Real-world fuel consumption
124 Porsche 718 Cayman GTS cars first registered in Europe in 2023 report their fuel use through the on-board meter. Petrol versions use 11.8 l/100 km on the road against 10.2 in the WLTP test (+15%).
| Fuel | Cars | On the road | WLTP | Difference |
|---|---|---|---|---|
| Petrol | 124 | 11.8 | 10.2 | +15% |
Litres per 100 km from the cars' own fuel meters (OBFCM), collected in 2024; the year is the year of first registration. All years together · European Environment Agency · CC BY 4.0
Fuel consumption
Official Canadian test results for 2 variants: combined 11.1–12.2 L/100 km (about 19–21 mpg US), CO₂ 260–284 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| 718 Cayman GTS · Two-seater · Premium gasoline | 12.3 | 9.8 | 11.1 |
| 718 Cayman GTS · Two-seater · Premium gasoline | 14.0 | 10.0 | 12.2 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls
Porsche Cars North America, Inc. (Porsche) is recalling certain 2023-2024 Porsche 718 Cayman GTS 4.0, 2024 Porsche 718 Boxster S, and 718 Boxster GTS 4.0 vehicles. The rear electronic control unit (ECU) may allow the spoiler to raise up too high.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Porsche told its dealers about the 2023 Porsche 718 Cayman GTS: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 11011676 | Manufacturers certificate for approved wheels and tires on the 982. |
| 11011666 | Parts information with parts withdrawal involving the hydro-mounting - 992199384F The affected vehicles are cars that use the part number mentioned. |
| 11011572 | Parts information for parts withdrawal involving the oil separator. The affected vehicles are cars that use part number 0PC115099A |
| 11011570 | Special tools and equipment information for the WiScope UV upgrade - affecting all Porsche models |
| 11011563 | Information on PIWIS tester update 43.000.020 & .021. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11011561 | Information on PIWIS tester update 43.000.017. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11011552 | Parts information for parts withdrawal involving the camera and control unit with the camera - PAD980551 & PAD980568C. The affected vehicles are cars that use the part numbers mentioned. |
| 11011203 | Technical information for a Safety Pin on the Locking Unit in the Central Wheel Lock cannot be Pressed In / Jammed: Observe Specified Procedure |
| 11011200 | Information on PIWIS tester update 43.000.016. PIWIS tester updates applies to all Porsche models with an OBD2 port. |
| 11011195 | Information on PIWIS tester update 43.000.010, .011 & .015. PIWIS tester updates applies to all Porsche models with an OBD2 port. |
| 11011184 | Instructions on advanced technical information for a squeak and or rattle from the dash or instrument cluster area on the Boxsters, Caymans, and 911s. |
| 11009877 | Information on PIWIS tester update 42.950.048 |
| 11009862 | Special tools and equipment information for the mobile data signal strength in the workshop |
| 11008678 | Technical information for checking tires on front axle and replacing them if necessary |
| 11008672 | Manufacturers certificate with an overview on approved Porsche C30 engine oils. See attached for list of affected vehicles. |
| 11008669 | Manufacturers certificate with an overview on approved Porsche C20 engine oils. See attached for list of affected vehicles. |
| 11008658 | Parts information for parts withdrawal involving the windscreen. Vehicles affected are cars that use part numbers 992845011Q, 992845011AN, 992845011S, 992845011AM, 992845011BL, 992845011DB, 992845047DY, 992845047FY |
| 11008657 | Information on PIWIS tester update 42.950.040. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11008637 | Information on PIWIS tester update 42.950.032. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11008636 | Information on PIWIS tester update 42.950.030. PIWIS tester updates applies to all Porsche models that have an OBD2 port. |
| 11008635 | Parts information for parts withdrawal involving the booster - 7PP035223M, 7PP035223AA, 99164548000. Vehicles affected are cars that use the part numbers listed. |
| 11008624 | Information on PIWIS tester update 42.950.025 |
| 11008603 | Parts information for parts withdrawal involving the windscreen. The cars involved are cars that use the part numbers 992845011Q, 992845011AN, 992845011S, 992845011AM, 992845011BL, 992845011DB, 992845047DY, 992845047FY |
| 11008486 | Information on PIWIS tester update 42.950.021 |
| 11008479 | Parts information for parts withdrawal involving the chain tensioner - 0PB109507D |
NHTSA manufacturer communications (public domain)