2018 Porsche 911 Boxster
Vehicle Specs & Maintenance Data
The 2018 Porsche 911 Boxster maintenance specs on this page cover the key fluids, torque values, and wear items you need for routine service. Use these numbers as a quick reference when performing oil changes, tire rotations, brake jobs, and other scheduled maintenance on your Porsche 911 Boxster.
For oil changes, the 2018 Porsche 911 Boxster takes 0W-40 Full Synthetic motor oil with a capacity of 8.5 quarts. Brake fluid type is DOT 4, the recommended coolant is G13 (Purple, phosphate-free), and transmission fluid is VW G 055 025 A2. Always use the manufacturer-recommended fluids to maintain warranty coverage and engine longevity.
When mounting wheels on the Porsche 911 Boxster, torque the lug nuts to 118 ft-lbs using a calibrated torque wrench. Over- or under-torquing can lead to warped brake rotors or loose wheels. Re-torque after 50 to 100 miles on newly installed wheels.
There is 1 NHTSA safety recall on file for the 2018 Porsche 911 Boxster. Check the Recalls tab below for full details.
Specifications on this page are compiled from multiple publicly available sources including manufacturer documentation, NHTSA data, and automotive databases. Always cross-reference with your owner's manual or official factory documentation before purchasing parts or performing any service.
The 2018 Porsche 911 Boxster uses 0W-40 Full Synthetic motor oil (8.5 qt capacity), requires lug nuts torqued to 118 ft-lbs, takes DOT 4 brake fluid.
Enter a diagnostic trouble code to see causes, symptoms, and fixes for the 2018 Porsche 911 Boxster.
No known problems reported for this vehicle yet.
1 NHTSA safety recall for the 2018 Porsche 911 Boxster. Check your VIN at NHTSA.gov
AIR BAGS
Porsche Cars North America, Inc. (Porsche) is recalling certain 2018 718 Boxster, Boxster S and Boxster GTS, 718 Cayman, Cayman S and Cayman GTS, 911 Carrera, Carrera T, Targa 4 GTS, Carrera 4, Carrera S, Carrera 4S, Carrera GTS, Carrera 4 GTS, Carrera Cabriolet, Carrera S Cabriolet, Carrera 4S Cabriolet, Carrera GTS Cabriolet, Carrera 4 GTS Cabriolet, Targa 4, Targa 4S, Turbo, Turbo S, Turbo S Exclusive Series, Turbo Cabriolet, Turbo S Cabriolet and GT3 vehicles. The side air bag impact sensors may not have been properly tightened to the vehicle.
In the event of a crash, the air bags may not deploy, increasing the risk of injury.
Porsche will notify owners, and dealers will tighten the air bag sensors, as necessary, free of charge. The recall began May 17, 2019. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AKA4.