The 2017 Acura MDX AWD with the 3.5L V6 gets an EPA-estimated 22 MPG combined. This fuel economy isn’t groundbreaking, but it reflects a balance between performance, practicality, and luxury that appeals to a specific buyer: the pragmatic parent who values reliability and a pleasant driving experience over maximum fuel savings. These buyers need three rows sometimes, appreciate a quiet cabin, and don’t mind paying more for Acura’s reputation for longevity.

City and highway performance

EPA estimates show 19 MPG in the city and 26 MPG on the highway. This difference shows where the MDX’s fuel efficiency isn’t as strong. Stop-and-go traffic and short trips will lower your MPG due to the vehicle’s weight and the nature of a naturally aspirated V6. On the open road, however, the MDX, with its 9-speed automatic transmission (S9), cruises more efficiently. The highway rating confirms the MDX’s ability as a long-distance family vehicle.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2017 Acura MDX AWD at $2,650. This is based on driving 15,000 miles per year and using national average fuel prices. Remember that changes in gas prices will affect this number. Drivers in congested city environments or those with a heavy foot can expect to exceed this annual estimate. Conversely, those driving mostly highway miles and driving efficiently may spend less. This figure is a standard for comparing fuel costs across various vehicles, including other model years of the MDX; you can see MDX MPG across all years for a broader perspective.

Real-world expectations

EPA estimates are a good starting point, but real-world mileage often varies, especially for larger SUVs. The MDX’s performance is influenced by driving style, terrain, and cargo load. Expect your mileage to change based on these factors. Frequent use of the MDX’s all-wheel-drive system, while enhancing safety, will slightly reduce fuel economy compared to primarily front-wheel-drive operation. Payload is also a factor. Loading up the MDX with passengers and cargo increases the engine’s workload, decreasing gas mileage. The published EPA numbers are merely a guide; the better you track your own results, the better control you have over your fuel expenses.

How it compares

Among mid-size luxury SUVs with three rows and all-wheel drive, the 2017 MDX’s 22 MPG places it in the middle. A 2017 Lexus RX 350 AWD, for example, gets a slightly better 23 MPG combined, prioritizing fuel efficiency with a smoother driving experience, though it lacks third-row seating. The Volvo XC90 T6 AWD from the same year gets around 22 MPG combined, with a turbocharged and supercharged engine that offers a different power delivery compared to the MDX. A similarly equipped 2017 Audi Q7 is rated at 21 MPG combined. This small difference can mean hundreds of dollars saved or spent annually. Seeing all Acura fuel economy data puts the MDX in context with other Acura vehicles.

Tips to maximize efficiency

Gentle acceleration and smooth braking are important in any vehicle, especially in a larger SUV like the MDX. Avoid aggressive starts and hard braking, as these habits significantly decrease fuel economy. Anticipate traffic flow and maintain a consistent speed whenever possible. Using the MDX’s cruise control on the highway can help maintain efficiency and prevent unintentional speed changes.

Regular maintenance is important for optimal fuel efficiency. Make sure that your MDX’s tires are properly inflated, as underinflated tires increase rolling resistance and reduce MPG. Follow the manufacturer’s recommended maintenance schedule, including oil changes and filter replacements. A well-maintained engine operates more efficiently, getting maximum performance from each gallon of fuel. Acura vehicles are known for their reliability when preventative maintenance is followed; skipping maintenance costs more in the long run.

Reduce unnecessary weight. Carrying excessive cargo in your MDX puts additional strain on the engine, reducing fuel economy. Remove any items you don’t need from the cargo area and passenger compartment. Every extra pound impacts MPG, especially during city driving with frequent acceleration and deceleration. This is critical for active families who often carry a lot of gear.

Consider using the MDX’s available “Econ” mode, if equipped. This mode adjusts throttle response and transmission shift points to prioritize fuel efficiency. While it may slightly dampen the driving experience, it can lead to fuel savings, especially during daily commutes and routine errands. Econ mode won’t turn the MDX into a hybrid, but it can encourage more fuel-conscious driving habits.