2021 GMC Yukon XL (5th gen T1, 2021–2025)

2021 GMC Yukon XL (5th gen T1) — your manual, maintenance jobs, and shopping shortcuts.

Model year	2021
Generation	5th gen T1
Manual source	OEM owner manual + aftermarket guides

Manuals & downloads

GMC owner manuals (official)
GMC · free oem
Haynes/Chilton GMC Yukon XL repair manual
Aftermarket via Amazon · affiliate

Common repair guides

Brake care Oil change at home Battery replacement Wiper blade replacement Tires & rotation Side mirror replacement Air filter service Transmission fluid service Spark plug replacement Coolant flush & fill EV charging & port care High-voltage battery care

Maintenance supplies on Amazon

As an Amazon Associate we earn from qualifying purchases. Verify fitment (year, trim, engine) in the owner manual before you buy.

Accessories & upgrades