The 2024 Genesis G80 AWD with the strong 3.5L twin-turbo V6 gets 19 MPG combined. This isn’t Prius territory, and buyers in this segment usually aren’t prioritizing maximizing every last drop of fuel. They’re seeking a luxurious, powerful, and distinctive sedan, and the G80 delivers. The G80 buyer is often a professional seeking a refined daily driver or someone upgrading from a mainstream sedan who values both performance and opulence. They understand the trade-off involved in having nearly 400 horsepower.

City and highway performance

The EPA estimates the G80 AWD 3.5T at 17 MPG in the city and 25 MPG on the highway. The city figure reflects the demands placed on the engine with frequent stops and starts, while the highway number is more achievable during longer cruises where the engine spends more time in its optimal efficiency range. The eight-speed automatic transmission helps reduce fuel consumption on the open road, keeping the engine in its sweet spot. The G80’s all-wheel-drive system also contributes to the reduced MPG, adding weight and drag compared to a rear-wheel-drive configuration.

Annual fuel cost

Based on the EPA’s estimates, the 2024 Genesis G80 AWD 3.5L will cost approximately $3,050 per year in fuel. This figure is calculated assuming 15,000 miles of driving annually, with an equal mix of city and highway miles, and using the national average fuel price. While this cost is not insignificant, it’s a cost many G80 buyers are willing to bear in exchange for the vehicle’s performance and luxury features.

Real-world expectations

While the EPA estimates provide a useful benchmark, real-world fuel economy can vary significantly depending on driving habits, terrain, and weather conditions. Aggressive acceleration, frequent hard braking, and extensive idling will all negatively impact fuel consumption. The G80 is tempting to push, thanks to its generous torque. Drivers who accelerate quickly will likely see numbers below the EPA estimates. On the other hand, those who prioritize smooth, consistent driving and take advantage of the G80’s driver-assistance features may achieve figures closer to, or even slightly above, the EPA’s highway rating.

How it compares

The G80 AWD 3.5T’s fuel economy is similar to its competitors. The BMW 540i xDrive, with its 3.0L inline-six turbo, is rated at 22 MPG combined, offering slightly lower fuel consumption. The Mercedes-Benz E450 4MATIC, powered by a 3.0L inline-six turbo with mild hybrid assist, manages 24 MPG combined. The Audi A6 55 TFSI quattro scores 24 MPG combined as well. These numbers highlight the balancing act between performance and fuel economy in this class. Buyers choose the G80 knowing it will not be the thriftiest pick, but its unique styling and value are attractive. Drivers shopping for the G80 may also be interested in comparing G80 MPG across all years to see how the model has evolved.

Tips to maximize efficiency

Use the G80’s Eco drive mode. This setting re-maps the throttle response and optimizes the transmission’s shift points for maximum fuel efficiency. While it does reduce the performance somewhat, it can make a noticeable difference on longer trips or in stop-and-go traffic. The sporty modes are always available with a quick flick of the drive mode selector.

Ensure your tires are properly inflated. Underinflated tires increase rolling resistance, forcing the engine to work harder and consuming more fuel. Check your tire pressure regularly and inflate them to the recommended specifications listed on the driver’s side door jamb.

Avoid unnecessary idling. If you anticipate stopping for more than a minute, turn off the engine. Modern engines are designed to restart quickly and efficiently, and idling wastes a surprising amount of fuel. This is especially relevant in situations like waiting in a parking lot or idling when picking someone up.

Practice smooth and consistent driving habits. Avoid aggressive acceleration and hard braking, which significantly decrease fuel economy. Anticipate traffic flow and maintain a steady speed whenever possible.

Keep up with scheduled maintenance. A well-maintained engine runs more efficiently. Regular oil changes, air filter replacements, and spark plug inspections can all contribute to improved fuel economy. Potential buyers can also view all Genesis fuel economy data to learn more about the Genesis brand.