Should I replace my tyres at 4mm?

Make sure you check your tread depth a few times a year for your own safety and peace of mind, and remember that the 1.6 mm minimum allowed tread depth is merely a legal limit. For safe driving, tires must be replaced at 3 or 4 mm remaining tread depth.

How long will 4 mm of tyre tread last?

He says research carried out by Michelin shows that changing a tyre with 3mm or 4mm of tread remaining – instead of 1.6mm – equates on average to an extra tyre per company car every two years.

Is 4mm tread depth OK?

Legally, you can drive on them until they reach a minimum depth of the tread of 1.6 mm, across 75% of the tyre's width and all around its circumference. However, we strongly recommend that you replace your summer and all-season tyres when they reach 3mm and your winter tyres at 4mm.

At what mm should tires be replaced?

New tires have an average tread depth of 8 to 9 millimeters (10/32 to 11/32 inches). As you drive, the tread will wear down. A tire with a tread depth below 1.6 millimeters (2/32 inches) lacks grip. Braking distance and vehicle control are impaired.

Should I replace tires at 3mm?

The manufacturer says there is no link between tread depths at 1.6mm and increasing accident rates. In addition, changing tyres at 3mm would cost the motorist money and increase carbon emissions – especially as a tyre becomes more fuel-efficient as it wears.

Do I really need to replace all four tires on my vehicle at the same time? @Urban Automotive

Is 3 mm tyre tread OK?

Some manufactures within the tyre industry are calling for the minimum legal tread depth to change from 1.6mm to 3mm. In contrast to other tyre manufacturers, Michelin says that changing tyres at 3mm is not necessary. Not only is it not necessary but it is also costly and harmful to the environment.

How long will 3mm last on tyres?

With all the possible variables taken into account, the minimum average period 3mm of tyre tread depth will last before it reaches the legal limit of 1.6mm is between would be 10,000-20,000 miles but it could be considerably more than that.

Do I need to replace tires at 4 32?

"Tire Rack's advice is that if rain and wet roads are a concern, you should consider replacing your tires when they reach approximately 4/32" of remaining tread depth." Obviously the tread will wear away over the life of the tire and the volume of its tread grooves will be reduced.

Should we change tyres at 3mm Michelin say no?

Q&A: Replacing tyres at 3mm tread “an absolute waste” says Michelin director. Last week Michelin courted controversy by announcing that changing a tyre when the tread wears to a 3mm depth is essentially wrong, and that drivers should keep using their tyres right down to the 1.6mm legal limit.

How many mm tread is legal?

Use Tread Wear Indicator (TWI)

The legal limit of 1.6mm is reached when the tyre is worn to the level of the tread wear indicators in the main groove — as soon as this happens, the tyre should be replaced.

Is 4 tire tread safe?

The tire tread depth gauge measures in 32nds of an inch. Good tire tread depth will be 6/32 or deeper. If the depth is 4/32, you should start thinking of replacing your tires and getting new ones. 2/32 or less means that you should change your tires ASAP.

Is 5mm tyre tread OK?

Tread wear indicators

These are usually small bars, about 5mm wide, built into the base of the tyre's main grooves. If the tyre tread is level with the top of the wear indicator, it means your tyres have reached the legal limit of 1.6mm. When tyres are worn to this level, they need to be replaced.

What is unsafe tire tread depth?

The U.S. Department of Transportation recommends replacing tires when they reach 2/32”, and many states legally require tires to be replaced at this depth. The idea of the penny test is to check whether you've hit the 2/32” threshold. Here's how it works: Place a penny between the tread ribs on your tire.

Is 2 mm tyre tread legal?

The legal tyre tread depth for cars in the UK and Europe is 1.6mm across the central three-quarters of the tyre, according to law. The tread must meet this minimum requirement across its complete circumference.

What is tyre tread depth for mot?

Tyre Tread Depth FOR MOT

Tyres with tread depth lower than 1.6mm is illegal and will result in an MOT fail. In addition, illegal tread depth could result in points on your driving licence and a fine of £2,500 per tyre, so it is worth checking them regularly!

How do I know when my tyres need changing?

Is 4 32nds of tread depth legal?

According to Federal Motor Carrier Safety Administration (FMCSA) regulations, the minimum tread depth for a steer tire is 4/32 of an inch on every major tread groove. If one spot on one groove is less than 4/32, then a driver will be issued a citation.

What is 4/32 tread on a tire?

Determine When You Need to Replace Your Tires

In wet conditions, 4/32" or less tread means a significant loss of wet traction due to shallower grooves and sipes. In most states, a tire is legally worn out at 2/32", but its ability to stop is severely compromised at 4/32".

Should I replace my tires at 3 32?

This wear level is the latest you should wait to replace your tires. Low tire tread: Many mechanics recommend replacement when your vehicle reaches between 3/32 and 4/32 of an inch. This is especially true if you live in an area with severe climates to prevent hydroplaning and other inclement weather risks.

Should I change my tyres at 2.5 mm?

Check Your Tyre Treads

The law states that your tyres need to be at least 1.6mm in depth, however it is recommended that you get your tyres changed before they reach the legal limit (e.g. 2.5mm) in order to be as safe as possible.

Is 6mm of tread good?

If you have a full 6mm of tread (i.e., the groove is to or beyond the bottom of the Memorial) you're probably fine; if you have less, estimate how much (remembering that you know you have more than 4mm) and then see the table.

What is the legal limit for tyres in UK?

The legal minimum tread depth for cars in the UK is 1.6mm throughout a continuous band comprising the central three-quarters of breadth of the tread and around its entire outer circumference.

How do I know if my tires are good?

Insert the penny upside down (with Lincoln's head pointing into the tire) in between the tire tread. How's Lincoln's hair? Can you see the top of Lincoln's head? This means your tire tread has worn down to an unsafe level and it's likely time to buy new tires.

Should I change my tires at 5 32?

5/32” is still sufficient in most cases, but tires may start to lose traction on wet roads. 4-3/32” is the level at which you should think about choosing a new tire/set of tires. 2/32” is the average legal minimum for tread depth; at this level your tires are considered bald and unsafe.

Should I replace all 4 tires?

It's always best to replace all 4 tires at the same time. This is because all 4 tires spin independently of one another, and different tread depths and/or styles can cause them to spin at different speeds. That could potentially damage the drive train, and possibly affect an indirect TPMS system if the vehicle has one.