Ford Taurus SHO, with a Yamaha-tuned 220 HP V-6, spiced Ford in the '80s. A sleeper sedan with 143 MPH top speed, now a cult ...

These sleeper cars blend seamlessly into everyday traffic, surprising unsuspecting enthusiasts with their hidden capabilities ...

While the base engine might not be the most powerful, the EcoBoost is. These can also be considered sleeper cars because they already have ostentatious styling that proves they are of "higher ...

Designed to accommodate a unique dual-snorkel air intake, the teardrop bulge is the Thunderbolt's most recognizable feature.

the Biscayne was available with any engine. So, while the Impala SS is widely viewed as Chevy's main performance full-size of the 1960s, the Biscayne made for a glorious sleeper when fitted with ...

Unsurprisingly then, it’s pretty potent, with a highly-tuned version of the ubiquitous EA888 four-cylinder turbocharged engine ... car has been on sale since June; one among many reasons this ...