The cartech blog at cnet provides this answer from Hyundai, based on their new 4.6 liter V-8 engine - it depends on whether you use regular or premium fuel. With premium the new engine has 375 hp. With regular it has 368 hp, or 1.9% less horsepower. Hyundai says "[t]he percentage of horsepower loss will be greater for turbocharged engines."
How Much Horsepower Does That Thing Make?
The cartech blog at cnet provides this answer from Hyundai, based on their new 4.6 liter V-8 engine - it depends on whether you use regular or premium fuel. With premium the new engine has 375 hp. With regular it has 368 hp, or 1.9% less horsepower. Hyundai says "[t]he percentage of horsepower loss will be greater for turbocharged engines."
