The true replacements for the much-loved ATS-V and CTS-V have finally been confirmed as the CT4-V Blackwing and CT5-V Blackwing. Testing is taking place at racetracks all across the country and the new sport sedans are already delivering faster lap times than the models they replace.

If you're the rare type that finds supercars lacking in performance, Novitec has you covered. The latest offering from the German tuning legend is a 902-horsepower upgrade for McLaren Senna.

Mazda looks set to make a proper premium push with a stylish and dynamic new 6 sedan. According to a new report, the redesigned mid-size sedan will be the first recipient of Mazda's new inline-6 engine and rear-wheel-drive platform.

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

Hardcore versions of Cadillac CT4-V and CT5-V confirmed with Blackwing name, manual transmission

Novitec boosts the McLaren Senna to 902 horsepower

Next Mazda 6 to arrive in 2022 with inline-6, rear-wheel drive?

Review update: 2020 Hyundai Venue SEL packs big value in a small space

BMW X8, X8 M trademarks strengthen rumors of new flagship SUV

Will oil prices and post-pandemic hesitation hit EV sales harder than general market?

More power reportedly on the cards for Kia Stinger

2020 Honda Civic vs. 2020 Toyota Corolla: Compare Cars

Ford F-1 bonus built: The first modern half-ton pickup truck

Tesla sales took 30 percent of China's EV market in March