3.0si trim. FUEL EFFICIENT 28 MPG Hwy/18 MPG City! Leather, Aluminum Wheels, Premium Sound System, iPod/MP3 Input. KEY FEATURES INCLUDELeather Seats, Premium Sound System, iPod/MP3 Input, Aluminum Wheels EXPERTS ARE SAYINGEdmunds.coms review says In nearly all performance aspects, the Z4 shines. Acceleration, braking and handling are all excellent. The Z4 is in its element on lightly trafficked roads when one can push the car toward its limits and enjoy the engines sonorous exhaust note.. Consumer Guide Best Buy Car. 4 Star Driver Front Crash Rating. 4 Star Passenger Front Crash Rating. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.