A combined 23 MPG in the 2017 Porsche Panamera 4S Executive won’t top any fuel efficiency charts, but that’s not the main goal of this extended-wheelbase luxury performance sedan. This vehicle blends executive-class comfort with Porsche DNA; it’s designed to shrink distances while surrounding its occupants in leather and technology. Fuel efficiency is secondary to effortless power and a driving experience unmatched by many other four-doors. The Panamera 4S Executive appeals to buyers who demand both high performance and long-distance comfort, and who accept the cost of premium fuel.

City and highway performance

The EPA rates the 2017 Panamera 4S Executive at 21 MPG in the city and 28 MPG on the highway. These figures are based on the demands placed on the 2.9L twin-turbocharged V6. In cities, stop-and-go traffic and frequent acceleration lower the city figure. However, the highway number shows the engine’s efficiency when cruising at a constant speed. The eight-speed automatic transmission (AM-S8) also plays a key role, keeping the engine in its optimal power band. This optimizes both performance and fuel consumption based on the driving situation.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2017 Porsche Panamera 4S Executive at $2,500. This is based on driving 15,000 miles per year and using national average fuel prices for premium gasoline, which the Panamera 4S Executive requires. This is only an estimate because actual fuel costs depend on driving habits, the type of driving (city vs. highway), and local fuel prices. Aggressive driving, frequent short trips, and higher-than-average fuel prices will all increase your annual fuel bill. Check all Porsche fuel economy data to see how this compares to other models.

Real-world expectations

While the EPA numbers provide a standardized benchmark, real-world fuel economy often differs. Panamera 4S Executive owners often report figures that are close to the EPA estimates. However, drivers who frequently push the engine’s power may see lower numbers, especially in the city. Conversely, those who prioritize smooth, steady highway driving can sometimes exceed the EPA highway estimate. Driving style and environmental conditions greatly affect fuel economy.

How it compares

Among high-performance luxury sedans, the Panamera 4S Executive’s fuel economy is competitive, but not class-leading. For example, the BMW 740i xDrive, with its 3.0L inline-six, achieves an EPA rating of 22 MPG combined. The Mercedes-Benz S560, powered by a 4.0L V8, comes in around 20 MPG combined. Even the Audi S8, with its turbocharged V8, scores similarly at 18 MPG combined. The Porsche strikes a balance between fuel economy and thrilling driving dynamics. Buyers considering the Panamera are often less concerned with fuel savings and more focused on the Porsche’s unique blend of performance, luxury, and driver engagement. You can also compare the PANAMERA MPG across all years.

Tips to maximize efficiency

The Panamera 4S Executive prioritizes performance, but you can still take steps to improve fuel economy. Avoid aggressive acceleration and hard braking, as these actions consume more fuel. Smooth, progressive driving allows the engine and transmission to operate more efficiently.

Use the Porsche’s driving modes. Selecting “Normal” or “Eco” mode will optimize the engine and transmission settings for fuel efficiency, reducing throttle response and encouraging earlier upshifts. Sport or Sport Plus modes are great for spirited driving but expect a decrease in MPG.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, which negatively impacts fuel economy. Check your tire pressure regularly and maintain the recommended inflation levels found on the door jamb sticker.

Reduce unnecessary weight in the vehicle. Carrying extra cargo in the trunk or rear seats adds weight, which requires more energy to move. Remove any items you don’t need to improve fuel efficiency, especially on longer trips.

Plan your trips strategically. Consider combining errands into a single trip to reduce cold starts. Cold starts consume more fuel than driving a warm engine. Avoid peak traffic times when possible, as stop-and-go driving is the least fuel-efficient scenario.