Porsche Panamera vs Genesis G80

The Genesis G80 is the more efficient of the two: it reaches 97 mpg combined versus 25 mpg for the Porsche Panamera, a 72 mpg advantage and costs about $2,300 less per year to fuel.

Across 5 measured categories, the Genesis G80 leads in 4. Figures are EPA test data, not manufacturer claims.

2015–2026

Porsche Panamera

Large Cars · 139 configurations

25mpg combined (best)
All Porsche Panamera specs

2017–2027

Genesis G80

Large Cars · 43 configurations

97mpg combined (best)
All Genesis G80 specs

Head-to-head specifications

MetricPorsche PanameraGenesis G80
Best combined MPG25 mpg97 mpg
Best city MPG23 mpg105 mpg
Best highway MPG29 mpg93 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$3,050$750
Lowest CO2 output185 g/mi345 g/mi
Engines offeredSIDI, SIDI; PHEV, 2.9, 4.0SIDI & PFI, SIDI
TransmissionsAutomatic (AM-S8), Automatic (AM-S7)Automatic (S8), Automatic (A1)
DrivetrainsAll-Wheel Drive, Rear-Wheel Drive, 4-Wheel DriveAll-Wheel Drive, Rear-Wheel Drive
Fuel typesPremium, Premium and Electricity, Premium Gas or ElectricityPremium, Electricity, Regular
EPA classLarge CarsLarge Cars
Years covered2015–20262017–2027
Configurations on record13943

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Panamera vs G80: common questions

Which is better on gas, the Porsche Panamera or the Genesis G80?

The Genesis G80 is the more efficient of the two: it reaches 97 mpg combined versus 25 mpg for the Porsche Panamera, a 72 mpg advantage and costs about $2,300 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Genesis G80 runs about $750 a year in fuel at its most efficient configuration, versus about $3,050 for the Porsche Panamera — a difference of roughly $2,300 per year.

What engines do the Panamera and G80 offer?

Porsche Panamera: SIDI, SIDI; PHEV, 2.9, 4.0. Genesis G80: SIDI & PFI, SIDI.

Are they in the same vehicle class?

Yes — the EPA classifies both the Porsche Panamera and the Genesis G80 as Large Cars, so they compete directly.

More Panamera comparisons

Comparison id: porsche-panamera-vs-genesis-g80