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245/30 R18 Tyres

Everything we know about the 245/30 R18 tyre size: 1 owner reviews covering 50 miles of driving, and EU label data for the tyres you can actually buy in it.

  • 1owner reviews
  • 50 milescovered on them
  • 1tyres made in this size
245/30 R18 To scale, mm
Ø 604 245 74 18" 74

What does 245/30 R18 mean?

A 245/30 R18 tyre is 245 mm wide, its sidewall is 30% of that width (74 mm) tall, and it fits a 18 inch wheel. That gives an overall diameter of roughly 604 mm.

245/30 R18 nominal dimensions
Section width245 mm
Sidewall height74 mm
Rim diameter18" (457 mm)
Overall diameter≈ 604 mm
Circumference≈ 1,898 mm
Revolutions per km≈ 527
Revolutions per mile≈ 848

Also written as

245/30R18 245/30 ZR18 245-30-18 245 30 18

Figures are calculated from the nominal size. A loaded, rolling tyre runs a few percent smaller, and true widths vary slightly between makes.

Comparing two sizes? Use the tyre size calculator →

What cars use 245/30 R18 tyres?

The cars most often running this size in our owner reviews. Each links to the best rated tyres for that exact car.

What drivers say about their 245/30 R18 tyres

The most recent owner reviews fitted in this size, in their own words.

64%
Michelin Pilot Sport PS2 245/30 R18 BMW Alpina B3 3.3 Saloon 50 miles October 12, 2007
As fitted to my Alpina B3 3.3 Saloon - the PS2 was developed in conjunction with Alpina for the B3. As a result, they are the recommended tyre for the car - indeed, the Contis which were fitted to the car when I got it felt terrible.

However - I have to say they're not the best tyre on the market.

Although grip in the dry and wet is staggering, they do tend to break very suddenly. The only other tyres I've experienced which do this in a similar fashion are race slicks! That said, I suspect some of this is down to the E46 chassis.

The real bugbear with these tyres is the road noise - they really generate huge amounts of noise. They're noisy when new, noisy when wearing, and really noisy below 4mm wear.

The other thing worth noting is that they only seem to have 6mm tread when new!

The wear on the Alpina is shocking - around 12K on the rears.

Chuck in the ?1200 per set price, and they don't seem to be very good value.

Wouldn't recommend unless you have to fit them

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Where this data comes from

Owner ratings are submitted through the review form on this site, naming the tyre, the size and the distance covered, and are checked by hand before publication. Test results come from independent published tyre tests indexed by size, and label values from the EU EPREL database.

About the TR Score

The Tyre Reviews Score rates each tyre out of 10 using independent test results and the full body of owner reviews, so you can check a car-specific ranking against the wider evidence.

Who does the testing

Every test published as a Tyre Reviews test is run by Jonathan Benson, who has been testing tyres independently since 2007.

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