Kumho Tire’s new ultra-high-performance (UHP) tyre, the ECSTA Sport, has been rated ‘Very Good’ in the latest Die Reifentester summer tyre test.

The tyre size used for testing was 225/40R18. Eight tyre manufacturers participated in the test, including well-known names like Goodyear, Bridgestone, Michelin and Continental. Bridgestone and Continental shared the top rating with Kumho's ECSTA Sport. The wet braking results were one of the test's main features. With a stopping distance of only 23.07 metres at 80 kmph, the ECSTA Sport outperformed every other tyre in the test. It was one of just two tyres – the other being the Continental SportContact 7 – to receive the ‘Very Good’ rating in wet handling. In dry weather, the ECSTA Sport also performed admirably. Die Reifentester gave it a ‘Very Good’ grade for dry handling, comparing it to three competitors of premium brands.

Drivers seeking precision handling, robust safety features and high mileage performance are the target market for the ECSTA Sport. The tyre, which comes in sizes 16 to 22 inches, features a new compound blend that improves high-speed stability and reduces stopping distances.

Matthias Bode, Head of Research and Development Europe at Kumho Tire, said, “We are delighted with this result from Die Reifentester. Kumho ECSTA Sport is designed to offer excellent performance for all motorists, including the most demanding drivers, and this test result is an excellent indication that we are on the right course.”

Tony Gangseung Lee, Head of Europe, said, “This test result demonstrates the commitment of Kumho to developing and producing exceptional tyres which offer excellent value to the driving public. I am delighted to see the team’s hard work being so well rewarded in this independent tyre test as we set new performance benchmarks.”

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Hankook Tire has announced a new distribution partnership with Grupo Q, a leading automotive group in Central America. The agreement was formalized during Expo Off Road 2026, held at the Pedregal Event Center in Heredia, Costa Rica.

Under the deal, Grupo Q and its specialised AutoPits network will integrate Hankook’s full tyre portfolio across Costa Rica. The collaboration aims to boost the premium brand’s visibility by increasing consumer touchpoints. At the expo, Central America’s largest SUV and adventure vehicle exhibition, Hankook is prominently showcasing its Dynapro series of SUV tyres for off-road and 4x4 enthusiasts.

This strategic move strengthens Hankook’s commercial competitiveness and brand recognition in the region. Building on the Costa Rica partnership, the company plans to progressively expand its distribution networks into other Central American markets.

Hoseok Shin, Managing Director, Hankook Tire, said, "Allying with an automotive reference in the region as Group Q represents a strategic milestone to expand our presence in Central America. By combining Hankook Tire’s world-class technology leadership with Grupo Q’s extensive local network, we look forward to bringing our premium values and high-performance products to Costa Rican consumers.”

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Sun Auto has expanded its strategic footprint by acquiring two locations: Highland Auto in Tennessee and Highland Tire at Sentry Station in Georgia. This marks the company’s first entry into Georgia and adds a fourth Tennessee site, enhancing regional network connectivity.

The move supports Sun Auto’s broader 2026 growth campaign, which includes new operations in Colorado and brings the company’s total presence to 27 states nationwide. Both acquired shops join the Sun Auto Network, gaining access to 24/7 online scheduling, digital vehicle inspections and the company’s Driver Commitment focused on clarity, confidence and customer care.

Each location provides a full range of automotive services, including major tyre brands with a price match guarantee, alignments, brake service, oil changes, batteries, diagnostics and preventative maintenance. Sun Auto now operates over 575 locations nationwide through both acquisitions and new builds.

Chris Tavares, SVP Operations, Sun Auto, said, "Expanding into the Southeast is an important step in strengthening our national footprint and positioning our network for long-term growth. Establishing a presence in Georgia allows us to serve more customers, support our teams with greater regional resources and build stronger continuity across key markets."

