2025 head-to-head · Large Car

2025 Audi A8 Hybrid vs Porsche Panamera Plug-in Hybrid

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
$2,693/ year to fuel
22 MPG

AWD · 3.0L 6-cyl turbo · 8-speed automatic · 22 MPG

✓ Cheaper to run
$2,174/ year to fuel
55 MPGe + 21 MPG

The 2025 Porsche Panamera Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $2,174 a year to fuel (55 MPGe + 21 MPG), versus $2,693 for the 2025 Audi A8 Hybrid (22 MPG). That's roughly $519 a year, or about $2,595 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

  • Audi A8 Hybrid
  • Porsche Panamera Plug-in Hybrid

Side by side

Audi A8 HybridPorsche Panamera Plug-in Hybrid
$2,693 Your annual fuel cost $2,174
22 MPG Combined efficiency 55 MPGe + 21 MPG
20 MPG City 51 MPGe / 21 MPG
26 MPG Highway 60 MPGe / 24 MPG
— Electricity use (kWh/100 mi) 62 kWh
— Driving range 490 mi
— All-electric range 28 mi
111 cu ft Passenger volume 98 cu ft
13 cu ft Cargo volume 27 cu ft
414 g/mi Tailpipe CO₂ (g/mi) 185 g/mi
5/10 EPA fuel economy score 6/10
5/10 EPA greenhouse gas score 8/10
— Charge time at 240V 2.5 hrs
Hybrid Powertrain Plug-in hybrid
Premium gasoline Fuel Premium gas + electricity
3.0L 6-cyl turbo Engine / motor 2.9L 8-cyl turbo
8-speed automatic Transmission 8-speed dual-clutch
AWD Drivetrain AWD

✓ 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.

Audi A8 Hybrid vs Porsche Panamera Plug-in Hybrid across model years

  • Audi A8 Hybrid
  • Porsche Panamera Plug-in Hybrid

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 Audi A8 Hybrid has more passenger space (111 vs. 98 cu ft); the Porsche Panamera Plug-in Hybrid has more cargo space (27 vs. 13 cu ft).

Among 25 2025 large cars, the Audi A8 Hybrid ranks 18th and the Porsche Panamera Plug-in Hybrid 15th for lowest fuel cost.

The powertrains differ: the Audi A8 Hybrid is a full hybrid, while the Porsche Panamera Plug-in Hybrid is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2025 Audi A8 Hybrid or the 2025 Porsche Panamera Plug-in Hybrid?

Measured by cost to drive, the Porsche Panamera Plug-in Hybrid. The Audi A8 Hybrid is rated 22 MPG combined and the Porsche Panamera Plug-in Hybrid 55 MPGe + 21 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2025 Audi A8 Hybrid vs. the Porsche Panamera Plug-in Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,693 for the Audi A8 Hybrid and $2,174 for the Porsche Panamera Plug-in Hybrid.

Which has more cargo space?

The Porsche Panamera Plug-in Hybrid, with 27 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).

Audi A8 Hybrid vs Porsche Panamera Plug-in Hybrid in other years

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