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Three summer tire models – the Lassa Revola, the Leao Nova-Force Acro, and the Linglong Sport Master – have received a “not recommended” rating from the German automobile club ADAC following its 2026 summer tire test, according to results published February 24, 2026.
The ADAC tested 16 tires in the 225/50 R17 size, common for mid-size vehicles like the Audi A4, BMW 3 Series, and VW Sharan. While ten tires were deemed “satisfactory,” the three models listed above exhibited significant deficiencies, particularly in safety and environmental performance.
The Lassa Revola and Leao Nova-Force Acro both struggled with dry handling and tread wear, while the Leao also performed poorly in wet conditions. The Linglong Sport Master presented a more complex profile. According to ADAC testing, it achieved the best wet grip performance of any tire in the test, rivaling only the eventual test winner. However, this strength was offset by extremely poor dry handling, high tread wear, and a low overall lifespan.
“The Sport Master demonstrates the tightrope walk the industry must navigate,” said an ADAC representative, as reported by wa.de. “It has the best wet grip properties of the entire field – only the test winner can come close. The downside of the medal: on dry roads, no test candidate is weaker, the mileage is as low, and the abrasion as high as with no other model.”
The Continental PremiumContact 7, Pirelli Cinturato C3, and Goodyear EfficientGrip Performance 2 were the three tires to receive a “good” rating from ADAC. The Continental model offered the highest overall safety on both wet and dry asphalt, while the Goodyear demonstrated superior durability, lasting an estimated 57,800 kilometers – more than double the lifespan of the Linglong Sport Master, which is projected to last only 26,000 kilometers.
The ADAC test also noted the relatively low price points of the “not recommended” tires, with the Leao Nova-Force Acro priced around 700 Krona, the Linglong Sport Master around 900 Krona, and the Lassa Revola around 1,600 Krona, according to Swedish publication elbilen.se. The Continental PremiumContact 7 also retails for approximately 1,600 Krona.
The ADAC has not yet announced any follow-up actions regarding the test results.