Porsche · 2020
Panamera 4S ST 2.9L 6-cyl
✓ EPA Verified
Premium Gasoline
Large Cars
4-Wheel Drive
City
18
MPG
Combined
20
MPG
Highway
24
MPG
Annual Fuel Cost
$2,900
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$750
more per year
Class Comparison — Large Cars
Bottom 24%
Better than 24 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 20 MPG
This vehicle
20 MPG
Class average
33 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
4
Energy Score
Out of 10
4
GHG Score
Out of 10
440 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.9L 6-cyl
TransmissionAutomatic (AM-S8)
Drive4-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassLarge Cars
Engine DescSIDI
Start-StopYes
EPA Vehicle ID41924

20 MPG combined in the 2020 Porsche Panamera 4S Sport Turismo with the 2.9L V6 is an honest compromise. This isn’t a hybrid promising Prius-like efficiency. It’s a high-performance luxury wagon that delivers exhilarating performance and everyday practicality. The buyer of this Panamera variant isn’t solely focused on minimizing trips to the gas station, but they likely appreciate that it doesn’t drink fuel at an alarming rate, either.

City and highway performance

The EPA estimates 18 MPG in the city and 24 MPG on the highway for the 2020 Panamera 4S Sport Turismo. The variance reflects the nature of the car itself. In urban environments, the stop-and-go traffic will activate the engine start/stop system frequently. However, it will also encourage the lead-footed behavior this car inspires. On the open road, the Panamera’s aerodynamic shape and well-chosen gear ratios allow it to cruise efficiently, though hard acceleration to pass other vehicles will certainly affect your fuel bill.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2020 Porsche Panamera 4S Sport Turismo is precisely $2,900. This calculation is based on driving 15,000 miles per year, with a mix of city and highway driving, assuming a national average fuel price. Of course, your actual fuel costs will depend on your driving habits, the type of fuel you use (premium is recommended) and the ever-fluctuating gas prices in your area. This annual cost provides a useful benchmark to compare against other vehicles you might be considering, but remember individual circumstances will always influence the real-world figure.

Real-world expectations

While the EPA provides a standardized test result, remember these are done in controlled lab conditions. Driving style, traffic, weather, and even tire pressure can impact actual fuel economy. Drivers with a heavier foot or those frequently stuck in rush-hour traffic will likely see figures below the EPA estimates. Conversely, those who log mostly highway miles and practice efficient driving techniques might achieve slightly better results. Consider checking out PANAMERA MPG across all years, as well as online forums and owner reviews for a better sense of what other drivers are experiencing.

How it compares

The Panamera 4S Sport Turismo exists in a unique space, straddling the line between performance sedan and practical wagon. A direct competitor, the Mercedes-AMG E63 S Wagon (if you can find one) offers considerably more power, but pays for it with an EPA-estimated 16 MPG combined. On the other hand, if fuel economy is a higher priority and you are willing to sacrifice some performance, a BMW 540i xDrive Sedan achieves 25 MPG combined. A comparable Audi, like the A6 allroad, gets around 22 MPG combined. The Panamera’s blend of practicality and performance places it between these competitors, as does its fuel consumption. Buyers in this market often prioritize driving experience and exclusivity, and are willing to accept a slightly lower MPG in exchange. You can also review all Porsche fuel economy data on this site to broaden your understanding.

Tips to maximize efficiency

The 2.9L V6 responds well to a gentle right foot. Avoid aggressive acceleration and hard braking. Let the car build speed smoothly, using the ample mid-range torque instead of constantly chasing the redline. The Panamera 4S Sport Turismo is designed for effortless cruising, so embrace its relaxed nature when possible.

Ensure your tires are properly inflated to the recommended pressure, which can be found on a sticker inside the driver’s side doorjamb or in the owner’s manual. Under-inflated tires increase rolling resistance, which negatively impacts fuel economy. Check your tire pressures every few weeks, especially as temperatures change, as this affects tire pressure.

Minimize idling. Modern engines warm up quickly while driving, so there’s no need to let the car idle for extended periods, especially when starting the car. If you’re stopped for more than a minute or two, consider turning off the engine manually (as the start/stop system does) to conserve fuel while you’re sitting at railroad crossings, stoplights, or holding for a passenger.

Use cruise control on the highway whenever possible. Maintaining a consistent speed helps optimize fuel efficiency. Avoid the temptation to speed, as aerodynamic drag increases dramatically at higher speeds. Setting the cruise control a few miles per hour below the speed limit can significantly improve your MPG on longer journeys.

Keep up with regular maintenance, including oil changes, air filter replacements, and spark plug inspections. A well-maintained engine runs more efficiently. Ensure that your scheduled maintenance is performed at the prescribed intervals, and always use high-quality, manufacturer-recommended parts and fluids.