New Porsche 911 GT3 R gets 4.2-liter flat six, aero and chassis

Porsche revealed the 992-generation 911 GT3 R race car on Saturday to replace the 991.2-gen GT3 R, and it will compete at the top-level of production-based sports car racing following the demise of the GTLM class and the mid-engined 911 RSR. - Porsche AG

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