Alfa Romeo has unveiled its Stelvio SUV and boy is it a stunner. The vehicle made its debut in high-performance Quadrifoglio trim, which endows it with a 505-horsepower powerplant and a 0-60 mph time of just 3.9 seconds.

Porsche has unveiled a mid-engine 911. That’s right—the car’s engine is positioned in front of the rear axle. The car is the new 911 RSR racer that will be competing next year in the World Endurance Championship and WeatherTech SportsCar Championship.

McLaren has confirmed it is working on a spiritual successor to its legendary F1. The new car will even have three seats with the driver sitting center. Unfortunately, it doesn’t start delivery until 2019.

You'll find all these stories and more in today's car news, right here at Motor Authority.

2018 Alfa Romeo Stelvio SUV finally makes debut

Porsche 911 finally adopts mid-engine layout with 2017 RSR

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