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2004 Acura RSX
Shown: 2004 Acura RSX. Photo: MercurySable99, CC BY-SA 4.0, via Wikimedia Commons
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  • MY2002–2006

Acura RSX MPG & Fuel Cost by Year

5 model years · 2002–2006

26 MPG
Combined
24 MPG
City
31 MPG
Highway
Annual cost · MY2006 RSX 2.0L 4-cyl FWD
$2,510

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

All Acura models

Acura RSX fuel economy at a glance

EPA has rated the Acura RSX for 5 model years, 2002 to 2006. Across those years its combined rating runs 23–26 MPG. The latest model year, 2006, has 3 configurations rated 23–26 MPG combined and costing $2,510–$3,490 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2002 is the 2006 RSX 2.0L 4-cyl FWD, at 26 MPG.

Acura RSX MPG by year

222426 20022006 Gas 222426 20022006 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Acura RSX: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2002-2006 Generation page
2006 23–26 $2,510–$3,490
2005 23–26 $2,510–$3,490
2004 24–26 $2,510–$3,350
2003 24–26 $2,510–$3,350
2002 24–26 $2,510–$3,350

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Acura RSX generations

1 generations between 2002 and 2006. Open one for the table of every model year and configuration.

2004 Acura RSX

2002-2006 Acura RSX

23–26 MPG · $2,510–$3,490/yr

2006 powertrain options

Gas · 2.0L
Combined
23–26 MPG
Per year
$2,510–$3,490
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Acura RSX's gas mileage by year?

EPA combined ratings for the Acura RSX run 23–26 MPG across model years 2002 to 2006. The latest year, 2006, is rated 23–26 MPG.

Which Acura RSX model year has the best gas mileage?

The 2006 Acura RSX RSX 2.0L 4-cyl FWD has the highest combined rating since 2002, at 26 MPG.

How much does a Acura RSX cost to fuel per year?

For MY2006, EPA-rated configurations cost $2,510–$3,490 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,510.

Has the Acura RSX's fuel economy improved over time?

Not much. The most efficient configuration is rated 26 MPG in both 2002 and 2006.

Which Acura RSX model years have the same ratings?

EPA lists identical ratings as the previous year for 2006. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.