Porsche · 2021
Panamera 4 Executive 2.9L 6-cyl
✓ EPA Verified
Premium Gasoline
Large Cars
All-Wheel Drive
City
17
MPG
Combined
19
MPG
Highway
23
MPG
Annual Fuel Cost
$3,050
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$900
more per year
Class Comparison — Large Cars
Bottom 14%
Better than 14 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 19 MPG
This vehicle
19 MPG
Class average
33 MPG
Class lowest
14 MPG
EPA Energy & Environment Scores
3
Energy Score
Out of 10
3
GHG Score
Out of 10
465 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine2.9L 6-cyl
TransmissionAutomatic (AM-S8)
DriveAll-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassLarge Cars
Engine DescSIDI
Start-StopYes
EPA Vehicle ID43729

The 2021 Porsche Panamera 4 Executive with its 2.9L six-cylinder engine gets 19 MPG combined, according to the EPA. This isn’t what most people expect from fuel-sipping hybrids or economy cars. It’s what you get from a stretched, all-wheel-drive Porsche designed for comfortable high-speed cruising and a certain level of opulent comfort. The Panamera 4 Executive caters to executives, entrepreneurs, and individuals who prioritize space, performance, and the Porsche brand. They accept the fuel consumption as the cost of doing business or the trade-off for enjoying a uniquely capable machine.

City and highway performance

The EPA estimates 17 MPG in city driving and 23 MPG on the highway. The city figure reflects the stop-and-go nature of urban environments, made worse by the Panamera’s weight and the energy required to repeatedly accelerate its 3,800+ pounds. The highway number shows the potential of the turbocharged V6 when allowed to stretch its legs. When driven responsibly on the open road, the Panamera 4 Executive’s advanced engine management and smooth-shifting eight-speed automatic transmission optimize efficiency. However, resisting the temptation to enjoy its performance is a challenge.

Annual fuel cost

The EPA estimates an annual fuel cost of $3,050 for the 2021 Porsche Panamera 4 Executive. This calculation is based on driving 15,000 miles per year, with 55% of those miles driven in the city and 45% on the highway. Gasoline prices are based on national averages. Fluctuations in gasoline prices directly impact this cost. Drivers who exceed 15,000 miles annually, or who primarily drive in heavy traffic, will likely see a higher annual fuel bill. The 2.9L V6 requires premium fuel, which further contributes to the higher annual cost.

Real-world expectations

The EPA provides a standardized benchmark, but real-world fuel economy often deviates. A heavy foot on the accelerator, frequent short trips, or extended idling can all significantly reduce fuel efficiency. Careful driving habits, conscientious maintenance, and mostly highway travel can nudge the numbers closer to the EPA’s higher estimate. Expect to see figures around the EPA estimates if you copy their testing conditions. Check PANAMERA MPG across all years to analyze trends in fuel economy from previous year models.

How it compares

The Panamera 4 Executive’s fuel economy is similar to its competitors. The BMW 740i xDrive, another spacious and luxurious sedan with all-wheel drive, manages approximately 25 MPG combined. The Mercedes-Benz S500 4MATIC achieves 24 MPG combined. These figures highlight the Panamera’s slightly less efficient nature.

The Panamera prioritizes a uniquely engaging driving experience. Its distinctive chassis tuning, steering feel, and engine response set it apart. Some might find the BMW and Mercedes-Benz more comfortable or technologically advanced, but the Porsche offers a level of driver involvement rarely found in this segment. This difference is significant to the Panamera buyer because they are willing to sacrifice a few MPGs for Porsche’s unique driving dynamics.

Tips to maximize efficiency

A gentle driving style is important. The Panamera’s turbocharged engine delivers ample torque at low RPMs, so you don’t have to accelerate aggressively. Smooth starts and anticipatory braking will yield improvements in fuel consumption. Avoid stomping on the accelerator unless you need maximum performance.

Carefully use the Panamera’s driving modes. The “Normal” or “Eco” modes optimize settings for fuel efficiency. They adjust throttle response, transmission shift points, and climate control. These modes may slightly dampen the car’s sporting character, but they can noticeably improve MPG during routine commutes.

Ensure your Panamera is properly maintained. Regular oil changes, tire inflation checks, and air filter replacements contribute to optimal engine performance and efficiency. Underinflated tires increase rolling resistance, while a dirty air filter restricts airflow and reduces engine efficiency.

Minimize idling time. Modern engines consume fuel even when stationary. If you anticipate a wait longer than a minute, switch off the engine. This can make a significant difference, especially during city driving. See all Porsche fuel economy data to expand your perspective.