BMW was once again spotted testing a prototype for its redesigned M5, and this time we have video footage. The new super sedan is confirmed with a hybrid powertrain, but there are also rumors of an electric powertrain being offered as an alternative.

Cadillac is out testing a new full-size sedan expected to replace the CT6. The sedan was spotted testing on U.S. soil, but it's unlikely we'll see it offered outside of China, where the current CT6 is still on sale.

Mini is out testing prototypes for its redesigned Hardtop. The new Mini hatch will be offered with the choice of internal-combustion or electric power. This time around, the electric version, which will be built in China, has been designed from the ground up for electric power.

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

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