Is 4mm tire tread OK?

Legal regulations

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.

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.

Should I replace my tires at 4 mm?

You must replace tires when the tread depth falls below 1.6 mm, which is the legal limit.

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.

How many mm should tire tread be?

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.

LEARN How to MEASURE Tire Life

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.

Is 3mm tire tread safe?

For summer tires, the remaining tread depth must be no less than 3 mm, and for winter and all-season tires it must be no less than 4 mm. Smaller tread depth may become critical on wet pavement, slush or snow.

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.

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.

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.

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.

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.

What tire tread depth is too low?

New tires typically come with 10/32” or 11/32” tread depths, and some truck, SUV and winter tires may have deeper tread depths than other models. 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.

What is the minimum legal tread depth?

The minimum permitted tyre tread depth is 1.6 mm. For safety reasons, it is recommended that each tyre should have at least 3.0 mm tread depth. Most new tyres have 8.0 mm.

How many mm does a new tyre have?

New tyres have a tread depth of 8-9mm. Legal minimum tread depth is 1.6mm.

At what tread should tires be replaced?

To meet legal safety standards in the U.S., a tire's tread needs to be at least 2/32” deep. If the tires do not meet the 2/32” standard or are approaching not meeting it, you should replace your tires. Tires should also be free of sidewall damage and irregular wear for optimal performance and safety.

Is 2.5 mm tyre tread OK?

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 tire 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 a MOT failure on a tyre?

Tyre Tread Depth FOR MOT

Tyres with tread depth lower than 1.6mm is illegal and will result in an MOT fail.

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.

When should I change tyre mm?

What's the legal minimum tread depth? The average tyre has around 8mm of tread depth when brand new. At 3mm it's recommended you replace your tyres and at the minimum tread depth of 1.5mm (across around three-quarters of the tyre's surface) you're tyres are worn out.

How can I tell if I need new tires?

Take a penny and place Lincoln's head in one of the grooves of the tire tread. If you can see all of Lincoln's head, it's time to replace the tire. If the penny goes in enough that the tire tread is at least as deep as Lincoln's forehead, your tires are generally considered safe and do not need replacing.

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".