Top 10 Top 10 Most Powerful Vehicles With Four Cylinders by Guillaume Rivard February 7, 2022 Photo: Louis-Philippe Dubé5. Porsche 718 Cayman S/718 Boxster SPorsche is synonymous with power. In S trim, the German brand’s entry-level sports cars use a turbocharged 2.5L flat-four engine to put out 350 hp and 309 lb-ft of torque. « PreviousNext » Share on Facebook Share: