Top 10 Top 10 Most Powerful Vehicles With Four Cylinders by Guillaume Rivard February 7, 2022 Photo: Mercedes-Benz2. Mercedes-AMG CLA 45/GLA 45Two of the smallest vehicles in the Mercedes-Benz portfolio deliver big-time power. Their 2.0L turbo mill serves up 382 hp and 354 lb-ft of torque. « PreviousNext » Share on Facebook Share: