21 MPG combined shouldn’t surprise or dissuade anyone seriously considering a 2020 Porsche Panamera Turbo. This isn’t a hybrid grocery-getter; it’s a supremely capable, high-performance luxury sedan that happens to have four doors and a hatchback. The price for seating four adults in opulent comfort while effortlessly exceeding speed limits is paid for at the pump.

City and highway performance

The EPA estimates 18 MPG in the city and 25 MPG on the highway for the Panamera Turbo. The city figure reflects stop-and-go traffic, where the 4.0L twin-turbo V8 is constantly accelerating its considerable mass. The highway number is more palatable, but even here, aggressive use of the throttle to overtake slower traffic will quickly drop the observed MPG. The automatic transmission helps keep the engine efficient, but the Panamera Turbo encourages enthusiastic driving, which is rarely conducive to maximizing fuel efficiency.

Annual fuel cost

The EPA estimates an annual fuel cost of $2,750 for the 2020 Porsche Panamera Turbo. This figure is based on driving 15,000 miles per year, with 55% of those miles driven in the city and 45% on the highway. It also assumes national average fuel prices. Real-world fuel costs can vary significantly depending on driving habits, geographic location, and fluctuations in fuel prices. Those drawn to a high-performance vehicle like the Panamera Turbo are less likely to carefully monitor their fuel consumption, with all Porsche fuel economy data available, buyers aren’t generally prioritizing cost savings.

Real-world expectations

While the EPA provides a standardized benchmark, real-world fuel economy often differs. Expect to see MPG numbers slightly below the EPA estimates if you frequently exploit the engine’s power, which is the primary reason someone buys this car. Conservative drivers who adopt a lighter foot and stick to highway cruising can likely match or even exceed the EPA highway figure. However, achieving the combined 21 MPG consistently will require conscious effort and restraint, qualities not often associated with Panamera Turbo ownership.

How it compares

The Panamera Turbo exists in a rarefied segment, competing with other high-performance luxury sedans. The BMW M5 Competition, with its 4.4L twin-turbo V8, achieves an EPA-estimated 17 MPG combined. The Mercedes-AMG GT 63 S 4-Door Coupe manages a similar 17 MPG combined, and the Audi RS7, with its 4.0L twin-turbo V8, only delivers 18 MPG combined. These figures highlight that the Panamera Turbo’s fuel economy is generally in line with its direct competitors. The fact that these vehicles exist and thrive indicates that buyers in this segment prioritize performance and luxury over outright fuel efficiency. However, other trims in the Panamera lineup do place a greater emphasis on fuel economy, so understanding PANAMERA MPG across all years is important.

Tips to maximize efficiency

The Panamera Turbo’s automatic transmission is programmed for both performance and efficiency. Letting the transmission do its job in automatic mode, especially in the “Normal” or “Comfort” driving modes, will generally yield better fuel economy than manually shifting, unless you’re extremely attentive to gear selection.

Avoid hard acceleration and abrupt braking. The Panamera Turbo’s immense power can be intoxicating, but smooth, gradual acceleration is far more fuel-efficient. Anticipate traffic flow and maintain a steady speed whenever possible. Gentle braking is also important.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, which reduces fuel economy. Check your tire pressures regularly and inflate them to the manufacturer’s recommended specifications, found on the door jamb.

Reduce unnecessary weight. Remove any items from the trunk or rear seats that aren’t essential. Carrying around extra weight forces the engine to work harder, consuming more fuel.