The Verdict
Worst problem area
Fuel System
Fuel System leads by volume: 3 of 5 complaints (60%) mention it.
Complaints filed held steady at 5 in both 2020 and 2021.
At a glance
- NHTSA complaints
- 5
- Recall campaigns
- 6
- EPA fuel cost per year
- $3,700–$4,550
- Combined MPG
- 17–21
Complaints by model year
Where owners report problems
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Cost, Fuel Economy & Complaint History
| Category | 2019 | 2020 | 2021 | 2022 | 2023 | vs. 2021 Minicompact Cars |
|---|---|---|---|---|---|---|
| Annual fuel cost ($) | 3,100–4,850 | 3,850 | 3,700–4,550 | 3,700–4,850 | 3,700–4,850 | |
| Combined MPG | 16–25 | 20 | 17–21 | 16–21 | 16–21 | |
| City / Highway MPG | 13–22 / 19–30 | 17–18 / 23–25 | 15–18 / 20–25 | 14–18 / 18–25 | 14–18 / 18–25 | |
| CO₂ tailpipe (g/mi) | 355–566 | 440–453 | 425–529 | 425–571 | 425–571 | |
| Complaints filed | 2 | 5 | 5 | 11 | 3 | |
| Recalls issued | 1 | 2 | 6 | 4 | 5 | |
| Crash-involved complaints | 0 | 0 | 0 | 0 | 0 | |
| Fire-involved complaints | 0 | 0 | 1 | 0 | 0 | |
| Injuries reported | 0 | 0 | 0 | 0 | 0 | |
| Deaths reported | 0 | 0 | 0 | 0 | 0 | |
| Configurations compared | 37 | 12 | 19 | 29 | 33 |
Not compared: this database has no vehicle sales or registration figures, so a raw count mostly reflects how many were sold, not how safe the vehicle is.
Common questions
How many recalls does the 2021 Porsche 911 have?
6 NHTSA recall campaigns as of Nov 7, 2026. Check your VIN with NHTSA to see whether one applies to your car.
What is the most common complaint about the 2021 Porsche 911?
Fuel System: 3 of 5 NHTSA complaints (60%) mention it.
What gas mileage does the 2021 Porsche 911 get?
EPA rates it 17–21 MPG combined across 19 configurations.
How much does it cost to fuel a 2021 Porsche 911?
EPA estimates $3,700–$4,550 a year in fuel costs, using EPA's assumptions.
Similar Vehicles
EPA-Rated Configurations (19)
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 1 | Automatic (AM-S8) | 6 | 3.7L | All-Wheel Drive | Premium | Minicompact Cars | 15 mpg (low) | 20 mpg (low) | 17 mpg (low) | $4,550 (high) | 516 g/mi |
| Configuration 2 | Automatic (AM-S8) | 6 | 3.7L | All-Wheel Drive | Premium | Minicompact Cars | 15 mpg (low) | 20 mpg (low) | 17 mpg (low) | $4,550 (high) | 521 g/mi |
| Configuration 3 | Automatic (AM-S8) | 6 | 3.7L | All-Wheel Drive | Premium | Minicompact Cars | 15 mpg (low) | 20 mpg (low) | 17 mpg (low) | $4,550 (high) | 517 g/mi |
| Configuration 4 | Automatic (AM-S8) | 6 | 3.7L | All-Wheel Drive | Premium | Minicompact Cars | 15 mpg (low) | 20 mpg (low) | 17 mpg (low) | $4,550 (high) | 529 g/mi (high) |
| Configuration 5 | Automatic (AM-S8) | 6 | 3.0L | Rear-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 24 mpg | 20 mpg | $3,850 | 443 g/mi |
| Configuration 6 | Automatic (AM-S8) | 6 | 3.0L | Rear-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 24 mpg | 20 mpg | $3,850 | 443 g/mi |
| Configuration 7 | Manual 7-spd | 6 | 3.0L | Rear-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 25 mpg (high) | 21 mpg (high) | $3,700 (low) | 425 g/mi (low) |
| Configuration 8 | Automatic (AM-S8) | 6 | 3.0L | Rear-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 23 mpg | 20 mpg | $3,850 | 441 g/mi |
| Configuration 9 | Manual 7-spd | 6 | 3.0L | Rear-Wheel Drive | Premium | Minicompact Cars | 17 mpg | 25 mpg (high) | 20 mpg | $3,850 | 443 g/mi |
| Configuration 10 | Automatic (AM-S8) | 6 | 3.0L | Rear-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 23 mpg | 20 mpg | $3,850 | 439 g/mi |
| Configuration 11 | Automatic (AM-S8) | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 24 mpg | 20 mpg | $3,850 | 442 g/mi |
| Configuration 12 | Automatic (AM-S8) | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 24 mpg | 20 mpg | $3,850 | 443 g/mi |
