This restyled second-generation Lexus SC is a grand touring cabrio for open-air cruising. You get a folding-roof body and rear-drive manners suited to long, relaxed drives.
The Lexus SC engine example for this restyling is the 4.3 AT cabrio: gasoline power, an automatic transmission, and rear-wheel drive. That powertrain and drivetrain pairing favors smooth, unhurried pull, so you spend more time cruising with the roof down than managing gears.
Lexus SC trim levels describe equipment, not a different engine. On the 4.3 AT cabrio, the named configuration is Premium, so you get cabin comfort and convenience layered onto the same gasoline automatic, rear-drive layout rather than a separate mechanical package.