Mini's next-generation ragtop will dial up on power and styling. The redesigned convertible sports a 2.0-liter turbocharged four-cylinder engine that delivers 161 hp — 27 more than the outgoing model.

UI has a steep learning curve. Small trunk, and no frunk. Relatively slow charging. Limited range. Despite its familiar looks, the new Mini Cooper has just undergone its biggest update this century.

A sea of Mini silhouettes charged around the bend as we descended down the Million Dollar Highway into the bygone towns of the Rocky Mountain mining era. The hatchback shape hasn't changed much since ...

On test in this review is the most expensive version of the mid-grade Cooper S three-door, the JCW Sport, which adds styling ...