Real-world fuel consumption
115 Porsche 911 Carrera 4 cars first registered in Europe in 2023 report their fuel use through the on-board meter. Petrol versions use 12.0 l/100 km on the road against 10.4 in the WLTP test (+15%).
| Fuel | Cars | On the road | WLTP | Difference |
|---|---|---|---|---|
| Petrol | 115 | 12.0 | 10.4 | +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
Crash-test ratings
NHTSA 5-star results for 1 variant; not yet fully rated. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2023 Porsche 911 Carrera 4 2 DR AWD | — | 0.0 % |
- Electronic stability control
- Standard
- Forward collision warning
- Standard
- Lane departure warning
- Optional
- Best overall rating
- —
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 1 variant: combined 11.6 L/100 km (about 20 mpg US), CO₂ 260 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| 911 Carrera 4 · Minicompact · Premium gasoline | 13.1 | 9.8 | 11.6 |
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 911 Carrera T, 911 Carrera 4 GTS, 911 Carrera GTS, 911 Turbo S, 911 Carrera 4 Cabriolet, 911 Carrera 4S Cabriolet, 911 Carrera S, 911 Turbo S Cabriolet, 911 Carrera 4, 911 Carrera 4 GTS Cabriolet, 911 Targa 4 GTS, 911 Carrera, 911 Carrera GTS Cabriolet, 911 Carrera 4S, 911 Targa 4S, 911 Turbo, and 911 Edition 50 Years Porsche Design vehicles. The seat belt automatic locking retractor (ALR) may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
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 911 Carrera 4: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 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. |
| 11011546 | Instructions on advanced technical information for the connect registration and pairing PDI tips - resolve blinking red SOS light |
| 11011202 | 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. |
| 11009907 | Technical information on WRJ0 Replace Front Left and Right Seat and Backrest Heating Element for the 911 |
| 11009877 | Information on PIWIS tester update 42.950.048 |
| 11009862 | Special tools and equipment information for the mobile data signal strength in the workshop |
| 11009861 | Technical information for ARA3 - check windshield and rear window and replace 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. |
| 11008633 | Symptom based workshop manual for the door symptom - noise complaints from the door trim panel area on the 911 |
| 11008624 | Information on PIWIS tester update 42.950.025 |
| 11008617 | Symptom based workshop manual for a warning message. "Ignition lock faulty - service required" in the instrument cluster/fault memory entry (B143C29) in the rear end electronics control unit |
NHTSA manufacturer communications (public domain)