The 2021 INFINITI Q50 Pure is a luxury sedan with a sporty mechanical platform. Having a much higher retail price, the Red Sport 400 edition has a handful of performance-tuned features and high-end amenities. The 2021 Q50 Pure has a 3.0 L V6 engine that generates 300 horsepower. This twin-turbocharged powertrain produces up to 295 pound-feet of torque at 1,500 RPM. The Red Sport 400 extracts up to 400 hp and 350 lb-ft from a modified version of the six-cylinder propulsion system. This high-output powertrain includes dual water pumps for optimal cooling. Both turbo engines have a water-cooled air charging system.