CARFAX 1-Owner. FUEL EFFICIENT 28 MPG Hwy/21 MPG City! 718 Boxster trim. Are just a few of the options offered on this exceptional 2017 Porsche 718 Boxster Rear Wheel Drive being presented for sale at Audi McKinney. Exceptional value begins with trust. Every Sewell Value vehicle has passed a comprehensive multi-point safety inspection conducted by one of our world-class Sewell Technicians. We are pleased to provide both completed inspection and CARFAX vehicle history reports for your peace of mind. Although these vehicles are no longer covered under manufacturer warranty, they continue to offer quality at a compelling price. Sewell Value vehicles are sold in AS-IS condition.