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Hankook Tire has formally launched a major national research initiative at its advanced Hankook Technodome facility in Daejeon. The kick-off gathering took place on 4 June to begin work on a project titled ‘Development of Tire Manufacturing Technologies Using Sustainable Materials’, which falls under the Ministry of Climate, Energy and Environment’s 2026 Environmental Technology Development Program.

The core objective of this undertaking is to accelerate South Korea’s transition to a circular economy by deriving high-grade recycled inputs from discarded tyres. Two parallel tracks of research involve creating premium reclaimed materials from waste rubber and establishing manufacturing processes that rely on sustainable components. Hankook Tire has been a driving force in this field since 2023, leading the domestic Tire-to-Tire consortium, and has already brought to market the iON GT, an electric vehicle tyre composed of over 70 percent sustainable content.

Participation in this government-backed programme allows Hankook to broaden its existing private sector work into a larger cooperative framework that includes universities, research bodies and industry partners. The company intends to strengthen its ability to adapt to evolving environmental rules while making its raw material supply chains more resilient. The project consortium brings together 11 entities, with M&B Green Earth acting as the lead institution alongside Kumho Petrochemical, HS Hyosung, Solvay, KRICT, KAIST and several other academic and technical organisations.

Hankook Tire ultimately targets the commercial release of next-generation, low-carbon tyres containing more than 85 percent sustainable materials and capable of cutting carbon emissions by over half. The project will also allow for large-scale validation of the domestic Tire-to-Tire circular model through product demonstrations and integrated performance assessments. Further demonstrating its commitment, the company recently attended the April launch of the Eco-design Forum, where industry players discussed compliance with the EU Ecodesign for Sustainable Products Regulation.

Bonhee Koo, Head of the R&D Innovation Division at Hankook Tire, said, “This national R&D project presents a meaningful opportunity to bring together the expertise of leading industry, academic and research institutions. Through close communication and collaboration among all participating organisations, we will strive to deliver tangible outcomes that contribute to strengthening competitiveness in the global market.”

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American tyre brand General Tire has officially widened its all-terrain product family by unveiling the Grabber AT3 Plus, a new all-season tyre engineered for unpredictable weather and rugged off-road use. The launch addresses the rising popularity of both traditional 4x4 vehicles and the rapidly expanding sport utility vehicle segment, offering a single solution that balances highway driving with trail capability.

When measured against the previous model, the latest Grabber delivers superior snow traction and enhanced wet-road grip thanks to a thoroughly reengineered tread design that visually signals its off-road intentions. Durability remains a priority, as both the compound and tread pattern have been optimised for harsh conditions while still providing precise handling and reduced cabin noise. The tyre is built for year-round use on pavement and dirt, and every available dimension bears the three-peak mountain snowflake symbol, ensuring legal compliance for winter driving across numerous countries.

Upon its release, the Grabber AT3 Plus will be offered in rim diameters ranging from 15 to 22 inches, widths between 195 and 315 millimetres and aspect ratios of 80 down to 40 percent. Certain sizes carry LT identification along with LRD and LRE load ratings, making them suitable for heavy-duty applications, while speed ratings can reach up to 240 kilometres per hour. To achieve its balance of toughness, grip and ride quality, General Tire integrates three proprietary systems: TracGen for loose-surface traction and on-road precision, Comfort Balance for smooth rolling and noise reduction and DuraGen for cut-resistant tread blocks and stone bumpers.

A rugged sidewall with a pronounced shoulder, clear tread markings and logo detailing gives the tyre an assertive appearance that complements modern SUVs and off-road vehicles. Depending on the dimension, the Grabber AT3 Plus earns a C grade for wet braking, a B for noise emissions and most commonly a D for rolling resistance.

Matthias Bartz, Business Development Manager – EMEA, General Tire, said, “Our R&D department has achieved a remarkable feat in further developing the leading Grabber AT3. The Grabber AT3 Plus delivers improvements across all key performance areas – without any compromises.”

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