Porsche's 718 line finally receives 6-cylinder power with the Cayman GT4 and Boxster Spyder. The engine is a newly developed 4.0-liter mill with 414 horsepower on tap.

The Lexus GX soldiers on with minor updates for 2020. The major tweaks include a new off-road package and suite of electronic driver aids.

Aston Martin's hypercar to rival the Ferrari SF90 Stradale and McLaren Speedtail is called the Valhalla. This is the model previously code-named the AM-RB 003. Word on the street is that it will come with 1,000 hp.

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

2020 Porsche 718 spawns Cayman GT4 and Boxster Spyder with 414-horsepower flat-6 engines

2020 Lexus GX boasts new off-road package

Aston Martin Valhalla is new name for AM-RB 003 hypercar

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2021 Mercedes-AMG GT R Evo spy shots

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