The Q45t was the most expensive vehicle in the Infiniti ( excluding the AE for 2000 ) lineup .
The Q45t offered enhanced performance , a rear spoiler , heated seats , dynamically adjusted shock absorbers and other luxurious features not available in a standard Q45 .
The Q45t was the most expensive vehicle in the Infiniti ( excluding the AE for 2000 ) lineup and offered enhanced performance , a rear spoiler , heated seats , dynamically adjusted shock absorbers and other luxurious features not available in a standard Q45 .