Porsche Cayenne e-Hybrid Coupe MPG and Fuel Economy
Porsche have been manufacturing models of Cayenne e-Hybrid Coupe for 2 years, with the latest vehicle in 2021 having a combined MPG of 21.
The estimated fuel cost for the 2021 Porsche Cayenne e-Hybrid Coupe is $3,500 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $2,000 more on fuel driving a 2021 Porsche Cayenne e-Hybrid Coupe.
🛢 The Porsche Cayenne e-Hybrid Coupe will consume roughly 9 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Porsche Cayenne e-Hybrid Coupe will emit 257 grams of CO2, which is about 3,855,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 184 trees would be needed to offset emissions from the Porsche Cayenne e-Hybrid Coupe.
The table below is a complete list of the 2 Porsche Cayenne e-Hybrid Coupe fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2021 Porsche Cayenne e-Hybrid Coupe | 21 | $3,500 |
| 2020 Porsche Cayenne e-Hybrid Coupe | 21 | $3,500 |
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"Porsche Cayenne e-Hybrid Coupe MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/porsche/cayenne-e-hybrid-coupe.
"Porsche Cayenne e-Hybrid Coupe MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/porsche/cayenne-e-hybrid-coupe. Accessed January 3, 2026.
Porsche Cayenne e-Hybrid Coupe MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/porsche/cayenne-e-hybrid-coupe.