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 ...
The Infiniti M45, a forgotten mid-size luxury ... The new car completed the quarter mile in 14.7 seconds at 96 MPH, while the grizzled Q45 covered the same distance in 15.2 seconds at 93.5 MPH.