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Acura ILX Fuel Economy (MPG)

What is the real-world gas mileage of a 2022 Acura ILX?

The 2022 Acura ILX gets up to 29 MPG combined (25 city / 35 highway) in EPA testing.

Latest model year (2022):

The Acura ILX gets up to 28 MPG combined (24 city / 34 highway) in the Auto (AM-S8), 4 cyl, 2.4 L trim.

Verifiedfueleconomy.gov · Verified August 9, 2026
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Acura ILX MPG — All Years

YearTrimEngineFuelCity (MPG)Hwy (MPG)Combined (MPG)
2022Auto (AM-S8), 4 cyl, 2.4 L4 2.4LPremium Gasoline243428
2021Auto (AM-S8), 4 cyl, 2.4 L4 2.4LPremium Gasoline243428
2020Auto (AM-S8), 4 cyl, 2.4 L4 2.4LPremium Gasoline243428
2019Auto (AM-S8), 4 cyl, 2.4 L4 2.4LPremium Gasoline243428
2018Auto (AM-S8), 4 cyl, 2.4 L4 2.4LPremium Gasoline253529
2017Auto (AM-S8), 4 cyl, 2.4 L4 2.4LPremium Gasoline253529
2016Auto (AM8), 4 cyl, 2.4 L4 2.4LPremium Gasoline253529
2015Config 1 of 2Auto (S5), 4 cyl, 2.0 L4 2.0LPremium Gasoline243428
2015Config 2 of 2Man 6-spd, 4 cyl, 2.4 L4 2.4LPremium Gasoline223125

Data sourced from fueleconomy.gov (U.S. Department of Energy). MPG figures are EPA-tested. Fuel costs are estimates based on average fuel prices and 15,000 miles/year.

Acura ILX data analysis

How Acura ILX combined fuel economy varies

Across 9 configurations recorded for the 2015 through 2022 Acura ILX, combined fuel economy runs from 25 MPG to 29 MPG. The strongest figure belongs to the 2016 Acura ILX (Auto (AM8), 4 cyl, 2.4 L) at 29 MPG, and the weakest to the 2015 car (Man 6-spd, 4 cyl, 2.4 L) at 25 MPG — a spread of 16%. The narrow spread means any year of the Acura ILX in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2022

Average combined fuel economy for the 2022 Acura ILX is 28 MPG, against 28 MPG for the 2021 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.

How to read this Acura ILX data

This page lists every 2015 through 2022 Acura ILX record we hold for this measurement — 9 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Configurations behind these Acura ILX numbers

The 2015 through 2022 Acura ILX entries here cover the variants Auto (AM-S8), 4 cyl, 2.4 L, Auto (AM8), 4 cyl, 2.4 L, Auto (S5), 4 cyl, 2.0 L and Man 6-spd, 4 cyl, 2.4 L. 2015 is the busiest model year in the record with 2 separate measured configurations, which is why a single quoted combined fuel economy figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.

Where these Acura ILX figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Acura ILX record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Official Factory Specs vs. AutoSpecData Expert Benchmarks

The EPA highway loop never holds interstate speed. Here is what the same engine does when you sit on the cruise control.

Cruise speedEPA highway specAutoSpecData adjusted MPGFuel you lose
60 mph35 MPG35 MPG0%
65 mph35 MPG32.6 MPG7%
70 mph35 MPG30.4 MPG13%
75 mph35 MPG28.3 MPG19%
80 mph35 MPG26.4 MPG25%

Our Real-World Speed MPG Adjuster re-scales the Acura ILX EPA highway result with a quadratic drag term (mpg = hwy ÷ (1 + k·(v² − 60²)/60²), k = 0.55 for trucks, SUVs and vans, 0.42 for cars). Wind, roof racks, and a heavy right foot make it worse, never better.

Frequently Asked Questions About ILX MPG

What is the MPG of the Acura ILX?

The Acura ILX gets up to 29 MPG combined (25 city / 35 highway) in the 2022 model year. Fuel economy varies by engine and trim — see the full table above for details.

Which Acura ILX trim has the best fuel economy?

The Auto (AM-S8), 4 cyl, 2.4 L trim offers the best combined fuel economy at 29 MPG. Smaller engines and front-wheel-drive configurations typically achieve the highest MPG.

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