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2023 ADAC Summer Tire Test

Jonathan Benson
Data analyzed and reviewed by Jonathan Benson
21 min read Updated
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Discussion

14 comments
  1. Athens Concrete Contractor archived

    We like this simple chart explanation. As a Athens concrete contractor , our work also needs good testing and data. The picture helps kids and adults understand. We think learning about tires is helpful and fun.

    #10550
  2. AUSDAVIDZ archived

    Yokohama GLING GLING!!

    #9610
  3. Bob Pritchett archived

    Question cannot find answer: When / why do tire mfg companies no longer show both min psi with the max psi.
    While I understand one tire may max at 51psi but asked to inflate to your own car guide (like 32-34psi), there must be a minimum psi that the mfg would say its my falt for driving (say at 20psi) where the integeraty of the tire would be challenged.

    #9346
    1. TireReviews Bob Pritchett archived

      That's a good question I don't know the answer to.

      At a guess, the biggest issue with low PSI is the tire debeading from the rim, so perhaps manufacturers don't want the liability of saying for example 20psi and the tire comes off the rim at 22psi due to poor wheel or big impact.

      #9347
  4. David Odaisky archived

    really liked your video testing the impact of adding weight to pickup truck rear axle. I think that it would be a very interesting and popular video if you performed a similar test on a FWD vehicle to evaluate how adding mass over the rear axle affects braking distances on snow or ice. There just does not seem to be a solid answer to this question, and therefore actual testing would be very valuable info. I think it would be most useful if the test was performed with snow tires installed, and even better if the effect of studded tires could also be included as an additional variable (could potentially change the results of the added mass). Thanks

    #9318
    1. TireReviews David Odaisky archived

      That's certainly an interesting test idea, but I'm not sure I've ever heard anyone suggest adding weight to the boot of a FWD vehicle so I'm not sure how relevant it would be.

      #9320
      1. David Odaisky TireReviews archived

        Thanks for the reply. I think that if you google this question you can actually find tons and tons of online conversations and debate regarding this question, along with tons of opinions for or against. Lots of people do add weight to the trunk of FWD vehicles hoping to increase rear wheel braking grip and reduce the risk of having the rear swing out. Maybe its a Canadian/Nordic thing?. The problem is that it is not completely obvious if this is net beneficial, or if the extra inertia completely offsets the benefit of the extra traction.

        #9325
  5. cim113 archived

    Thanks for such epic test.
    If EC6 join these test will be better

    #9012
  6. Petr archived

    Sadly, once again, they sort of set wear above safety making the test nice for fleet managers but bad news for customers.

    What is the true average annual mileage of a privately owned car in central Europe? Around 10.000 km / year, there are some drivers that do more and there are many more that do even less. I'm talking about private, not company cars. Let's get back to the average. Say, 4k km are done on winter set, so 6.000 km / year on summer tires. There is absolutely no chance those like the Goodyears would be worn out unless being absolute threat to everything on the road after ten or even more years. Actually they will be unsafe in half the time (own experience with previous Goodyear Efficientgrip Performance model - great when new, completely lost traction after five years causing extremely extended braking distances and wheel spinning on slippery surfaces even for cautious and gentle drivers. Borrowed a pair of new, confirmed the old tires to be the problem, so they had to go. Who would voluntarily reaplce tires with still half of tread depth as I did?

    Currently I am using Nokian Wetproof (which are praised for braking distances and excellent wet and dry grip which I can confirm) but these (and Vredestein Ultrac) are usually devaluated for low expected mileage around 30.000 km. Honestly, I'd happily replace worn tires every five or six years if they are as safe as when new instead of being rear-ended by hypermilers with 'eternal' Michelin or Goodyear on traffic lights.

    Sadly, such pressure on extreme wear durability inevitably leads to tires being worse and less safe for private customers.

    #8707
    1. TireReviews Petr archived

      Interesting comment, thanks for sharing. I think in the UK the average mileage is around 10,000 miles, so 16,000km and there's no switch to a winter tire for 98% of people. That means 80,000km is achievable in the 5 year recommended life of a tire.

      How these tires perform after 5 years at 2mm is another question that's sadly very hard to answer.

      #8709
    2. Olli-Pekka Tervo Petr archived

      Nokian tires are usually pretty safe bet overall, and especially for those whose mileage is low. If one really wants to maintain maximum safety, they need to have over 3mm tread left and tire shouldn't be more than 4 years old*. Maybe even less if they are exposed to sunlight 365 days a year. So, if your mileage is low, and tire does not wear too much on that 3-4 years period, you are good to go, but if your mileage is high (some people actually drive 30k, even 50k in one summer), you probably want to get one of those more durable tires.

      *) I always have this at minimum on our family car...but my "commuter" can have anything, because I don't have to drive it on highway.

      #8852
  7. Pedro Neves archived

    That's a lot of data to digest! At ADAC's link we've got at the page's bottom the test pdf's where there's even more data relating to dry and wet performance, the way ADAC usually presents it. Unfortunately, they went through a lot of effort and money to test all these tires when they could have tested a smaller amount of them but of many different premium and budgets models (and even different weight/speed indexes for each model). For instance: the Contis EC5, EC6, PC5, Michelin Pilot Sport 4, Primacy 4, Goodyear EGP, Hankook Prime 3, Pirelli Cinturato P1 Verde, Bridgestone Ecopia EP150 and Turanza ECO, Maxxis Premitra HP5 and Mecotra 3, Falken Sincera SN832, Yokohama BluEarth GT and BluEarth-ES, Vredestein Ultra, etc. So much money wasted in so many crappy tires!... Maybe I'm being ungrateful, but on my opinion, this is not a great way to celebrate 50 years of tire testing!

    #8683
  8. 4cvg archived

    Two things: first, the performance of the P7C2 is oddly out of alignment with TR's own assessment; second, might we have the descriptive commentary for the other tires?

    #8681
    1. TireReviews 4cvg archived

      I meant to write something about that in the article, I guess I forgot. We got the new compound P7C2, ADAC didn't as they tested before us.

      You can find the descriptive commentary on the ADAC site linked just above the results, I sadly don't have the time to copy and paste it across, it's surprisingly time consuming :) I'll try and get it added in the coming weeks.

      #8682