78 MPG combined redefines expectations for a luxury SUV, especially one with the sporting intentions of the 2025 Audi Q8 Sportback e-tron quattro. This isn’t just about efficiency; it delivers that efficiency in a stylish, technologically advanced package. The Q8 Sportback e-tron attracts a buyer who wants to use less gas without sacrificing premium features, performance, or brand appeal. They’re willing to embrace electric driving, and they appreciate the Q8’s blend of practicality and head-turning design.

City and highway performance

The EPA estimates the Q8 Sportback e-tron at 77 MPG in the city and 80 MPG on the highway. These figures highlight the advantages of electric powertrains, particularly in urban environments where regenerative braking captures energy usually lost during deceleration. Stop-and-go traffic, a traditional gas guzzler’s nightmare, becomes an opportunity to replenish the battery. The slightly higher highway MPG suggests the Q8 maintains its efficiency even at higher speeds, though aerodynamic drag begins to play a larger role. Drivers who frequently take long road trips will appreciate this relatively small efficiency dip.

Annual fuel cost

According to the EPA, the annual fuel cost for the 2025 Audi Q8 Sportback e-tron quattro is $950. This calculation is based on driving 15,000 miles per year and uses the national average electricity prices. Q8 Sportback e-tron owners will experience significantly lower running costs compared to their gasoline-powered counterparts. Electricity prices can fluctuate by region, so those living in areas with lower rates could potentially see even greater savings. The $950 figure is an average.

Real-world expectations

While the EPA provides a standardized testing protocol, real-world fuel economy can vary depending on driving habits, weather conditions, and terrain. Aggressive acceleration, frequent use of climate control, and driving in extreme temperatures can all impact the Q8 Sportback e-tron’s efficiency. To get a real sense of the average MPG figure owners are achieving, check out Q8 MPG across all years in our user-submitted data. The EPA estimate is a solid benchmark, and owner experiences offer a valuable perspective on what to expect in daily driving.

How it compares

The luxury electric SUV segment is growing, and the Q8 Sportback e-tron faces some direct competition. The BMW iX xDrive50, for example, achieves a combined 86 MPG, which may appeal to buyers driven by numbers alone, although its design is more polarizing. The Mercedes-Benz EQS SUV 450+ offers a more stately presence and boasts a respectable 85 MPG combined. The Tesla Model X, known for its performance and technology integration, achieves approximately 102 MPG combined. The Q8 Sportback e-tron lags slightly behind these rivals on the MPG scale. This matters to a very specific type of buyer, someone who would have purchased an Audi regardless: someone who likes the aesthetic, appreciates Audi’s understated tech integration, and accepts the MPG difference knowing that the ownership experience is their priority.

Tips to maximize efficiency

Use the Audi Drive Select system to optimize energy consumption. The Q8 Sportback e-tron offers various driving modes, including an efficiency mode that limits power output and prioritizes energy regeneration. Experiment with the different modes to find the best balance between performance and efficiency for your driving style.

Precondition the battery and cabin while the vehicle is plugged in. This allows you to warm or cool the cabin and battery using grid power, minimizing the energy drain on the battery during your drive. This is especially beneficial in extreme hot or cold weather.

Take advantage of regenerative braking. By anticipating stops and easing off the accelerator early, you can maximize the amount of energy that is recaptured and returned to the battery, thus extending your range. Become familiar with the different regenerative braking settings and find one that suits your preferences.

Check your tire pressure regularly. Underinflated tires increase rolling resistance, which reduces fuel efficiency. Ensure your tires are inflated to the recommended pressure, which can be found on the sticker inside the driver’s side doorjamb. Also see all Audi fuel economy data.

Minimize aerodynamic drag. Remove any unnecessary items from the roof rack or cargo carrier after use for the best overall economy. The Sportback design already optimizes drag, and as one of the leaders of the new age of aerodynamic design, every little bit helps.