The 2025 Audi Q8 quattro 3.0L gets 19 MPG combined. No one buys a Q8 primarily for fuel efficiency, its elegant design, smooth and powerful engine, luxurious interior, and prestigious badge are the draws. Fuel economy is simply a cost of entry into this segment for buyers who prioritize style and driving experience.

City and highway performance

The Q8’s EPA ratings break down to 17 MPG in the city and 23 MPG on the highway. The city figure reflects stop-and-go traffic demands, as the Q8’s weight and repeated acceleration affect the engine. The highway number shows the 3.0-liter turbocharged V6’s ability to cruise comfortably at higher speeds, although aerodynamic drag and the quattro all-wheel-drive system limit efficiency. Using the adaptive cruise control can help highway mileage, but it won’t dramatically change the overall picture.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2025 Audi Q8 quattro 3.0L at $3,050. This is based on driving 15,000 miles per year and using national average fuel prices. It’s a significant expenditure, placing the Q8 among the thirstier vehicles. If you’re on a tight budget, consider this cost, and remember that fuel prices fluctuate, potentially increasing this expense.

Real-world expectations

While the EPA provides a standardized benchmark, real-world fuel economy varies based on driving habits, traffic conditions, and weather. Aggressive acceleration, frequent hard braking, and extended idling will decrease fuel economy below the EPA estimates. Gentle driving, anticipating traffic flow, and proper tire inflation, can help you approach or even slightly exceed those figures. Drivers who spend most of their time in congested urban environments will likely see mileage closer to the city rating. Drivers who primarily drive on highways may get closer to the 23 MPG highway estimate. Remember to check Q8 MPG across all years for data from owner reports.

How it compares

The Q8 occupies a competitive spot in the luxury SUV market, and its fuel economy should be viewed in that context. The BMW X6 xDrive40i, a direct competitor with a similar powertrain, achieves a nearly identical 23 MPG combined. The Mercedes-Benz GLE450 4MATIC, another rival, posts a slightly better 20 MPG combined. Even the Porsche Cayenne, with its performance-oriented engine options, isn’t dramatically different. The European luxury SUV segment typically accepts that efficiency is secondary to power, all-wheel drive capability, and a premium driving experience. For buyers prioritizing fuel economy, the Lexus RX 350h hybrid offers a much more favorable 36 MPG combined, but sacrifices the Q8’s dynamic driving character. Don’t forget to check all Audi fuel economy data to understand the range of choices within the brand.

Tips to maximize efficiency

Take advantage of the Audi Drive Select system and choose the “Efficiency” mode when possible. This setting optimizes the powertrain for fuel conservation by adjusting throttle response and shift points. While it may slightly reduce acceleration, it can make a noticeable difference in fuel consumption, especially during routine commuting.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, forcing the engine to work harder and consuming more fuel. Check your tire pressure regularly, ideally every two weeks, and inflate them to the recommended pressure listed on the sticker inside the driver’s side doorjamb. This simple step can have a surprisingly positive impact on fuel economy.

Minimize unnecessary weight. The heavier the vehicle, the more fuel it uses. Remove any unnecessary items from the trunk and rear seats. Every extra pound adds to the engine’s workload, especially during acceleration. Keeping the car clutter-free improves fuel economy and enhances the driving experience.

Avoid aggressive driving habits. Rapid acceleration, hard braking, and excessive speeding significantly reduce fuel economy. Drive smoothly and consistently. Anticipate traffic flow, maintain a safe following distance, and avoid unnecessary lane changes. Driving smoothly improves fuel economy and enhances safety.

Schedule regular maintenance. A well-maintained engine operates more efficiently. Follow the manufacturer’s recommended maintenance schedule, including oil changes, air filter replacements, and spark plug maintenance. A properly tuned engine burns fuel more completely and efficiently, maximizing fuel economy and minimizing emissions.