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285/30 R18 Tires

Everything we know about the 285/30 R18 tire size: 3 owner reviews covering 16,000 miles of driving, and EU label data for the tires you can actually buy in it.

  • 3owner reviews
  • 16,000 milescovered on them
  • 36tires made in this size
285/30 R18 To scale, mm
Ø 628 285 86 18" 86

285/30 R18 EU tire label data

EU label values are declared for each individual size, so the figures here are exact for 285/30 R18 rather than a range across a model. 8 tires carry label data in this size. The most common load index is 97 (up to 730 kg per tire). Speed ratings on offer: (Y) (301 km/h), Y (300 km/h), W (270 km/h).

A Best wet grip

4 tires in this size hold the top EU wet grip rating, class A. The highest scoring on Tire Reviews:

72dB Quietest tires

The quietest 285/30 R18 tires are labelled at 72 dB external noise:

Label values come from the EU EPREL database and apply to the EU market versions of each tire. Wet grip and rolling resistance run from class A (best) to E; noise is the measured drive-by figure. A good label is a floor, not a verdict - the tests and owner ratings above tell you far more.

What does 285/30 R18 mean?

A 285/30 R18 tire is 285 mm wide, its sidewall is 30% of that width (86 mm) tall, and it fits a 18 inch wheel. That gives an overall diameter of roughly 628 mm.

285/30 R18 nominal dimensions
Section width285 mm
Sidewall height86 mm
Rim diameter18" (457 mm)
Overall diameter≈ 628 mm
Circumference≈ 1,974 mm
Revolutions per km≈ 507
Revolutions per mile≈ 815

Also written as

285/30R18 285/30 ZR18 285-30-18 285 30 18

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

Comparing two sizes? Use the tire size calculator →

What cars use 285/30 R18 tires?

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

What drivers say about their 285/30 R18 tires

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

80%
Dunlop Direzza 03G 285/30 R18 Porsche 996 GT3 800 miles February 5, 2019
My comments only relate to track days as I rarely use the car on the road, except driving to and from the track.

My background is Porsche racing and so I drive my standard road Porsche accordingly on track days.

Fantastic dry grip and handling. Tires are progressive on the limit and don't suddenly loose grip. Even in the wet they are progressive at the limit.

The rear tires are at the end of their life after about 3-4 track days, depending upon the track. I have had the sidewalls disintegrate and the tread lift, typically on the 4th track day, on 3 separate occasions. So now I throw them away after 3 track days: following a blow out at 250km/hr. So why do I continue to use them? Because they have the best dry grip and handling in the dry when compared to any other road legal tire on the market.

Nb: The front tires last about 50% longer than the rear tires and don't give problems.
88%
Accelera PHI 285/30 R18 Ford Mustang GT Convertible 200 miles April 28, 2015
These came mounted with a staggered set of 20" Black Giovanna Dalar wheels installed on a modified 5Spd 2006 Ford Mustang GT Convertible w/ 25k miles. 20x10 rear/ 20x9 front. The fronts are PHI-R's and the rear PHI 2's. Read reviews all over the net and had some doubts due to the lack of info on these. After researching I found the reviews were 50/50 positive-negative online on various sites. I did notice (and read elsewhere) that the tread pattern was almost exactly the same as the Continental Sport Contact 2 - even to the sidewall. Speaking of which, the sidewall on these Accelera's ARE THE BEST I've ever seen on a tire - and, again, almost exactly the same as the Conti SC2's. After 2 weeks of driving, the tires are great. They ride smooth and quiet. Turn in response is crisp and feedback is excellent - almost telekinetic. I tend to drive like a maniac and so far (2 weeks) the tires can handle what I've thrown at them. High speed cornering and straights, weaving in and out thru traffic they ride beautifully even with going +2 on the wheel size and width. Usually with wider tires, understeer occurs but these tires are accurate. I HAVE NOT driven them in the rain or snow. I spend way too much time, money and effort detailing my car to show-room clean and refuse to just drive it in the rain, let alone snow. I have 2 Jeep Grand Cherokees for that. Also, the Mustang has way too much torque to drive in rain/ snow. Even with the brand new 235/50-18 BFG Sport Comp 2's I had mounted on the stock wheels, the Mustang still spun in the rain accelerating from 1st gear. I'm a hardcore auto enthusiast/ experienced DIY mechanic and have run many performance tires on 5 different sports cars: BFG KDW 2, Goodyear Gatorbacks, Firestone SZ50, BFG Sport Comps 2, Pirelli P Zero Rosso, Yokohama's, Falken FK452, Bridgestone Potenza RE050, Dunlop Direzza's, and so on. I can say these Accelera's are EVERY bit as good as any I've driven on and for the price, BETTER. I'd buy these again although I'd like to try the Goodyear F1 Supercar 305/30-20 on the rear wheels and 255/35 front. I'll be back to update my review after 5000/10000 miles although I only put about 5000 miles/ year on this car.

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Where this data comes from

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

About the TR Score

The Tire Reviews Score rates each tire 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 Tire Reviews test is run by Jonathan Benson, who has been testing tires independently since 2007.

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