Jeep unveils high-horsepower V8 Wrangler Leave a comment Business News November 17, 2020 Jeep unveiled the fastest and most powerful Wrangler the brand has ever produced. The new Jeep Wrangler Rubicon 392 has a 470-horsepower 6.4-liter V8 engine and can go from zero to 60 miles an hour in 4.5 seconds.