If you like the options and color combination its a great alternative over a brand new one. 2021 is a great year for the QX50 because it got a upgraded higher resolution dual display with Apple CarPlary and Android Auto and in 2020 and in 2021 the QX50 Luxe got more standard safety equipment. The Variable Compression Turbo engine makes a whopping 268-hp and 280 pound feet of torque and is able to mechanically change the compression ratio on the fly to calibrate engine for performance or fuel efficiency depending on your current driving situation. The QX50 has a ground-up redesign for 2019 with a more spacious interior and a very stylish interior and exterior design.