just bought some Accelera PHI tires and are having them fitted today, after reading reviews I thought o no a noisy poor quality tire that does,nt handle in the wet. Not good if fitting to an E46 M3. this is the first set of tires that I shall be fitting to the car in the 5 years of ownership of it.
My current tires hit the 1.6 wear indicator about 3 months ago so really do need changing.
checked my tires yesterday to see what I have and low and behold i,m already running Accelera PHI and some Kendels on the front
I am more than happy to have these tires on the car again and I found that the only time I get the bad road noise is when I hit the concrete section of the M25 which is not often.

Acelera PH1 2 on rear tires only ( note GY Eagle F1 Asy 3 on front axle ).
As a tire snob I only bought these 275/40 R19 105Y due to 2 bad sidewall punctures ... all they had in my size stranded out in the sticks!
On the face of it ... not a usual choice for an S class coupe with a reasonably powerful 5.5L V8 engine with the 7G Plus gearbox.
0-60 in 5 secs. So in fairness they didnt really stand a chance.
On the positive side they are quiet, and at UK legal speeds, pottering around they are "superficially" surprisingly good.
For A low powered shopping trolley they might be OK in the dry.

What I dont like is the lack of "feel", and if pushed a little in the wet on a long bend ... the back can be made to drift out unnervingly easily.
The main flaw is in the wet; even accelerating relatively briskly will result in the back snaking side to side. I assume this is simple the tires being unable to handle the power ( despite lord knows how many technologies such as ESP, Traction Control, LSD etc. )
I dont have the guts to try the flat out "Launch" mode. But I am convinced it would result in the car remaining stationery and the rear tires smoking like hell!
These are just not suitable for a performance car.
My main concern would be .. if one can get the back to snake so easily in the wet; does it follow that if you had to do an emergency brake in the wet, would they lose grip equally quickly?? I think so.
For this reason I would never buy tires like these again ... and as soon as Goodyear make my tire size in the Asymmetric 3 I will change them !
As they say its not how you drive but what others will do!
Even if I drive extremely cautiously .... if someone just instantly comes out in front of you ... I wouldnt like to rely on these in the wet.

DO NOT BUY these tires for an STR.

When I changed to them it felt like I was driving on an icy surface on a dry summers day. Anything over 70mph is to be avoided and things deteriorate further when it's wet. Cheap yes but I really didn't feel safe on them until I moderated my driving style to something akin to driving in winter conditions.

Definitely would not recommend or buy again - have gone for Michelins this time.

I was dubious about buying these tires but went for it and have not regretted it. Reviews saying that they are no good is rubbish. if you drive everywhere like you are on a track then maybe, but i go around twisty roads in my 220hp front wheel drive mini which can always be a handful with no worries. wet or dry . if you drive like a **ck then these maybe are not for you , but normal people and the occasional b road sunday make you feel better driver will have no probs. Why pay 3 times as much for tires that you will never take to the edge.

Used them before and great in dry, outstanding wear they are very tough tires and give good resistance to punctures and pot hole damage. However in the wet with tread worn they will skid at 25 to 30 mph! wear indicators still not level so this gives you an idea they need sorted. Still best prices for a 19.

I purchased a 12 month old car which had both front Tires replaced with Acellera PHI Tires. These tires were acceptable in the dry but horrendous in any form of reduced grip situation. The problems were most noticeable on braking in damp or wet weather. What would be considered normal braking (I am not a heavy braker) would cause the wheels to loose traction and the ABS kick in. I would suggest these in wet circumstances had a braking distance of at least double if not more of a premium tire in the situation.

Unfortunately after about 2000 miles on these tires I felt so unsafe on the road that I decided to replace them with a premium brand tire. If you want to save some money and are happy to no rely on your brakes in anything other than perfect dry conditions these tires are for you. Unfortunately if you value your safety I cannot recommend these tires at all.

I brought this tires 4yrs ago to put on my 2004 crossfire, now living in the Seattle area we get plenty of rain no doubt this tires hold up when its wet out also good dry road grip I'm 9000 miles into them and cant believe the stamina of these tires my other cars have coopers on them the coopers are a little more quiet ride but the accelera phi are a good bang for the buck....

Over the years I have paid £175 for similar sized Yokohama or Falcon tires and I simply can't see any difference in performance or wear.
At £55 a tire online for 19" tires you simply can't go wrong. Dealers quoting about £85. Icant believe some of the reviews on here as I've nothing bad to say about them.
I have used Accelera PHI on my 2008 BMW 730 for over 2 years. I do 15,000 a year and am about to put my third set on the front. The rears had the 2nd set about 6 months ago. They are good for 12-15k miles, just the same as the top end tires. I drive at legal speeds (Mostly) but the tires are fine at high speeds and when flooring it.
I've been driving for 20 years, and have always gone for Mid Range Tires as I thought this was a sensible compromise. But I will always buy these tires going forward. Win Win all round.

I bought these tires for all four wheels they are super cheep compared to the ones I replaced and they are amazingly good I will definitely buy again.
the Bridgestone tires was replaced with Accelera PHI and they perform better in everyway.
all these people that are calling them ditchfinders most be going past the capability of the tires which you can do with any tire.

For the price this is a good tire. In the dry grip is equivalent premium brands, however the lack of feedback and occasional slides in the wet do not encourage you to push your luck in the rain/standing water. I believe in a magazine test the tire showed inferior (longer) braking distances in the wet but it is very difficult to tell this in reality.

For the average driver these are adequate and at the price they are good value.

The rubber must be quite a hard compound as tire wear has been slow.

I have just come to the end of my second set of these tires. I find them comfortable, the handling is good, they grip well but not quite as good as the Michelin Sport my car came fitted with. Especially in the wet the Accelera tires can't match the Michelin. But the Accelera are 47 quid a tire against 229 for the Michelin! On top of that I get 22000 miles out of the front tires compared to only 12000 for the Michelin. On the rear the figures are 30000 compared to 16000!! So a tire that last twice as long and is 4 times cheaper can not be argued with! I drive a Citroen DS4 2.0 HDI 160 and have found these tires very good. I have never been in a dangerous situation as other reviews have made out. Yes they can spin a bit if I put my foot down but that is down to the torque my engine produces, not because the tires are not grippy. I drive B and A roads mainly and do 22000 miles a year. My driving style is average and stick to the national speed limits. I would highly recommend these tires if you're looking for a good looking, comfortable, cheap tire that lasts well! If you're a speed devil then these tires are probably not for you!!!

I purchased 2 of these as an expirement because I had to run some stretch on my rears due to my low offset rims. I rather try out some cheap tires than expirement with some Nitto Invos and trash those. I was pleased when I first got them. They have good grip on dry surfaces. But once they get wet, they are SCARY! Worst grip on a wet toad I have ever experienced. I live in central Texas, and it's been raining quite a bit as of late. If you live in desert areas like Phoenix or Las Vegas, I would probably recommend this tire since it doesn't rain much there. But if you live in areas where you actually get rain, stay away from these. I've had my butt puckered a few times on these.