2018 Porsche Panamera 4 ST
Fuel Economy Overview
The 2018 Porsche Panamera 4 ST achieves an EPA-estimated 23 MPG in combined city and highway driving, with 20 MPG in the city and 26 MPG on the highway. Powered by a 3L 6-cylinder turbocharged engine paired with a automatic (am-s8), this large cars features 4-Wheel Drive drive.
In terms of environmental impact, the 2018 Panamera 4 ST produces approximately 390 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 Panamera 4 ST performs better than the national average in this regard.
The estimated annual fuel cost for this vehicle is $3,000, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would save $4,250 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
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
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.
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
Recall Intelligence
Porsche Cars North America, Inc. (Porsche) is recalling certain 2016-2020 Macan S, 2017-2020 Macan, 2017 Panamera Turbo, 2018 and 2020 Macan Turbo and Panamera 4, 2018 Macan Sport Edition, Panamera 4 E-Hybrid, and 2019 Panamera 4 Sport Turismo vehicles. The screw that attaches the lower seat belt anchor to the seat frame on the outboard rear seats may not have been tightened properly.
Consequence & Remedy
Consequence: An improperly tightened seat belt anchor can detach during a crash, increasing the risk of injury.
Remedy: Dealers will replace and tighten the lower rear outboard seat belt anchor screws, free of charge. Owner notification letters are expected to be mailed August 24, 2023. Owners may contact Porsche's customer service at 1-800-767-7243. Porsche's number for this recall is APA9.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2017-2021 Panamera, Panamera 4, Panamera GTS and Panamera Turbo vehicles. Please see the recall report for a complete list of specific model names and model years. Humidity may enter the external coolant pump for the climate control system and cause an electrical short circuit.
Consequence & Remedy
Consequence: An electrical short circuit increases the risk of a vehicle fire.
Remedy: Dealers will replace the external coolant pump and inspect and replace the plug-in connection, if necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed March 6, 2023. Owners will receive a second notice once remedy becomes available, anticipated July 2023. Owners may contact Porsche's customer service at 1-800-767-7243. Porsche's number for this recall is APA1.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2017 Panamera 4, Panamera Turbo, Panamera Turbo Executive, 2017-2018 Panamera, Panamera 4S Executive, Panamera 4S, 2018 Panamera Turbo S Hybrid, Panamera 4 Hybrid Sport Turismo, Panamera 4 Sport Turismo, Panamera Turbo S Hybrid Sport Turismo, Panamera 4 Hybrid, Panamera 4 Executive, 2019 Cayenne Hybrid, 2019-2020 Cayenne, Cayenne S, Cayenne Turbo, 2020 Cayenne Coupe, Cayenne Turbo Coupe, and Cayenne S Coupe vehicles. The instrument cluster may not provide a visual warning when the brake pads are worn out. As a result, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 135, "Light vehicle brake systems."
Consequence & Remedy
Consequence: If the driver is not alerted when brake pads are worn out, the vehicle may not respond as expected when braking, increasing the risk of crash.
Remedy: Porsche will notify owners, and dealers will reprogram the instrument cluster, free of charge. The recall is began December 13, 2019. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AKB8. Note: This recall supersedes recall 19V115 and includes vehicles that were previously remedied under that campaign.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2018 Porsche Panamera Turbo S Hybrid Executive, Panamera 4 Hybrid, Panamera Turbo S Hybrid, Panamera 4 Hybrid Executive, Panamera 4 Hybrid Sport Turismo, and Panamera Turbo S Hybrid Sport Turismo vehicles. The brake lines installed on the front axle may corrode over time. Corrosion inside the line may affect the front braking performance.
Consequence & Remedy
Consequence: Braking ability that is reduced due to a corroded brake line can increase the risk of a crash.
Remedy: Porsche will notify owners, and dealers will replace the brake line, and any damaged brake components, free of charge. The recall began June 26, 2019. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AJ11.
Porsche Cars North America, Inc is recalling certain 2018 Panamera, Panamera 4, Panamera 4 E-Hybrid, Panamera 4 E-Hybrid Executive, Panamera 4 E- Hybrid Sport Turismo, Panamera 4S, Panamera Turbo, Panamera Turbo Executive, Panamera 4 Sport Turismo, Panamera Turbo S E-Hybrid Sport Turismo, vehicles. Incorrect soldering of a control unit may result in the intermittent failure of various systems, possible affecting vehicle driveability.
Consequence & Remedy
Consequence: Impaired vehicle driveability can increase the risk of a crash.
Remedy: Porsche Cars North America will notify owners, and dealers will replace the affected control units, free of charge. The recall began May 17, 2019. Owners may contact Porsche's customer service at 1-800-767-7243. Porsche's number for this recall is AKA5.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2018 Panamera 4 Executive, Panamera 4S Sport Turismo, Panamera 4 Hybrid, Panamera 4 Hybrid Executive, Panamera 4 Hybrid Sport Turismo, Panamera Turbo Sport Turismo, Panamera Turbo S Hybrid Executive, Panamera Turbo S Hybrid, Panamera 4 Sport Turismo and Panamera Turbo S Hybrid Sport Turismo vehicles, 2017-2018 Panamera, Panamera 4, Panamera Turbo Executive, Panamera 4S, Panamera Turbo and Panamera 4S Executive vehicles and 2019 Cayenne S and Cayenne vehicles. The instrument cluster may not provide a visual warning when the brake pads are worn out. As a result, these vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 135, "Light vehicle brake systems."
Consequence & Remedy
Consequence: If the driver is not alerted when brake pads are worn out, the driver may lose control of the vehicle while attempting to brake, increasing the risk of crash.
Remedy: Porsche will notify owners, and dealers will update the instrument cluster software, free of charge. The recall began April 19, 2019. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AKA1/AKA0.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2017-2018 Porsche Panamera, Panamera 4, Panamera 4S, Panamera Turbo, Panamera 4S Executive, Panamera Turbo Executive, 2018 Panamera 4 Executive, Panamera 4 E-Hybrid, Panamera Turbo S E-Hybrid, Panamera 4 E-Hybrid Executive, Panamera S E-Hybrid Executive, Panamera 4 Sport Turismo, Panamera 4S Sport Turismo, Panamera 4 E-Hybrid Sport Turismo, Panamera Turbo Sport Turismo, and Panamera Turbo S Sport Turismo vehicles. A software failure may result in an intermittent loss of electric power steering assist.
Consequence & Remedy
Consequence: An intermittent loss of power steering assist can increase the risk of a crash.
Remedy: Porsche will notify owners, and dealers will reprogram the power steering control unit, free of charge. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is AJ13.
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Porsche Panamera 4 ST configurations.
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)