2021 Porsche 911 Problems, Complaints & Recalls

Source: NHTSA · Updated Mar 2, 2026 · 5 owner complaints analyzed

Compared with other 911 years
Not enough data 13th of 26 for complaints
NHTSA crash rating
Not rated

Owners have filed 5 complaints with NHTSA about the 2021 Porsche 911. That ranks 13th out of 26 911 model years for complaints. The most reported problem area is fuel/propulsion system (3 complaints, 60%). Complaints mention 1 fire. There are 6 safety recalls covering this model year.

Porsche 911
2025 Porsche 992 Carrera convertible at Auto Zürich 2024. Representative photo; appearance varies by model year. Photo: Alexander-93, CC BY-SA 4.0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2021 Porsche 911 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Fuel/propulsion System3
Equipment Adaptive/mobility1
Seats1 · ~623 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Fuel/propulsion System360%———
Equipment Adaptive/mobility120%———
Seats120%623——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2021, with 2 complaints
2021: 2202122025: 2202522026: 120261

n = 5 complaints · Source: NHTSA

2021 Porsche 911 recalls (6)

Tap a recall to see the problem, the risk and the fix.

Back over prevention: sensing system: cameraDec 19, 2025 · NHTSA campaign 25V896000 · 172,107 vehicles

Problem: 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/studsDo not driveOct 28, 2024 · NHTSA campaign 24V809000 · 2,251 vehicles

Problem: 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; visibility:windshieldFeb 28, 2024 · NHTSA campaign 24V155000 · 8,101 vehicles

Problem: 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; seat belts:front:retractorAug 4, 2021 · NHTSA campaign 21V608000 · 4,924 vehicles

Problem: 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 with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."

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; seatsJun 23, 2021 · NHTSA campaign 21V467000 · 149 vehicles

Problem: 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 fastenersMar 10, 2021 · NHTSA campaign 21V157000 · 396 vehicles

Problem: 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 suspension components may not have been tightened correctly and can loosen.

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.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

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…

Fuel/propulsion System · received Mar 2, 2026 · NHTSA complaint 11721529

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.

Fuel/propulsion System · received Oct 28, 2025 · NHTSA complaint 11696167

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…

Fuel/propulsion System · received Oct 15, 2025 · NHTSA complaint 11693498

2021 Porsche 911. Consumer writes in regards to missing computer chip for proper steering.

Equipment Adaptive/mobility · received Jun 11, 2021 · NHTSA complaint 11420618

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

Seats · received May 13, 2021 · NHTSA complaint 11416472

Other Porsche 911 years

← 2020 911 · 2022 911 →

See all Porsche 911 problems by year, every Porsche model, or the Porsche VIN decoder.

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Frequently asked questions

What are the most common problems with the 2021 Porsche 911?

Owners most often report fuel/propulsion system, equipment adaptive/mobility, seats problems. The top one, fuel/propulsion system, accounts for 3 complaints.

Was there a recall on the 2021 Porsche 911?

Yes, 6 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2021 Porsche 911 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other 911 model years, the 2021 has too little data to compare. Always get a pre-purchase inspection and check the VIN for open recalls.