17 MPG combined. Let’s be honest, that’s not why anyone buys a 2023 Porsche Cayenne GTS. It’s not just a way to get around; it’s a statement. It’s a luxury performance SUV packing a snarling 4.0-liter V8 under the hood, and its owners prioritize a visceral driving experience over squeezing every last mile from a gallon of premium fuel. These are buyers who appreciate the finer things, who value the Porsche crest, and who view fuel costs as a secondary consideration to the thrill of launching from 0 to 60 mph in under five seconds while nestled in supportive, leather-clad sport seats.

City and highway performance

The EPA ratings for the Cayenne GTS break down to 15 MPG in the city and 19 MPG on the highway. The city figure reflects the realities of stop-and-go traffic, where the V8 engine and eight-speed automatic transmission work harder, and any potential for fuel-sipping efficiency is quickly negated. The highway number is a bit more optimistic, but still tempered by the Cayenne’s weight, aerodynamic profile and the temptation to exploit its passing power at every opportunity. A lighter foot could certainly improve these numbers. But in reality, most GTS drivers will rarely be thinking about efficiency while merging onto the highway.

Annual fuel cost

According to the EPA, the estimated annual fuel cost for the 2023 Porsche Cayenne GTS is $3,400. This figure is based on driving 15,000 miles per year and using national average fuel prices. Remember this is simply an estimate; individual driving habits, local fuel costs, and even seasonal changes in gasoline blends can all influence the actual amount spent on fuel. However, the $3,400 figure provides a standardized benchmark for comparing the Cayenne GTS to other vehicles in its class. For those looking for all Porsche fuel economy data, it offers a quick point of reference relative to the broader lineup.

Real-world expectations

While the EPA provides a valuable baseline, real-world fuel economy for the Cayenne GTS will vary depending on driving style and conditions. Expect to see numbers closer to the city figure if your daily commute involves primarily stop-and-go driving. On longer road trips, it might be possible to briefly approach the highway estimate, but even then, the urge to tap into the engine’s abundant power will likely keep the average closer to the combined rating. Owners who frequently engage “Sport” or “Sport Plus” driving modes, further optimizing the powertrain for performance, should anticipate even lower fuel economy. As always, remember to consult existing CAAYENNE MPG across all years to understand generational trends and variations.

How it compares

Compared to its competitors, the Cayenne GTS falls squarely in the middle of the pack when it comes to fuel economy. The BMW X5 M, with its similar performance-oriented engine, achieves a virtually identical 17 MPG combined. Other performance SUVs like the Mercedes-AMG GLE 63 S offer similar real-world economy as the Cayenne GTS. Some non-performance oriented rivals like the non-hybrid Land Rover Range Rover can reach 20-21 MPG combined which shows that a lot of engineering focuses on pure sports performance in the Porsche. For buyers who prioritize fuel efficiency above all else, hybrid or plug-in hybrid SUVs within the Porsche range, such as the Cayenne E-Hybrid, represent valid alternatives, achieving significantly higher MPG figures at the expense of some performance.

Tips to maximize efficiency

While the Cayenne GTS isn’t designed for maximum fuel efficiency, there are still some steps drivers can take to improve their MPG. Avoid aggressive acceleration and braking, as these actions place a significant strain on the engine. Anticipate traffic flow and maintain a smooth, consistent speed whenever possible.

Ensure the tires are properly inflated to the recommended pressure. Under-inflated tires increase rolling resistance, which can negatively impact fuel economy. Check the tire pressure regularly and adjust as needed.

Lighten the vehicle’s load. Remove any unnecessary items from the cargo area, as extra weight reduces fuel efficiency. Carrying around unnecessary gear can add up over time.

Minimize idling. If you anticipate being stopped for more than a minute, turn off the engine. Idling consumes fuel without covering any distance; modern engines are designed for quick and easy restarts.

Use cruise control on the highway. This helps maintain a consistent speed and avoid unnecessary acceleration, thereby maximizing fuel efficiency. This is especially effective on long highway drives, allowing the computers to optimize outputs.