21 MPG combined isn’t going to win any awards, but it’s the reality for those seeking a well-rounded, three-row luxury SUV like the 2023 Acura MDX AWD. This isn’t a vehicle purchased by hypermilers; it’s chosen by families who need space, appreciate a touch of luxury, and prioritize Acura’s reputation for reliability over squeezing every last mile from a gallon of gasoline. They’re willing to accept the fuel economy shortcomings in exchange for the MDX’s blend of practicality and premium features.

City and highway performance

The MDX’s EPA ratings break down to 19 MPG in the city and 25 MPG on the highway. The city figure reflects the reality of stop-and-go traffic, where the 3.5L V6 engine and 10-speed automatic transmission are less efficient. The highway rating is respectable for a vehicle of this size and weight. Highway driving allows the transmission to settle into its higher gears, reducing engine workload and improving fuel efficiency. Long road trips, a common scenario for MDX owners, will therefore yield closer to that 25 MPG figure, mitigating some of the pain felt around town. Those primarily doing urban driving will likely see their fuel consumption lean more toward the 19 MPG city rating.

Annual fuel cost

The EPA estimates the annual fuel cost for the 2023 Acura MDX AWD at $2,750. This calculation is based on driving 15,000 miles per year and using national average fuel prices. The average prices fluctuate constantly, of course, but this figure provides a standardized benchmark for comparison. It’s a number to consider when budgeting for vehicle ownership. The MDX’s appetite for premium fuel adds up over time. This means the savings you might get with another vehicle are diminished if that vehicle requires regular fuel. The expense can feel amplified for those who live in regions with higher-than-average fuel costs.

Real-world expectations

While EPA ratings provide a standardized benchmark, real-world fuel economy often varies. Aggressive driving, carrying heavy loads, and consistent use of features like air conditioning can all negatively impact fuel consumption. Expect to see figures that fluctuate around the EPA estimates, potentially dipping lower in demanding conditions. Also, remember that while the MDX’s fuel tank is adequate, frequent fill-ups will be the norm for those who rack up significant mileage. Owners who prioritize fuel efficiency will need to adopt driving habits that minimize fuel consumption, but even then, the MDX’s inherent characteristics will limit the extent of potential savings.

How it compares

The 2023 Acura MDX finds itself in a competitive segment where fuel economy varies significantly. The Lexus RX 350 AWD, for instance, manages a slightly better 25 MPG combined. Similarly, the Volvo XC90 B5 AWD achieves around 24 MPG combined. On the other end of the scale, you have the Infiniti QX60 AWD, which is similar to the MDX at 21 MPG combined. This difference matters, an extra 3 to 4 MPG can translate to hundreds of dollars saved annually. However, the MDX buyer isn’t solely focused on fuel economy; they are also balancing factors such as driving dynamics, reliability, and brand reputation. A more efficient SUV might not offer the same engaging driving experience or carry the same long-term ownership costs.

Tips to maximize efficiency

Avoid aggressive acceleration and hard braking. The MDX’s 3.5L V6 can be responsive, but exploiting its power frequently will drain fuel quickly. Gentle acceleration and anticipating traffic flow can significantly improve fuel efficiency, especially in city driving.

Maintain proper tire inflation. Underinflated tires increase rolling resistance, forcing the engine to work harder and consuming more fuel. Check the tire pressure regularly and inflate them to the recommended pressure listed on the door jamb, not the maximum pressure on the tire itself.

Minimize idling time. Allowing the engine to idle for extended periods wastes fuel. If you’re stopped for more than a minute, turn off the engine. The MDX has a relatively quick start-up, so you won’t lose much time, and you’ll conserve fuel in the process.

Use cruise control on the highway. Cruise control helps maintain a constant speed, preventing unnecessary acceleration and deceleration. This is particularly beneficial on long highway drives, where consistent pace is key to efficient fuel consumption.

Consider a lighter load. While the MDX is designed to carry passengers and cargo, carrying unnecessary weight reduces fuel economy. Remove any items you don’t need from the vehicle to lighten the load and improve efficiency. Keep up with all all Acura fuel economy data and see where the MDX MPG across all years stacks up.