10 Sleeper Cars That Will Wake You The Hell Up!
A sleeper is a car that looks unassuming but packs impressive engine power, originating with Chrysler's 300 Series in the 1950s with up to 375 horsepower. Today, sleeper cars are created through engine swaps and maintaining a stock appearance, hiding top performance under a plain exterior.
1. Dodge Omni GLH
2. Mercury Marauder

The 2003 Mercury Marauder, with its 4.6-liter V8 engine producing over 300 horsepower, is a sleeper sedan despite its 4,328-pound weight. Rare with only 11,000 units produced, a modified Marauder has been shown to go from 0-60 mph in 5.1 seconds, proving its tuning potential.