BorgWarner, a global leader in delivering innovative and sustainable mobility solutions, has announced a new supply agreement with Stellantis to provide its 50 mm Variable Turbine Geometry (VTG) turbocharger for the automaker’s all-new Hurricane 4 Turbo 4-cylinder gasoline engine. The Hurricane 4 Turbo will make its debut in the 2026 Jeep® Grand Cherokee (late availability). In addition, BorgWarner will also supply its Electric Variable Cam Timing (eVCT) technology for Stellantis’ Jeep Cherokee equipped with the EP6 four-cylinder engine.
Driving Efficiency and Performance with VTG Turbo Technology
BorgWarner’s advanced VTG turbocharger combines the company’s high-performing turbo with wastegate functionality, creating a unique system that enhances both engine performance and emissions efficiency. The dual integration of VTG and wastegate technologies — a first of its kind — allows for faster catalyst heating during cold starts and precise boost control for optimal power delivery.
The VTG system also supports a high Miller cycle, optimizing performance across a wide range of engine speeds. This enables improved fuel efficiency at lower speeds through reduced boost and compression, while increasing boost at higher speeds to deliver greater power output, striking a fine balance between performance and sustainability.
eVCT Technology: Redefining Engine Efficiency
BorgWarner’s Electric Variable Cam Timing (eVCT) system, which will be featured on the Jeep Cherokee’s EP6 engine, marks the first integration of eVCT technology in a Stellantis powertrain. Unlike conventional systems that rely on oil pressure, BorgWarner’s eVCT operates independently, providing a wider phasing range and enabling advanced combustion strategies that significantly improve fuel economy, performance, and emission reduction.
Advancing the Future of Powertrain Innovation
This collaboration underscores BorgWarner’s commitment to partnering with global OEMs to deliver cutting-edge, sustainable propulsion technologies that meet evolving regulatory standards and consumer expectations. With the combination of VTG and eVCT systems, Stellantis’ next-generation Jeep engines are set to achieve higher efficiency, lower emissions, and superior performance, reinforcing both companies’ shared vision for cleaner, smarter mobility.
“We are pleased to partner with Stellantis on these exciting project launches,” said Dr Volker Weng, Vice President of BorgWarner Inc. and President and General Manager, Turbos and Thermal Technologies. “Our long-standing relationship includes supplying the OEM with several turbos for previous vehicle models, and this specific project marks our shift into the next generation of turbos.”
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