The sleeper car comes from the term 'sleeper agent' used to describe operatives placed in enemy territory during the Second World War. To the untrained eye, ...

Q-Car Queue: The Best Automotive Sleeper Agents. Named after Q-ships, U-boat-hunting British ships disguised as freighters, Q-cars are stealth machines, ...

The origins of ‘sleeper car’ and ‘Q car’ have similar roots. Sleepers are enemy agents who blend into a foreign country, waiting to be activated and strike.

Sleeper cars are the best of both worlds. As J.D. Power explained, "it's a car that offers considerable performance yet is bereft of indecent bodywork, garish paint, oversized aerodynamic elements ...

My pick for the best sleeper is simple: it’s the one I owned. The fourth-generation Subaru Legacy GT, with its WRX engine and transmission hidden beneath a staid wagon body.