Porsche · 2020
Panamera 4 ST 3.0L 6-cyl
✓ EPA Verified
Premium Gasoline
Large Cars
4-Wheel Drive
City
19
MPG
Combined
22
MPG
Highway
26
MPG
Annual Fuel Cost
$2,650
Based on 15,000 miles/year · EPA estimates
vs avg gas vehicle
$500
more per year
Class Comparison — Large Cars
Bottom 45%
Better than 45 out of 100 vehicles in its class for fuel efficiency.
This vehicle: 22 MPG
This vehicle
22 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
403 lbs
Annual CO₂
g/mile tailpipe CO₂
Yes
Start-Stop
Auto stop-start
Vehicle Specifications
Engine3.0L 6-cyl
TransmissionAutomatic (AM-S8)
Drive4-Wheel Drive
Fuel TypePremium Gasoline
Vehicle ClassLarge Cars
Engine DescSIDI
Start-StopYes
EPA Vehicle ID41921

22 MPG combined might not win any fuel economy awards, but it reflects the nature of the 2020 Porsche Panamera 4 Sport Turismo with the 3.0L six-cylinder engine. This car isn’t about sipping fuel; it’s about delivering a uniquely Porsche blend of performance, luxury, and surprising practicality thanks to its wagon body style. Owners aren’t cross-shopping with Priuses. They’re seeking a high-performance vehicle that acknowledges the demands of daily life, a car that’s equally at home carving canyon roads or hauling skis to the slopes.

City and highway performance

The EPA estimates for this Panamera configuration are 19 MPG in the city and 26 MPG on the highway. The city figure reflects stop-and-go driving and the engine’s need to work harder to overcome inertia repeatedly. The highway number is achieved with the aid of the Panamera’s well-calibrated eight-speed automatic transmission (AM-S8), which allows the engine to cruise at lower RPMs when possible.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2020 Porsche Panamera 4 Sport Turismo 3.0L is $2,650. This is calculated based on driving 15,000 miles per year, using a blend of city and highway driving, and factoring in national average fuel prices. Note that this is an estimate; your actual fuel costs will vary depending on your driving habits, the type of fuel you use, and fluctuations in gasoline prices. Still, it provides a benchmark for comparing the long-term running costs of this vehicle with its competitors. Explore all Porsche fuel economy data to see how the Panamera factors in against other cars in the brand.

Real-world expectations

While the EPA provides a standardized baseline, real-world fuel economy often varies. Panamera drivers who frequently exploit the engine’s performance capabilities, particularly in Sport or Sport Plus modes, can expect figures closer to the city MPG, if not lower. Conversely, drivers who prioritize smooth acceleration and consistent highway speeds might see slightly improved numbers, approaching or exceeding the EPA’s 26 MPG estimate. Remember that weather conditions, tire pressure, and use of accessories like air conditioning also influence fuel consumption.

How it compares

Compared to other vehicles in its class, the 2020 Panamera 4 Sport Turismo’s fuel economy lands where you might expect. A comparable Mercedes-Benz CLS450 4MATIC, with its inline-six engine and similar mission of style and performance, achieves 22 MPG combined, effectively matching the Panamera.

The BMW 840i Gran Coupe, a slightly more focused performance offering, also achieves 25 MPG combined according to the EPA. If someone is looking for efficiency, the Panamera 4 E-Hybrid offers a good alternative within the same model line, boasting significantly higher MPG numbers. Potential owners should consider PANAMERA MPG across all years to find a version that best suits their needs.

The difference in overall MPG compared to other cars in the segment is often deemed acceptable by Panamera Sport Turismo buyers, as the Porsche delivers a unique driving experience and wagon versatility that those competitors can’t fully match.

Tips to maximize efficiency

Take advantage of the Panamera’s driving modes. Selecting “Normal” or “Eco” mode will optimize the engine and transmission settings for fuel efficiency, encouraging earlier upshifts and reducing throttle response. The car remains responsive even in these modes, just in a more measured way.

Consider tire pressure. Maintaining recommended tire pressure is critical for optimal fuel economy. Underinflated tires increase rolling resistance, forcing the engine to work harder. Check your tire pressure regularly, especially during temperature changes, and inflate them to the pressure specified on the doorjamb sticker.

Avoid unnecessary idling. Modern engines are surprisingly fuel-efficient at idle, but prolonged idling still burns fuel unnecessarily. If you anticipate waiting for more than a minute or two, it’s generally more economical to shut off the engine. The Panamera’s quick restart system makes this almost smooth.

Resist the urge to accelerate rapidly. While the Panamera’s powerful engine is tempting to exploit, aggressive acceleration consumes significantly more fuel. Smooth, gradual acceleration not only improves fuel economy but also enhances the overall driving experience. Allow the 3.0-liter engine to work gradually and in a linear fashion to make the most of each gallon of fuel.