The Q45 sedan was one of two vehicles that launched the Nissan-based INFINITI luxury brand in 1990. Debuting as a flagship, the INFINITI Q45 was engineered to provide a unique high-end motoring ...

Actual terms vary by lender. Touring shown (base trim). Is the 1998 INFINITI Q45 reliable? The 1998 INFINITI Q45 has an average reliability rating of 4.6 out of 5 according to Cars.com consumers.

A majority of INFINITI's 2005 product range features some level of upgrade for the new model year. Receiving exterior styling modifications for 2005, the Q45 flagship sedan is treated to an updated ...

Actual terms vary by lender. Base shown (base trim). Is the 2000 INFINITI Q45 reliable? The 2000 INFINITI Q45 has an average reliability rating of 4.6 out of 5 according to Cars.com consumers.