2023 head-to-head · Large Car

2023 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
$2,962/ year to fuel
20 MPG

The 2023 Genesis G90 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,821 a year to fuel (21 MPG), versus $2,962 for the 2023 Porsche Panamera (20 MPG). That's roughly $141 a year, or about $705 over five years.

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 $2,962
21 MPG Combined efficiency 20 MPG
18 MPG City 18 MPG
26 MPG Highway 24 MPG
109 cu ft Passenger volume 98 cu ft
11 cu ft Cargo volume 27 cu ft
426 g/mi Tailpipe CO₂ (g/mi) 441 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 29 2023 large cars, the Genesis G90 ranks 22nd and the Porsche Panamera 24th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2023 Genesis G90 or the 2023 Porsche Panamera?

Measured by cost to drive, the Genesis G90. The Genesis G90 is rated 21 MPG combined and the Porsche Panamera 20 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 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 $2,962 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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