022 Steering vibration
\u2022 Increased suspension wear
\u2022 Shortened tyre life<\/p>\n\n\n\n

How to Fix It<\/h3>\n\n\n\n

Wheel balancing corrects weight distribution and restores smooth rotation.<\/p>\n\n\n\n

6. Cup Wear (Scalloping)<\/h2>\n\n\n\n

Cup wear, also known as scalloping, appears as a wave-like or scalloped pattern around the tyre tread.<\/p>\n\n\n\n

What Causes Cup Wear?<\/h3>\n\n\n\n

Cup wear is usually linked to worn or damaged suspension components such as:<\/p>\n\n\n\n

\u2022 Shock absorbers
\u2022 Struts
\u2022 Suspension bushes
\u2022 Wheel bearings<\/p>\n\n\n\n

When suspension components fail, tyres lose consistent road contact and bounce slightly, creating scalloped wear patterns.<\/p>\n\n\n\n

Risks of Cup Wear<\/h3>\n\n\n\n

\u2022 Significant handling instability
\u2022 Noise while driving
\u2022 Dangerous braking behaviour
\u2022 Rapid tyre deterioration<\/p>\n\n\n\n

How to Fix It<\/h3>\n\n\n\n

Suspension components must be inspected and replaced if necessary. Simply replacing tyres will not fix the underlying issue.<\/p>\n\n\n\n

\n\n\n\n

Run-Flat Tyre Codes Explained<\/h2>\n\n\n\n

Run-flat tyres are designed to continue operating after a puncture. Manufacturers use different codes to indicate run-flat technology.<\/p>\n\n\n\n

Common run-flat codes include:<\/p>\n\n\n\n

Run-flat tyre codes

<\/td>		Make

<\/td><\/tr>
AOE<\/td>Audi Original Extended<\/td><\/tr>
CS<\/td>Continental ContiSeal<\/td><\/tr>
CSR<\/td>Continental Conti Safety Rim<\/td><\/tr>
DSST<\/td>Dunlop Self Supporting Technology<\/td><\/tr>
EMT<\/td>Goodyear Extended Mobility<\/td><\/tr>
EUFORI@<\/td>Pirelli<\/td><\/tr>
HRS<\/td>Hankook Runflat System<\/td><\/tr>
MOE<\/td>Mercedes-Benz Original Extended<\/td><\/tr>
PAX<\/td>Michelin<\/td><\/tr>
RFT<\/td>Run Flat Tyre<\/td><\/tr>
ROF<\/td>Run On Flat<\/td><\/tr>
RSC<\/td>Runflat System Component<\/td><\/tr>
SSR<\/td>Self Supporting Runflat<\/td><\/tr>
TRF<\/td>Toyo Run Flat<\/td><\/tr>
XRP<\/td>Kumho Extended Runflat Performance<\/td><\/tr>
ZP<\/td>Michelin Zero Pressure<\/td><\/tr><\/tbody><\/table>
Common run-flat codes<\/figcaption><\/figure>\n\n\n\n

When buying a used car, confirm matching tyre types across the axle. Mixing run-flat and standard tyres is not recommended.<\/p>\n\n\n\n

How Tyre Wear Affects MOT Results<\/h2>\n\n\n\n

Tyres are one of the most common MOT failure points. Issues that result in failure include:<\/p>\n\n\n\n

\u2022 Tread below 1.6mm
\u2022 Uneven tyre wear exposing cords
\u2022 Cuts or bulges
\u2022 Incorrect tyre size
\u2022 Severe sidewall damage<\/p>\n\n\n\n

Uneven tyre wear caused by suspension or alignment faults may also trigger advisory notes.<\/p>\n\n\n\n

Tyre Wear and Used Car Buying<\/h2>\n\n\n\n

When purchasing a used vehicle, tyre condition tells a story about how the car has been maintained.<\/p>\n\n\n\n

Healthy tyres should:<\/p>\n\n\n\n

\u2022 Have even wear across the tread
\u2022 Measure at least 5mm ideally
\u2022 Match across each axle
\u2022 Show no cracking or perishing<\/p>\n\n\n\n

Uneven tyre wear may indicate:<\/p>\n\n\n\n

\u2022 Accident damage
\u2022 Poor maintenance
\u2022 Suspension faults
\u2022 Neglected alignment<\/p>\n\n\n\n

A professional pre-purchase inspection can identify these issues before you commit to purchase.<\/p>\n\n\n\n

How to Prevent Abnormal Tyre Wear<\/h2>\n\n\n\n

\u2022 Check tyre pressure monthly
\u2022 Rotate tyres every 6,000 to 8,000 miles
\u2022 Perform wheel alignment annually
\u2022 Balance wheels when fitting new tyres
\u2022 Inspect suspension annually
\u2022 Avoid aggressive driving<\/p>\n\n\n\n

Small preventative actions significantly extend tyre life and improve safety. Ultimately, tyres are fickle and there is lots of room for issues when it comes to anything facing wear and tear. We have a whole guide on more general wear and tear<\/a> for other areas here, but don\u2019t forget that all of this is tested using an inspection service like ours. When buying a used car get vehicle inspection<\/a> to inspect tyres we advise 5mm to be left as its 50% of tyre life left or in simple words 2 years of driving with average mileage 10000 miles a year.<\/p>\n\n\n\n

FAQs<\/h1>\n\n\n\n

What are the most common types of tyre wear?<\/h3>\n\n\n\n

The most common types of tyre wear include toe wear, camber wear, centre wear, edge wear, patch wear and cup wear. Each pattern indicates a different mechanical or inflation issue.<\/p>\n\n\n\n

What causes uneven tyre wear?<\/h3>\n\n\n\n

Uneven tyre wear is usually caused by incorrect wheel alignment, suspension faults, wheel imbalance or incorrect tyre pressure.<\/p>\n\n\n\n

How much tread depth should a used car tyre have?<\/h3>\n\n\n\n

While the legal minimum is 1.6mm, a healthy used car tyre should ideally have 5mm of tread remaining for safety and longevity.<\/p>\n\n\n\n

Can suspension problems cause tyre wear?<\/h3>\n\n\n\n

Yes. Worn shock absorbers, bushes or suspension components can cause scalloping or cup wear, leading to unsafe driving conditions.<\/p>\n\n\n\n

Is centre tyre wear dangerous?<\/h3>\n\n\n\n

Yes. Centre tyre wear reduces the contact patch and can increase braking distance, particularly in wet conditions.<\/p>\n\n\n\n