AutoDefect IQ

2021 Porsche 911 problems, complaints & recalls

Most-reported problem areas: Fuel/Propulsion System (3) · Seats (1) · Equipment Adaptive/Mobility:vehicle Controls:steering (1)

🧭 Reliability snapshot

75 /100
⚠ Buy with caution

Compared against other Porsche 911 model years — complaint volume vs the model's median year, recalls and severity. How we score →

5
Complaints
6
Recalls
670
Service bulletins
0
Crashes reported
1
Fires reported
0
Deaths

Safety recalls (6)

Back Over Prevention: Sensing System: Camera 2025-12-19 · campaign 25V896000 · 172,107 vehicles

Defect: Porsche Cars North America, Inc. (Porsche) is recalling certain 2019-2025 Cayenne, Cayenne E-Hybrid, 2020-2025 911, Taycan, 2024-2025 Panamera, and 2025 Panamera E-Hybrid vehicles. The rearview camera image may not display when the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."

Risk: A rearview image that does not display properly reduces the driver's view behind the vehicle, increasing the risk of a crash.

Fix: Dealers will update the driver assistance software, free of charge. Owner notification letters were mailed February 13, 2026. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ASB2. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning January 19, 2026.

Wheels:lugs/Nuts/Bolts/Studs 2024-10-28 · campaign 24V809000 · 2,251 vehicles ⚠ DO NOT DRIVE

Defect: Porsche Cars North America, Inc. (Porsche) is recalling certain 2025 Panamera, 2024 718 Cayman GT4 RS, 718 Spyder RS, and 2021-2024 911 vehicles. The center lock wheel bolt may fracture and cause the wheel to detach.

Risk: Wheel detachment can result in a loss of vehicle control, increasing the risk of a crash.

Fix: Owners should not drive their vehicles until they have been repaired. Dealers will check the center lock wheel fastening system and replace any incorrectly manufactured parts, as necessary, free of charge. Owner notification letters were mailed on January 24, 2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ARC4.

Visibility:glass, Side/Rear 2024-02-28 · campaign 24V155000 · 8,101 vehicles

Defect: Porsche Cars North America, Inc. (Porsche) is recalling certain 2020-2024 911 vehicles. The front windshield and rear window may not be properly secured and can detach.

Risk: During air bag deployment, an unsecured windshield may not support the front air bags as intended, increasing the risk of injury in a crash.

Fix: Dealers will inspect and replace the windshield and rear window as necessary, free of charge. Owner notification letters were mailed on August 30, 2024. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ARA3.

Seat Belts:rear/Other:retractor 2021-08-04 · campaign 21V608000 · 4,924 vehicles

Defect: Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 911 Carrera Coupe, 911 Carrera S Coupe, 911 Carrera 4 Coupe, 911 Carrera 4S Coupe, 911 Turbo Coupe, 911 Turbo S Coupe, Panamera, Panamera 4 E-Hybrid, Panamera 4S, Panamera GTS, Panamera Turbo S, Taycan, Taycan 4S, Taycan Turbo, and Taycan Turbo S vehicles. The seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly. As such, these vehicles fail to comply

Risk: An unsecured child restraint system can increase the risk of injury during a crash.

Fix: Dealers will inspect and replace the seat belt assemblies, as necessary, free of charge. Owner notification letters were mailed October 1, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB6.

Air Bags:sensor:occupant Classification:front Passenger 2021-06-23 · campaign 21V467000 · 149 vehicles

Defect: Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 911 Turbo Coupe, 911 Turbo S Coupe, 911 Carrera 4S Targa, 911 Carrera 4S Cabriolet, 911 Turbo S Cabriolet, and 911 Turbo Cabriolet vehicles. Incorrect passenger seat was installed and may cause a Occupant Classification System (OCS) malfunction.

Risk: An OCS malfunction may affect the front passenger air bag, increasing the risk of injury.

Fix: Dealers will install the correct seat, free of charge. Owner notification letters were mailed November 16, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMB3.

Suspension:critical Fasteners 2021-03-10 · campaign 21V157000 · 396 vehicles

Defect: Porsche Cars North America, Inc. (Porsche) is recalling certain 2021 Porsche Taycan Turbo, Taycan Turbo S, Taycan, Taycan 4S, 911 Turbo S Coupe, Cayman, Cayman T, Cayman S, Cayman GT4, 911 Carrera Coupe, 911 Carrera S Coupe, 911 Carrera 4S Coupe, 911 Carrera 4S Targa, 911 Carrera Cabriolet, 911 Carrera S Cabriolet, 911 Carrera 4S Targa Heritage Design Edition, 911 Carrera 4S Cabriolet, 911 Turbo Coupe, 911 Turbo Cabriolet, 911 Turbo S Cabriolet, 718 Spyder, and Boxster vehicles. Certain suspens

Risk: Loose suspension components may detach, causing a sudden loss of vehicle stability and control, and increasing the risk of a crash.

Fix: Dealers will replace the affected suspension nuts and bolts. Dealers will also inspect surrounding components for damage, and replace any damaged parts as necessary. Repairs will be performed free of charge. Owner notification letters were mailed May 7, 2021. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AMA3.

Service bulletins (670)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Wheels 2026-09-29 · No. 64-26-1 · Service Bulletin/Repair Instructions

technical information for yellow warning message "rear axle steering has failed" in instrument cluster: replace servo motors for rear axle steering

Visibility/Wiper 2026-09-24 · No. 96-26 · Service Bulletin/Repair Instructions

symptom-based workshop manual for noises from front wiper blade

Visibility/Wiper 2026-09-24 · No. 92-26 · Service Bulletin/Repair Instructions

technical information for wind noises when driving from the sunroof area

Power Train 2026-09-24 · No. 91-26 · Service Bulletin/Repair Instructions

technical information for particles/metal chips/residues in engine oil

Power Train 2026-09-22 · No. 31-26 · Service Bulletin/Repair Instructions

manufacturer's certificate for overview of approved porsche c40 engine oils

Power Train 2026-09-22 · No. 30-26 · Service Bulletin/Repair Instructions

manufacturer's certificate for overview of approved porsche c20 engine oils

Showing the 6 most recent of 670 bulletins. Search all of them free at nhtsa.gov.

What owners report

2026-03-02 · Fuel/Propulsion System

“the fuel injection problem on cylinder 2 and 4 had injector electrical faults for the last two years resulting in reduced power warning. i finally took my car to the dealer for an analysis. after their analysis here is their statement on the service invoice: "client state check engine light comes on and vehicle will run rough - client scan for co…”

2025-10-28 · Fuel/Propulsion System · 🔥 fire

“i started my car and about one minute later i heard an explosion from the rear of the vehicle and saw it engulfed in flames. …”

2025-10-15 · Fuel/Propulsion System

“two separate instances of fuel line failure and fuel leak in the engine compartment. the first in march 2024 and the second in september 2025. the situations both resulted in fuel leaking on top of the hot engine components. repair requires removal of the engine and transmission. in 2024 repair time was 9 weeks, in 2025 - 3 weeks. in the first case…”

2021-06-11 · Equipment Adaptive/Mobility:vehicle Controls:steering

“2021 porsche 911. consumer writes in regards to missing computer chip for proper steering.…”

2021-05-13 · Seats · 623 mi

“the seat back release on both seats is very hard to pull. on the drivers side the strap broke free while attempting to exit and the seat would not release. this could be a safety danger in a crash when rear seat occupants would not be able to exit…”

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Porsche 911 years