What is the engine size on a stock z71 tahoe

I need to know what year the Tahoe is please.

Year Engine Power 1992–1995 5.7 L 350 TBI V8 200 hp 1994–1998 6.5 L Detroit Diesel V8 180 hp 1996–1999 5.7 L Vortec 5700 V8 255 hp Year Engine Power 2000–2005 4.8 L Vortec 4800 V8 275 hp 2000–2003 5.3 L Vortec 5300 V8 280 to 295 hp 2004–2006 4.8 L Vortec 4800 V8 285 to 295 hp 2004–2006 5.3 L Vortec 5300 V8 295 hp 2000–2006 6.0 L Vortec 6000 V8 403 hp 2007–2009 6.0 L Vortec 6000 V8 403 hp 2010–2011 6.2 L Vortec 6200 V8 405 hp ( 2012-2014 6.2 L Vortec 6200 V8 405 hp 2015– 6.2 L Vortec 6200 V8

Thank you

On my tahoe i have 5.7l 2009

Hey Guru9R4NF is your Tahoe a Z71 because if not then keep your comments to yourself.