2025 head-to-head · Large Car

2025 Genesis G90 vs Porsche Panamera

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,821/ year to fuel
21 MPG

AWD · 3.5L 6-cyl turbo · 8-speed automatic · 21 MPG

✓ Cheaper to run
$2,821/ year to fuel
21 MPG

On fuel costs these two are nearly tied. Driving 15,000 miles a year with $3.95/gal premium gas, the most efficient 2025 Genesis G90 (21 MPG) costs about $2,821 a year to fuel and the 2025 Porsche Panamera (21 MPG) about $2,821.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Genesis G90
  • Porsche Panamera

Side by side

Genesis G90Porsche Panamera
$2,821 Your annual fuel cost $2,821
21 MPG Combined efficiency 21 MPG
18 MPG City 18 MPG
26 MPG Highway 25 MPG
109 cu ft Passenger volume 98 cu ft
11 cu ft Cargo volume 27 cu ft
426 g/mi Tailpipe CO₂ (g/mi) 431 g/mi
4/10 EPA fuel economy score 4/10
4/10 EPA greenhouse gas score 4/10
Gas Powertrain Gas
Premium gasoline Fuel Premium gasoline
3.5L 6-cyl turbo Engine / motor 2.9L 6-cyl turbo
8-speed automatic Transmission 8-speed dual-clutch
AWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Genesis G90 vs Porsche Panamera across model years

  • Genesis G90
  • Porsche Panamera

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the Genesis G90 has more passenger space (109 vs. 98 cu ft); the Porsche Panamera has more cargo space (27 vs. 11 cu ft).

Among 25 2025 large cars, the Genesis G90 ranks 20th and the Porsche Panamera 19th for lowest fuel cost.

Frequently asked questions

How much does it cost to fuel the 2025 Genesis G90 vs. the Porsche Panamera per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,821 for the Genesis G90 and $2,821 for the Porsche Panamera.

Which has more cargo space?

The Porsche Panamera, with 27 cu ft of luggage volume versus 11 cu ft (EPA interior volume index).

Genesis G90 vs Porsche Panamera in other years

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