How big is the tank on an Acura MDX?
The fuel tank on most modern Acura MDX models is 19.5 gallons (74 liters). This size applies to the current generation and its recent refreshes, though exact capacity can vary by year, trim, or regional specifications. Always verify your specific model’s figure in the official documentation if precision matters.
In this article, we break down the standard tank size for the MDX, explain how tank capacity influences range, and show how to confirm the exact capacity for your particular year and configuration. We also outline practical steps for verifying the number on your vehicle.
Tank size in the current MDX lineup
Here’s what you typically see with the MDX in production over the last decade, along with notes about consistency and exceptions.
- Fuel tank capacity: 19.5 gallons (74 liters) for MDX models from 2014 through today, including the 2022 refresh.
- Drivetrain consistency: Capacity is generally the same across FWD and all-wheel-drive configurations in most trims.
- Variations by market: Some regional or special-edition models may have slight differences; always confirm with official specs for your year and market.
In short, for the vast majority of current MDX models, you should expect a 19.5-gallon tank, with minor exceptions depending on year or market.
Generational notes
Notes on generations: The third-generation MDX introduced in 2014 and its subsequent refreshes maintain a 19.5-gallon tank. Early first- and second-generation MDX models typically carried similar capacities, but exact figures can vary by year and trim, so verify against the specific documentation for your vehicle.
How to verify your exact capacity
To confirm the precise tank size for your particular MDX, use these primary sources and checks.
- Owner’s manual: Look in the specifications or fuel system section for the official tank capacity.
- Vehicle label: Check the fuel-filler door label or the door jamb/VIN sticker for the listed fuel capacity.
- Official spec sheets: Refer to Acura/Honda brochures or the online spec page for your model year and trim.
- Dealer or service center: If in doubt, contact an Acura dealer to confirm the exact figure for your VIN.
Knowing the exact capacity helps with trip planning, range estimates, and fuel budgeting, especially if you drive a variant with different equipment or regional specifications.
Summary
Across the modern Acura MDX lineup, the standard fuel tank is 19.5 gallons (74 liters). While this size covers the vast majority of models, always confirm with your model-year documentation or a dealer to account for any year- or market-specific variations. With a typical MPG in the high-20s to low-30s depending on configuration and driving conditions, this tank size supports a substantial driving range between fill-ups.
