The 2018 Porsche Panamera 4’s 23 MPG combined, with its 3.0L six-cylinder engine, won’t win any awards for fuel economy. It’s an acceptable figure for the specific buyer this car attracts. It’s chosen because it’s a Porsche, because it offers sports car performance with a usable back seat and hatchback practicality, and because it makes a statement. Fuel consumption ranks far down the list of priorities for the individual who walks into a Porsche dealer ready to sign for a Panamera 4.

City and highway performance

The EPA estimates 21 MPG in the city and 27 MPG on the highway for the 2018 Panamera 4. These figures are derived from standardized testing that simulates real-world driving conditions. The city figure reflects the stop-and-go nature of urban environments, where the engine spends more time idling or accelerating from a standstill.

The 27 MPG highway rating indicates what can be achieved during consistent cruising at higher speeds. Remember that these are estimates, and your personal results will vary based on your driving style, traffic conditions, and even the weather. Lead-footed driving and constant use of the Panamera’s acceleration will quickly negate any hope of hitting those EPA targets.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2018 Porsche Panamera 4 is $2,500. This calculation is based on driving 15,000 miles per year and using national average fuel prices. This is just an estimate, and your actual fuel expenses can vary significantly.

Factors influencing this cost include the price of gasoline in your area, the type of fuel you use (premium is recommended for optimal performance), and how aggressively you drive. Someone who predominantly drives short distances in the city will likely exceed this estimate, while a driver who mostly uses the car for long highway trips could potentially fall below it.

Real-world expectations

While the EPA figures provide a baseline, real-world fuel economy for the 2018 Porsche Panamera 4 can vary considerably depending on driving habits. Expect the 23 MPG combined rating to be a best-case scenario in mixed driving. More aggressive drivers, or those predominantly driving in congested city conditions, will likely see numbers closer to the low 20s or even high teens.

Conversely, careful highway driving with minimal hard acceleration could yield figures closer to, or even slightly above, the EPA’s 27 MPG highway estimate. The Panamera 4 encourages spirited driving, and that comes with a cost at the pump. See PANAMERA MPG across all years.

How it compares

The fuel economy of the 2018 Porsche Panamera 4 exists within the context of a performance-oriented luxury car. A comparable BMW 540i xDrive, with its 3.0L inline-six, achieves a similar EPA combined rating of 24 MPG. The Mercedes-Benz E450 4MATIC sedan, another competitor, offers a comparable 23 MPG combined. The Audi A7 3.0T Quattro also posts 23 MPG combined.

These figures highlight that the Panamera 4 isn’t drastically out of line with its competitors. Buyers in this segment are typically less focused on absolute fuel efficiency and more concerned with the overall driving experience, technology, and brand prestige. Those solely prioritizing fuel economy might consider a hybrid or plug-in hybrid variant of the Panamera, accepting a trade-off in outright performance for improved efficiency. For more fuel economy figures in this segment see all Porsche fuel economy data.

Tips to maximize efficiency

Optimize your tire pressure. Ensuring your tires are properly inflated to the pressure listed on the door jamb can reduce rolling resistance and improve fuel economy, even if only marginally. Check them regularly, as pressure changes with temperature fluctuations.

Anticipate traffic and avoid unnecessary acceleration and braking. The Panamera 4’s powerful engine is tempting to exploit, but smooth driving will conserve fuel. Look ahead, maintain a consistent speed, and avoid aggressive maneuvers whenever possible. Consider using the car’s cruise control on long highway stretches.

Minimize idling. If you anticipate stopping for more than a minute or two, switch off the engine. Modern engines are designed to restart quickly and efficiently, and idling consumes fuel without contributing to forward motion.

Lighten your load. Remove any unnecessary items from the trunk to reduce the vehicle’s weight. Every extra pound reduces fuel economy, even if it’s a small amount.