Mazda CX-7 by Tennen-Gas - CC-BY-SA-4.0 These days, consumers want the best of both worlds in their vehicles: the spaciousness and versatility of traditional SUVs with smaller cars’ handling and fuel efficiency. As such, crossovers remain popular among American car buyers. True enough, it’s hard to go wrong with a crossover SUV when it comes to practicality, comfort, and fuel efficiency. The CX-7’s performance was powered by a turbocharged four-cylinder engine, which provided a spirited drive.