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Replacing the QX4, INFINITI introduced the FX crossover utility as well as the full-sized QX56. The INFINITI FX models sported a radical, aerodynamic appearance along with V-6 and V-8 engine options.

Actual terms vary by lender. Base shown (base trim). Is the 2003 INFINITI QX4 reliable? The 2003 INFINITI QX4 has an average reliability rating of 4.9 out of 5 according to Cars.com consumers.