Fuelfacts

Porsche · Large cars · Gasoline

Porsche Panamera: MPG and annual fuel cost, 2026

Rated at 21 MPG combined for 2026, the Porsche Panamera is tied for 18th of 25 large cars, in the lower half.

Where it stands

Compared only with the gasoline models of its class it is tied for 6th of 11 gasoline large cars, in the lower half. The median of that narrower group is 21 MPG, against 28 MPG for all large cars together.

Among all gasoline models of the year, regardless of size, it is tied for 117th of 180 gasoline models, in the lower half.

Within the 6 Porsche models rated for 2026 it is tied for 3rd on combined rating; the median of the make's line-up is 21 MPG.

In its class, just ahead of it is the Audi A8 Hybrid at 22 MPG and just behind it is the Dodge Charger at 20 MPG.

14146Median 28This model 21
One dot per model of the class.

Fuel cost and CO2

The file prices the fuel for its most efficient version at about $3,900 a year, assuming 15,000 miles a year with 55% of them in the city and premium gasoline at $5.48 per gallon. That is $950 more than the large cars median of $2,950, which makes it tied for 19th of 25 large cars, in the bottom quarter.

Tailpipe CO2 is 425 g/mile, 127 g/mile above the large cars median of 298.

Rated versions

Its city rating is 18 and its highway rating 25: the highway figure is 7 higher. 2 versions are rated for 2026. All of them share the same combined rating of 21 MPG.

Rated versions of the Porsche Panamera for model year 2026
VersionCombined MPGCity MPGHighway MPGAnnual fuel costCO2 g/mile
Panamera 4: 2.9 L, 6 cyl, Automatic (AM-S8), AWD211825$3,900425
Panamera: 2.9 L, 6 cyl, Automatic (AM-S8), RWD211825$3,900431

Year by year

The Porsche Panamera is in the data for 8 of the 8 model years from 2019 to 2026. Between 2019 and 2026 the best combined rating fell by 1 MPG, from 22 to 21. The number of rated versions shrank from 12 to 2. Fuel cost for the best version is $3,900 in the latest data against $3,750 in 2019, although the file applies today's fuel prices to every model year, so that change comes from the rating, not from prices.

222019222020202021202022202023212024212025212026Dashed tick: Class median
Best rating by model year.
Ratings of the Porsche Panamera by model year
Model yearVersionsBest MPGLowest MPGFuel costCO2 g/miClass median
202622121$3,90042528
202532118$3,90042526.5
202422121$3,90042526.5
2023122017$4,10044123
2022102017$4,10044124
2021122017$4,10044123
2020122218$3,75040723
2019122218$3,75040723

Similar models

Models closest to the Porsche Panamera in combined rating within its class
ModelPowertrainCombined MPGAnnual fuel costModel year
Dodge ChargerGasoline20$3,3502026
Audi A8 HybridHybrid22$3,7502026
Genesis G90 HybridHybrid20$4,1002026
Genesis G80Gasoline23$3,5502026
Mercedes-Benz S-Class HybridHybrid23$3,5502026

Rated almost identically and covered by this page:

Compare and rank

Rankings: Large cars, Gasoline, Porsche, Gasoline large cars.

Data: US EPA and DOE, as prepared in methods and data.