Top 10 Top 10 Most Powerful Cars Under $50,000 by Nicolas Tardif November 11, 2022 Photo: Infiniti8. Infiniti Q50 Price: $45,195 (2023) Engine: Turbocharged 3.0-litre V6, 300 hp, 295 lb-ft. More details about the Infiniti Q50. « PreviousNext » Share on Facebook Share: