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How to choose fuel-efficient A-rated tyres

Updated

General guide: based on UK law and published guidance, not on a specific job.

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Key takeaways

Fuel-efficient tyres have low rolling resistance, shown as the A-to-E fuel grade on the EU label. An A-rated tyre uses less energy than an E, saving fuel over its life and protecting EV range. The saving is biggest for high-mileage and electric drivers, but don't sacrifice wet grip to chase it. Keep pressures correct, or the saving disappears.

Fuel-efficient tyres have low rolling resistance, which means the engine, or an EV's battery, uses less energy to keep them moving. The efficiency is graded A to E on the EU tyre label, and an A-rated tyre uses noticeably less fuel than an E over its life. The catch is to choose efficiency without sacrificing wet grip, which matters more for safety.

What makes a tyre fuel-efficient

Rolling resistance is the energy lost as a tyre flexes and rolls. Lower resistance means less wasted energy and better economy. Tyre makers reduce it through the compound, the construction and the tread design. Dedicated low-resistance ranges show what this looks like in practice: the Michelin e.Primacy and the Continental EcoContact 6 are both engineered around low rolling resistance for economy and EV range. The result is a tyre that costs you less to run, which is why efficiency-focused tyres are popular on economy cars, hybrids and EVs.

Reading the fuel grade

The fuel-efficiency grade is the left-hand rating on the tyre label. The official EU tyre label grades it from A (best) to E (worst) based on rolling resistance, giving a quick, like-for-like way to compare tyres on economy regardless of brand. Pair it with the wet-grip grade so you're not trading safety for savings, and check the actual figures rather than assuming a brand is efficient.

How much can you save?

The saving depends on your mileage. The difference between an A and an E grade adds up over the life of the tyre, and it's biggest for high-mileage drivers. For an EV, low rolling resistance directly protects range, which is arguably worth even more than fuel savings.

For a low-mileage car, the efficiency grade matters less than wet grip and longevity. Whatever you drive, the saving only shows up if the tyres are kept at the right pressure, which is the part most drivers neglect.

Don't sacrifice wet grip

The one mistake to avoid is chasing the best fuel grade at the expense of wet braking. Safety comes first, so treat wet grip as the priority and fuel efficiency as the tie-breaker between tyres that are already safe. The best fuel-efficient tyre is one that scores well on both, not an economy champion that stops poorly in the rain.

Pressure matters as much as the label

An A-rated tyre run soft loses much of the advantage you paid for. Rolling resistance rises as a tyre flexes more, and an under-inflated tyre flexes a great deal more, which is why TyreSafe lists under-inflation as a cause of higher fuel use as well as faster wear.

If you buy efficient tyres and then let them drift 10 psi low over a winter, you have paid for a benefit you are not getting.

The fix is a monthly check with a decent gauge, cold, against the figure on the door placard rather than the number on the sidewall. Our tyre pressure guide explains where to find the right figure.

Cold weather drops pressure on its own, so the autumn check is the one not to skip.

Two other free wins sit alongside pressure. Wheel alignment that is out drags the tyres slightly sideways along every mile, which costs energy as well as tread.

And a car that is heavier than it needs to be, with a roof box left on all year and a boot full of things, works the tyres harder for nothing.

How to compare two tyres on the label

Read all three grades together and rule out anything with poor wet grip before you look at fuel. The label makes this a two-minute job. Here is the kind of choice you will actually face when a fitter offers two tyres in your size.

TyreFuel efficiencyWet gripNoiseVerdict
Option 1AC71 dBBest economy, but weaker in the wet. Avoid for most UK driving.
Option 2BA69 dBSmall economy penalty, best stopping in the rain, quieter. The sensible pick.
Option 3CB70 dBFine all round, but Option 2 beats it on every grade.

The EU's own guidance puts the difference between the best and worst fuel grades at several per cent of fuel use, so a one-step difference is real but modest. A one-step difference in wet grip, on the other hand, is measured in metres of stopping distance.

That asymmetry is why wet grip comes first. Grades also vary by size within the same tyre range, so compare the label for your exact size rather than a brand's headline claim.

Fuel-efficient tyres for EVs and hybrids

On an electric car, rolling resistance is range, and range is the thing owners care about most. An EV is heavier than the equivalent petrol car because of the battery, so its tyres flex more and the rolling-resistance grade matters more, not less.

Many manufacturers now make EV-specific versions of their efficient ranges with stiffer sidewalls for the weight, a higher load index and often a foam liner to cut cabin noise.

Instant electric torque also wears tyres faster than a gentle petrol engine would, so the compound has to balance economy against life. A hybrid sits in between: lighter than a full EV, but still benefiting from low rolling resistance on the electric portion of every trip.

Electric vans have the same issue with more weight again, which is why tyres on an electric van need the load rating checked as carefully as the fuel grade.

Whatever you drive, do not fit a lower load index than the car specifies in pursuit of a better fuel grade. The label grade is meaningless on a tyre that is not rated for the weight it carries.

Habits that undo the saving

Most of the economy a tyre can give you is lost or kept by how the car is driven and looked after. The label grade sets the ceiling; these decide how close you get to it.

  • Soft tyres. The biggest single factor. Check monthly and before any long trip.
  • Hard acceleration and late braking. Both scrub energy through the tread. Smooth driving lowers fuel use and tyre wear together; see making tyres last longer.
  • Misalignment. A car that pulls or wears one shoulder is dragging its tyres.
  • Dead weight and roof loads. Take the roof bars off when they are not in use and empty the boot.
  • Wrong tyre for the season. A soft winter compound left on through summer rolls harder and wears fast.

If you want one habit, make it the pressure check. It costs nothing, takes five minutes and protects the wet grip, the tread life and the fuel grade you paid for all at once.

Rescue Tyres

About this guide

Published by Rescue Tyres as general guidance. It is not a substitute for a tyre inspection.

Rescue Tyres LTD, Unit 9 Adrian Avenue, Brent Cross, London NW2 1LX. 07473 720871

Frequently asked questions

What are fuel-efficient tyres?
Tyres with low rolling resistance, graded A to E on the EU label. An A-rated tyre uses less energy to keep moving, saving fuel over its life or protecting an EV's range.
How much do fuel-efficient tyres save?
It depends on mileage. The gap between an A and an E grade adds up over the tyre's life and is biggest for high-mileage drivers. For EVs, low resistance protects range as well.
Do fuel-efficient tyres grip less in the wet?
Not necessarily. The best fuel-efficient tyres score well on both efficiency and wet grip. Avoid chasing the top fuel grade at the expense of wet braking, which matters more for safety.
Where is the fuel rating on a tyre?
On the EU tyre label, it's the left-hand grade from A (best) to E (worst), measuring rolling resistance. Compare it alongside the wet-grip grade when choosing.
Do under-inflated tyres use more fuel?
Yes. A soft tyre flexes more and its rolling resistance rises, so the engine or battery works harder to keep it moving. Checking pressures monthly protects the fuel saving you paid for with an efficient tyre.
Are fuel-efficient tyres worth it on an electric car?
Yes, more than on most cars. An EV is heavier because of its battery, so rolling resistance has a bigger effect on range. Use an EV-specific efficient tyre with the correct load index rather than any low-resistance tyre.
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