285/30 R18 Tires

The following tires have been reviewed in 285/30 R18.

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Tire Reviewed Dry Grip Wet Grip Feedback Handling Wear Comfort
Dunlop Direzza 03G (12) 94% 65% 89% 89% 47% 61%
Pirelli PZero Rosso (109) 81% 66% 70% 68% 59% 62%
Accelera PHI (158) 68% 44% 53% 52% 66% 58%

285/30 18 Tire Review Highlights

Dunlop Direzza 03G rated 80% while driving a Porsche 996 GT3
Driving on track for 800 spirited miles
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.
tire reviewed on 2019-02-04 20:46:10
Accelera PHI rated 88% while driving a Ford Mustang GT Convertible
Driving on a combination of roads for 200 spirited miles
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.
tire reviewed on 2015-04-28 00:55:58
Pirelli PZero Rosso rated 79% while driving a Toyota supra turbo
Driving on a combination of roads for 15000 spirited miles
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tire reviewed on 2009-12-03 09:51:15
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