42/100

2017Minicompact CarsPremium

2017 Porsche 911 Carrera 4 Cabriolet

EPA ID: 37444

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City MPG

Combined MPG

24MPG· Average

Highway MPG

Fuel Economy Overview

The 2017 Porsche 911 Carrera 4 Cabriolet achieves an EPA-estimated 24 MPG in combined city and highway driving, with 21 MPG in the city and 28 MPG on the highway. Powered by a 3L 6-cylinder turbocharged engine paired with a automatic (am-s7), this minicompact cars features 4-Wheel Drive drive.

In terms of environmental impact, the 2017 911 Carrera 4 Cabriolet produces approximately 370 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 4 Cabriolet performs better than the national average in this regard.

The estimated annual fuel cost for this vehicle is $2,900, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $3,750 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-S7)

Drive Type4-Wheel Drive

Green Scorecard

CO2 Emissions370 g/mi

Start-Stop SystemEquipped

GHG Score5/10

Smog RatingN/A

Est. Annual Cost$2,900

5-Year Cost DeltaSave $3,750

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

23.7

Impact vs EPA

+$31

/ 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

$633/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

46.1%

Fuel & Electricity

Based on National Average rates ($3.50/gal)

$10,938

28.8%

Estimated Insurance

Based on vehicle class risk profile

$9,125

24.0%

State Registration Fees

Based on National Average DMV base rates

$400

1.1%

Total 5-Year Cost$37,963

Recall Intelligence

Campaign #19V533000·2020-02-12

critical

Component: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE

Porsche Cars North America, Inc. (Porsche) is recalling certain 2016-2017 911 and Boxster, 2016 Cayman and Panamera vehicles. The air bag Electronic Control Unit (ECU) may have a defective power supply capacitor that can result in air bag deactivation or inadvertent deployment of the air bags.

Consequence & Remedy

Consequence: Deactivated air bags increase the risk of injury. Inadvertent deployment of the air bags increase the risk of a crash.

Remedy: Porsche will notify owners, and dealers will install new software and replace the air bag ECU as necessary, free of charge. Interim notices informing owners of the safety risk were mailed September 13, 2019. Owners received a second notice and the recall began February 12, 2020. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AKB4.

Campaign #17V134000·2017-05-15

critical

Component: AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Porsche Cars North America, Inc. (Porsche) is recalling certain 2016 911 GT3 RS and 911 R vehicles and 2017 911 Carrera, 911 Carrera Cabriolet, 911 Carrera 4, 911 Carrera 4S, 911 Carrera 4S Cabriolet, 911 Carrera S, 911 Carrera S Cabriolet, 911 Targa 4, 911 Targa 4S, 911 Turbo S, 911 Turbo S Cabriolet, 718 Boxster, 718 Boxster S, 718 Cayman and 718 Cayman S vehicles. The passenger frontal air bag inflator initiator may fail to ignite during a crash.

Consequence & Remedy

Consequence: If the air bag inflator initiator fails to ignite, the passenger frontal air bag will not deploy, increasing the risk of injury in the event of a crash.

Remedy: Porsche will notify owners, and dealers will replace the affected air bags, free of charge. The recall began May 15, 2017. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AH03.

Campaign #17V135000·2017-05-12

critical

Component: VISIBILITY:WINDSHIELD

Porsche Cars North America, Inc. (Porsche) is recalling certain 2017 911 Carrera Cabriolet, 911 Carrera 4 Cabriolet, 911 Carrera 4S Cabriolet, 911 Carrera S Cabriolet, 911 Targa S, 911 Targa 4S, 911 Turbo Cabriolet, 718 Boxter and 718 Boxter S vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 212, "Windshield Mounting."

Consequence & Remedy

Consequence: In the event of a crash, if the windshield separates from the vehicle, it can increase the risk of injury.

Remedy: Porsche will notify owners, and dealers will rebond the windshield, free of charge. The recall began on May 12, 2016. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for the recall is AH04.

Campaign #16V946000·2017-03-27

critical

Component: AIR BAGS:SIDE/WINDOW

Porsche Cars North America, Inc. (Porsche) is recalling certain model year 2017 718 Boxster, 718 Boxster S, 718 Cayman, 718 Cayman S, 911 Carrera, 911 Carrera S, 911 Carrera S Cabriolet, 911 Carrera 4S, 911 Turbo, 911 Turbo S, 911 Carrera 4S Cabriolet, and 911 Turbo Cabriolet vehicles. The seat mounted side air bag inflator initiator may fail to ignite during a crash.

Consequence & Remedy

Consequence: If the air bag inflator initiator fails to ignite, the side air bag will not deploy, increasing the risk of injury in the event of a crash.

Remedy: Porsche will notify owners, and dealers will replace the affected air bag modules, free of charge. The recall began April 2017. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AG10.

Campaign #17V054000·2017-03-27

critical

Component: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Porsche Cars North America, Inc. (Porsche) is recalling certain 2017 911 Carrera, 911 Carrera S, 911 Carrera 4, 911 Carrera 4S, 911 Targa 4, 911 Targa 4S + GTS, 911 Carrera Cabriolet, 911 Carrera S Cabriolet, 911 Carrera 4 Cabriolet, 911 Carrera 4S Cabriolet, 718 Boxster, 718 Boxster S, 718 Cayman, and 718 Cayman S vehicles. The screws that fasten the fuel collection pipes in the engine compartment may shear off, resulting in a fuel leak.

Consequence & Remedy

(Based on 200,000 miles driven)

74.0 metric tons CO₂

Equivalent To:

🌳 92 tree seedlings grown for 10 yrs

✈️ 6.2 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.