⛔

Do Not Drive — Critical Safety Warning

The NHTSA has issued a "Park It" advisory for this specific vehicle configuration. There is a catastrophic safety defect that poses an immediate risk of death or severe injury. Scroll down to the Recall Intelligence section for specific remedy instructions.

36/100

2024Minicompact CarsPremium

2024 Porsche 911 Carrera 4S Cabriolet

EPA ID: 47299

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City MPG

Combined MPG

20MPG· Average

Highway MPG

Fuel Economy Overview

The 2024 Porsche 911 Carrera 4S Cabriolet achieves an EPA-estimated 20 MPG in combined city and highway driving, with 18 MPG in the city and 23 MPG on the highway. Powered by a 3L 6-cylinder turbocharged engine paired with a automatic (am-s8), this minicompact cars features All-Wheel Drive drive.

In terms of environmental impact, the 2024 911 Carrera 4S Cabriolet produces approximately 439 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this 911 Carrera 4S Cabriolet has higher-than-average emissions in this regard.

The estimated annual fuel cost for this vehicle is $3,450, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $6,500 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.

Energy DNA

Vehicle ClassMinicompact Cars

Fuel TypePremium

Engine3L 6-cyl

AspirationTurbocharged

TransmissionAutomatic (AM-S8)

Drive TypeAll-Wheel Drive

Green Scorecard

CO2 Emissions439 g/mi

Start-Stop SystemEquipped

GHG Score4/10

Smog RatingN/A

Est. Annual Cost$3,450

5-Year Cost DeltaSave $6,500

Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy

55% City45% Highway

Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.

Your Real MPG

20.0

Impact vs EPA

+$6

/ year

💨

Aerodynamic Speed Penalty

EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.

5-Year Total Cost of Ownership

Estimated Monthly Cost

$669/mo

Includes estimated depreciation, fuel, insurance, and state fees over 5 years. Does not include loan interest.

Annual Mileage15,000 mi

Value Depreciation

Est. value lost over 60 months

$17,500

43.6%

Fuel & Electricity

Based on National Average rates ($3.50/gal)

$13,125

32.7%

Estimated Insurance

Based on vehicle class risk profile

$9,125

22.7%

State Registration Fees

Based on National Average DMV base rates

$400

1.0%

Total 5-Year Cost$40,150

Recall Intelligence

Campaign #25V896000·2026-02-13

critical

Component: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

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 & Remedy

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.

Campaign #24V809000·2025-01-24

⛔ PARK IT

Component: WHEELS:LUGS/NUTS/BOLTS/STUDS

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 & Remedy

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.

Campaign #24V155000·2024-08-30

critical

Component: VISIBILITY:GLASS, SIDE/REAR

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 & Remedy

(Based on 200,000 miles driven)

87.8 metric tons CO₂

Equivalent To:

🌳 109 tree seedlings grown for 10 yrs

✈️ 7.3 cross-country flights/yr

Data Provenance

Data directly from the EPA National Vehicle and Fuel Emissions Laboratory. The combined rating is a weighted average (55% city, 45% highway). For official figures, visit fueleconomy.gov.