Sharing platforms with both the Nissan Murano and Altima, the QX50 acts as Infiniti's entry-level SUV.
Five trim levels are available, and all are powered by Infiniti's 2.0-liter inline four "VC-Turbo," the first commercially available variable compression ratio engine. We tried to write an easy-to-understand explanation, but we'll just let Infiniti explain it with this handy graphic:
That powerplant is paired to a CVT that--depending on the …