Top 10 Most Powerful Cars Under $50,000 Published on November 11, 2022 in Top 10 by Nicolas Tardif Photo: Stellantis 4. Dodge Challenger / Charger Price: $45,060 / $48,665 (2022) Engine: 5.7-litre HEMI V8, 372/370 hp, 400/385 lb-ft. More details about the Dodge Challenger and Charger.