Despite those improvements, the LS3 followed shortly after, following another increase in displacement. The newer 6.2-liter unit provided yet more motivation, with a rating of 436 horsepower ...

As of April 2024, the standard 430-hp LS3 6.2L model runs for roughly $9,679.21, a 20% markdown from its suggested retail price of $12,175.11. Other models clock in a decent bit above or below ...

At 74 horsepower per liter, the LT1 has greater power density than the C6 Corvette's LS3 6.2L engine and even the C6 Z06's racing-derived 7.0L LS7. It also produces comparable torque to the LS7 ...