2025 Corvette Zr1 Horsepower Rating. Its 5.5 litre engine is a turbocharged, double overhead camshaft, 8 cylinder unit that produces 1064 bhp (1079 ps/793 kw) of power at 7000 rpm, and maximum. The all new 2025 corvette zr1 was revealed by general motors and it's the fastest, most powerful corvette ever offered with 1,064 hp and a top speed of over 215.
With an estimated 1064hp rating, it will take some skill and restraint to handle all that zr1 horsepower. Its 5.5 litre engine is a turbocharged, double overhead camshaft, 8 cylinder unit that produces 1064 bhp (1079 ps/793 kw) of power at 7000 rpm, and maximum.