8. BMW 135i - 4.6 seconds
The BMW 135i is a formidable sports car, accelerating from 0 to 60 in 4.6 seconds. Lurking under the hood is the German automaker’s popular 3.0-liter turbocharged six-cylinder engine with 300 hp and 300 lb-ft of torque. Equipped with a manual transmission (as it was for its 0-60 test), the 135i also gets a respectable 20 mpg city, 28 mpg highway rating. It has a starting price of $40,525, landing it closer to our $50,000 threshold.