By their very nature, sleeper cars are vehicles with useable performance that no one notices. Everything from a 1984 Mercedes ...

Offered from 1967 to 1969, the Z24 option package included a heavy-duty suspension and a 427-cubic-inch V8 rated at 385 ...

Chevrolet Impala still sporting the original matching-numbers 348 V8 engine hopes the Internet can help it find a new home ...

From low riders to muscle cars to classic cruisers, the Chevy Impala has a broad appeal that drives a sizzling used car ...

So does the new Impala SS cut it? As a strong sedan with plenty of power and finesse, pretty much. As a continuation of the SS line of hard-charging muscle cars, not really.