The Porsche Taycan Turbo S and 2014 Range Rover Sport go head-to-head in a clash of opposites. One is a silent, electrified powerhouse delivering instant torque and speed.

Facelifted Range Rover Sport SV features striking central exhaust tips and subtle styling updates. Expected to retain BMW-sourced 4.4L twin-turbo V8 and eight-speed ZF automatic transmission.

Nissan GT-R Nismo delivers 600 horsepower and track precision while Range Rover Sport blends luxury with all terrain muscle.

With less power but more electrical assistance, the Range Rover Sport P510e presents a conundrum.

The Longbow Speedster weighs less than 2,000 pounds and has a claimed range of 275 miles, drawing from a battery pack that's ...