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2015 Porsche 911 maintenance schedule

The 2015 911 is part of the 991 generation (2014-2019), sold as a coupe, cabriolet and targa. Below: its service intervals with the source behind each one, the fluids it takes, the problems owners report for this year, and the NHTSA recalls issued for it.

Service schedule

What the 2015 911 needs, and when

Manufacturer rows link to Porsche's own schedule, Independent rows to a service shop or parts retailer's published guide.

ServiceIntervalSource
Engine oil and filter

Requires A40 spec synthetic oil

10,000 mi / 1 yearIndependent
Engine air filter

Inspect at 10k, replace at 40k

40,000 mi / 4 yearsIndependent
Cabin air filter

Pollen filter replacement

20,000 mi / 2 yearsIndependent
Tire rotation

Check for uneven wear; staggered tires prevent standard rotation

10,000 mi / 1 yearIndependent
Brake fluid

Flush with OEM DOT 4

20,000 mi / 2 yearsIndependent
Engine coolant

Inspect lines and perform complete coolant service

40,000 mi / 4 yearsIndependent
Transmission fluid

PDK clutch fluid and manual transmission oil

60,000 mi / 6 yearsIndependent
Spark plugs

40,000 for NA engines, 30,000 for Turbo engines

30,000 mi / 3 yearsIndependent
Serpentine belt

Inspect at 40,000 miles, replace at 60,000

60,000 mi / 6 yearsIndependent
Differential and transfer case fluid

AWD controller oil replacement

60,000 mi / 6 yearsIndependent
12V battery

Battery test and ventilation hose check

20,000 mi / 2 yearsIndependent

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.

Fluids and engines

What goes in it

Engine oil
0W-40 (A40), 8.5 qt
Coolant
G12++ / G13
Transmission fluid
75W-90 / Pentosin FFL-3

Powertrains in this generation

  • 3.4L NA 6-cyl (MA1.04), 350 hp, 7-Speed Manual / 7-Speed PDK, RWD / AWD
  • 3.8L NA 6-cyl (MA1.03), 400 hp, 7-Speed Manual / 7-Speed PDK, RWD / AWD
  • 3.0L TT 6-cyl (9A2), 370 hp, 7-Speed Manual / 7-Speed PDK, RWD / AWD
  • 3.8L TT 6-cyl, 520 hp, 7-Speed PDK, AWD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Known problems

What 2015 911 owners run into

Problems reported for this model year, with the mileage they tend to show up at. Buying past a window is not automatically a pass - it just needs to be priced in.

PDK Mechatronic Unit

high severity

80,000-100,000 mi · $1,500-$5,000 to fix

Rough shifts, failure to engage gear

Source: repasimotorwerks.com

Water Pump Failure

medium severity

60,000-80,000 mi

Coolant leak, overheating

Source: repasimotorwerks.com

High Oil Consumption

low severity

30,000-60,000 mi

Low oil warning

Source: pcarwise.com

Safety recalls

1 NHTSA recall for the 2015 Porsche 911

From NHTSA's recall database, matched by model and year. Recall repairs are free at Porsche dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Latches/locks/linkages

NHTSA 14V698000

November 2014

Porsche Cars North America, Inc. (Porsche) is recalling certain model year 2014-2015 Porsche 911, Boxster, and Cayman vehicles manufactured May 7, 2014, to September 23, 2014. The front hood upper lock components were not manufactured to specification and may fail to securely latch the vehicle's hood during operation.

Remedy: Porsche will notify owners, and dealers will replace the lock on the front hood, free of charge. The recall began December 12, 2014. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AE04.

Running costs

What maintenance typically costs

A typical year of maintenance
$1,500

Typical US independent-shop estimates for this generation; they vary by region and condition.

Other 911 model years

992 (2020-2025)

202020212022202320242025

991 (2014-2019)

201420152016201720182019

Shopping new? The Porsche 911 guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-21. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a 911 for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2015 911 earns before you buy it.

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