Owner's guide · 2012–2019
Porsche 911 (991)
owner's guide.
The factory maintenance schedule for the 911 (991), with the source of every item, and the problems our technicians explain on video. Free, no sign-in.
Factory maintenance schedule
From the manufacturer's maintenance sheets (or a copy of them, where the source says so), checked 2026-10-21. For what is due at your miles, use What's due on mine.
911 (991.1) Carrera / S / 4 / 4S / GTS 2012–2016
| Item | When | Source |
|---|---|---|
| Engine oil & filter | Every 10,000 mi or every year, whichever comes first | Factory sheet |
| Intermediate maintenance (pollen filters + inspection) | At 20k · 60k · 100k · 140k mi | Factory sheet |
| Maintenance (major: air filter + full inspection) | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Cabin/pollen filter + front luggage pre-filter | Every 20,000 mi or every 2 years, whichever comes first | Factory sheet |
| Air filter | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Spark plugs | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Drive belt check | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Drive belt replacement | Every 60,000 mi or every 6 years, whichever comes first | Factory sheet |
| PDCC reservoir replacement (if equipped) | Every 60,000 mi or every 6 years, whichever comes first | Factory sheet |
| AWD controller oil (4WD models) | Every 60,000 mi or every 6 years, whichever comes first | Factory sheet |
| Ancillary unit mounts / chassis rubber inspection | Every 80,000 mi or every 4 years, whichever comes first | Factory sheet |
| Manual transmission oil | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| PDK transmission oil | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| PDK clutch oil | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| All-wheel final drive / front differential oil (4WD models) | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| Convertible top / Targa roof service | Every 20,000 mi or every 2 years, whichever comes first | Factory sheet |
| Brake fluid | Every 2 years | Factory sheet |
| Tire sealant | Ask our service team | Factory sheet |
911 Turbo / Turbo S (991.1) 2014–2016
| Item | When | Source |
|---|---|---|
| Engine oil & filter | Every 10,000 mi or every year, whichever comes first | Factory sheet |
| Intermediate maintenance (pollen filters + inspection) | At 20k · 60k · 100k · 140k mi | Factory sheet |
| Maintenance (major: air filter + full inspection) | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Cabin/pollen filter + front luggage pre-filter | Every 20,000 mi or every 2 years, whichever comes first | Factory sheet |
| Air filter | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Spark plugs (Carrera models) | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Spark plugs (911 Turbo / Turbo S) | Every 30,000 mi or every 4 years, whichever comes first | Factory sheet |
| Drive belt check | Every 40,000 mi or every 4 years, whichever comes first | Factory sheet |
| Drive belt replacement | Every 60,000 mi or every 6 years, whichever comes first | Factory sheet |
| PDCC reservoir replacement (if equipped) | Every 60,000 mi or every 6 years, whichever comes first | Factory sheet |
| AWD controller oil (4WD models) | Every 60,000 mi or every 6 years, whichever comes first | Factory sheet |
| Ancillary unit mounts / chassis rubber inspection | Every 80,000 mi or every 4 years, whichever comes first | Factory sheet |
| Manual transmission oil | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| PDK transmission oil | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| PDK clutch oil | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| All-wheel final drive / front differential oil (4WD models) | Every 120,000 mi or every 12 years, whichever comes first | Factory sheet |
| Convertible top / Targa roof service | Every 20,000 mi or every 2 years, whichever comes first | Factory sheet |
| Brake fluid | Every 2 years | Factory sheet |
| Tire sealant | Every 2 years | Factory sheet |
911 (991.2) Carrera / S / 4 / 4S / GTS / Turbo / Turbo S 2017–2019
| Item | When | Source |
|---|---|---|
| Inspection | Every 20,000 mi or every 2 years, whichever comes first | Factory sheet |
Not on the factory sheets we hold
- 991.2 (2017–2019) item-by-item intervals: only the inspection cadence is listed
- Coolant replacement interval (the factory sheets list level and antifreeze checks only)
Ask our service team for these. We will not guess an interval.
Ask our service teamKnown issues and how-tos
From our technicians, for the 911 (991).
Known issuePorsche 911 991.1 common problems (2012–2016)911
Repair981/991 PDK sensor fix911
MaintenanceHow to check your oil level (991–992)911
Buying991.1 buyer's guide for first-time owners911
How-toOpen your front trunk with a dead batteryAll
MaintenanceWhy your brake fluid failsAll
BuyingPorsche pre-purchase inspection (PPI)AllThinking of selling your 991?
A firm offer on your car, no obligation.
Questions
Where does the 911 (991) schedule come from?
From the manufacturer's published maintenance sheets. Each item links to its source, and the date shows when we last checked them.
What if an item is not listed?
Some items are not on the factory sheets we hold; they are listed on this page. Ask our service team and we will check your car.
Can you service my 911 (991)?
Yes. Book from this page and our service team takes it from there.