GM began updating the LS series almost immediately upon debuting it, and by the early 2000s, the company was producing the 5.3-liter LS4, which first dropped in the 2005 Pontiac Grand Prix GXP.

General Motors' LS engines have been driving GM cars and trucks since the first LS-powered Corvette rolled off the lot in ...

Don’t get stuck with an unsafe boat needing costly repairs. Insure your 2021 Regal Marine LS4 SURF for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans within 75 miles of ...

Don’t get stuck with an unsafe boat needing costly repairs. Insure your 2025 Regal Marine LS4 for just $100/year*. More freedom: You’re covered on all lakes, rivers and oceans within 75 miles of the ...