| Configuration 13 | Manual 7-spd | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 17 mpg | 25 mpg (high) | 20 mpg | $3,850 | 442 g/mi |
| Configuration 14 | Automatic (AM-S8) | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 23 mpg | 20 mpg | $3,850 | 443 g/mi |
| Configuration 16 | Automatic (AM-S8) | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 23 mpg | 20 mpg | $3,850 | 439 g/mi |
| Configuration 17 | Automatic (AM-S8) | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 24 mpg | 20 mpg | $3,850 | 442 g/mi |
| Configuration 19 | Automatic (AM-S8) | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 18 mpg (high) | 23 mpg | 20 mpg | $3,850 | 442 g/mi |
Show 2 more configurations
| Configuration | Transmission | Cylinders | Displacement | Drivetrain | Fuel Type | Vehicle Class | City | Highway | Combined | Annual Fuel Cost | CO₂ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Configuration 15 | Manual 7-spd | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 17 mpg | 24 mpg | 20 mpg | $3,850 | 452 g/mi |
| Configuration 18 | Manual 7-spd | 6 | 3.0L | All-Wheel Drive | Premium | Minicompact Cars | 17 mpg | 24 mpg | 20 mpg | $3,850 | 447 g/mi |
Complaints by Category
| Category | Complaints | Crash-Involved | Fire-Involved | Injuries | Deaths |
|---|---|---|---|---|---|
| Engine | 0 | 0 | 0 | 0 | 0 |
| Transmission & Drivetrain | 0 | 0 | 0 | 0 | 0 |
| Fuel System | 3 | 0 | 1 | 0 | 0 |
| Electrical | 0 | 0 | 0 | 0 | 0 |
| Brakes | 0 | 0 | 0 | 0 | 0 |
| Steering | 0 | 0 | 0 | 0 | 0 |
| Suspension, Wheels & Tires | 0 | 0 | 0 | 0 | 0 |
| Airbags & Restraints | 0 | 0 | 0 | 0 | 0 |
| Driver Assistance & Speed Control | 0 | 0 | 0 | 0 | 0 |
| Body, Seats & Latches | 1 | 0 | 0 | 0 | 0 |
| Visibility & Lighting | 0 | 0 | 0 | 0 | 0 |
| Other | 1 | 0 | 0 | 0 | 0 |
A complaint that names more than one category is counted in each, so the rows can add up to more than the total number of complaints.
Recalls (6)
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- 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."
- Consequence
- A rearview image that does not display properly reduces the driver's view behind the vehicle, increasing the risk of a crash.
- Remedy
- 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
- 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.
- Consequence
- Wheel detachment can result in a loss of vehicle control, increasing the risk of a crash.
- Remedy
- 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:WINDSHIELD; VISIBILITY:GLASS, SIDE/REAR
- 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.
- Consequence
- During air bag deployment, an unsecured windshield may not support the front air bags as intended, increasing the risk of injury in a crash.
- Remedy
- 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; SEAT BELTS:FRONT:RETRACTOR; SEAT BELTS:REAR/OTHER:RETRACTOR
- 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 with the requirements of Federal Motor Vehicle Safety Standard number 208, "Occupant Crash Protection."
- Consequence
- An unsecured child restraint system can increase the risk of injury during a crash.
- Remedy
- 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.
SEATS; AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER
- 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.
- Consequence
- An OCS malfunction may affect the front passenger air bag, increasing the risk of injury.
- Remedy
- 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; SUSPENSION:CRITICAL FASTENERS
- 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 suspension components may not have been tightened correctly and can loosen.
- Consequence
- Loose suspension components may detach, causing a sudden loss of vehicle stability and control, and increasing the risk of a crash.
- Remedy
- 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.