2019–2025 GMC Sierra maintenance schedule
Schedule type: oil-life monitor (GM Engine Oil Life System)
The vehicle calculates oil life from how it's driven and shows CHANGE ENGINE OIL SOON. Change the oil within 600 miles of that message and at least once a year. GM still wants a tire rotation and check every 7,500 miles. Summarized in our own words from the sources listed. Always follow the owner's manual or your dealer for your specific vehicle (VIN, engine, and options).
Checked against the official document for model year 2019; other years in this range are assumed to follow it. Confirm in your owner's manual.
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7,500 miles
Repeat every 7,500 miles.
- Rotate tires; check oil life and change oil and filter if due; multi-point inspection DIY
Parts: Oil filter
22,500 miles / 24 months
- Replace passenger compartment (cabin) air filter DIY
Every 22,500 miles or 2 years.
Parts: Cabin air filter
45,000 miles / 48 months
- Replace engine air filter DIY
Every 45,000 miles or 4 years (vehicles without the air filter life system; with it, replace when the message says).
Parts: Engine air filter
- Inspect evaporative control system Shop
- Change automatic transmission fluid and filter Shop
Severe schedule only
Severe service: Severe schedule: every 45,000 miles.
60,000 miles
- Replace spark plugs (2.7L turbo only; again at 120,000) Shop
Parts: Spark plugs
97,500 miles
- Replace spark plugs (all except 2.7L turbo) Shop
Parts: Spark plugs
- Change transfer case fluid (4WD) Shop
Severe service: Every 45,000 miles under the severe schedule.
150,000 miles
- Drain and fill engine cooling system Shop
150,000 miles or 5 years, whichever first.
- Visually inspect accessory drive belts Shop
60 months
- Replace brake fluid (every 5 years) Shop
84 months
- Replace A/C desiccant (every 7 years) Shop
Sources
Always follow the owner's manual for your exact vehicle; intervals can differ by engine and market.