These modern cars are covert sleepers when you want them to be, and let you rip it up when you are bored with the mundane crawling.

If you're in the market for a luxurious and affordable sleeper car to tear up the streets, you'll definitely want to check out these speedy models.

The Chevy Biscayne 427 sleeper occupies a strange sweet spot in muscle car history, hiding brutal big block performance ...

Equipped with race engines and wild bodies created for the track, these five machines were transformed into road cars due to homologation requirements ...

A sleeper car is a master of understatement in the automotive world. It's a car that offers considerable performance yet is bereft of indecent bodywork, garish paint, oversized aerodynamic elements, ...

This brings us to the fascinating world of sleeper cars – vehicles that pack serious performance under decidedly modest exteriors. These are the cars that most people would never expect to be ...

Before the Pontiac GTO kicked off the muscle car craze, these five full-size sleepers roamed the streets with powerful V8s ...