Acura RSX
24.7 MPG The 2006 Acura RSX is EPA-rated at 24.7 MPG combined (22 city / 30 highway). Over 15,000 miles a year that is about 607 gallons, $1943 a year in fuel, or $0.130 per mile at $3.20/gal.
Across its full 2002–2006 run it averages 24.8 MPG, essentially flat across 5 model years.
Running cost at different fuel prices and mileages
The figure everyone actually wants, and the one the EPA does not publish — because it depends on a fuel price no agency will commit to.
| Fuel price | Per mile | 10,000 mi/yr | 15,000 mi/yr | 20,000 mi/yr |
|---|---|---|---|---|
| $2.50/gal | $0.101 | $1012 | $1518 | $2024 |
| $3.00/gal | $0.121 | $1215 | $1822 | $2429 |
| $3.20/gal | $0.130 | $1296 | $1943 | $2591 |
| $3.50/gal | $0.142 | $1417 | $2126 | $2834 |
| $4.00/gal | $0.162 | $1619 | $2429 | $3239 |
| $4.50/gal | $0.182 | $1822 | $2733 | $3644 |
| $5.00/gal | $0.202 | $2024 | $3036 | $4049 |
Every model year
| Year | Combined | City | Highway | EPA fuel cost/yr | CO₂ g/mi | Trims |
|---|---|---|---|---|---|---|
| 2006 | 24.7 MPG | 22 | 30 | $2750 | 361 | 3 |
| 2005 | 24.7 MPG | 22 | 30 | $2750 | 361 | 3 |
| 2004 | 25 MPG | 22.3 | 29.7 | $2700 | 356 | 3 |
| 2003 | 25 MPG | 22 | 29.3 | $2700 | 356 | 3 |
| 2002 | 24.7 MPG | 21.7 | 29.3 | $2733 | 361 | 3 |
Where a model year offered several engines or drivetrains, the figure is the average across all EPA-tested trims that year — the trim count is shown so you can see how much averaging is involved.
How it compares in its class
Among the 229 subcompact cars models tracked here, the Acura RSX ranks 85 on current figures, against a class average of 24.2 MPG.
Closest more-efficient alternatives in the same class: Audi A3 Cabriolet quattro (25), Audi A4 Cabriolet (25), Ford Escort ZX2 (25), Lexus RC 300 (25), Mercedes-Benz C300 4matic Convertible (25).
Tailpipe CO₂ is rated at 361 grams per mile, which works out to roughly 5.4 tonnes a year at 15,000 miles.
Questions
What MPG does the Acura RSX get?
The 2006 Acura RSX is rated at 24.7 MPG combined by the EPA — 22 city and 30 highway. Across all 5 model years in the database it averages 24.8 MPG, ranging from 23 to 26 depending on year and trim.
How much does a Acura RSX cost in fuel per year?
At 24.7 MPG and 15,000 miles a year, it burns about 607 gallons — roughly $1943 a year with fuel at $3.20 a gallon, or $0.130 per mile. The EPA's own published annual figure for the 2006 model is $2750.
Has the Acura RSX become more efficient over time?
Barely. It sits at 24.7 MPG today against 24.7 in 2002 — essentially flat across 5 model years, with efficiency gains offset by weight and power creep.
Is the Acura RSX efficient for its class?
It ranks 85 of 229 in the Subcompact Cars class on current figures, against a class average of 24.2 MPG. That is 0.5 better than typical for the class.
EPA test figures from fueleconomy.gov. Cost per mile and annual fuel spend are computed at a reference price of $3.20 per gallon — use your own price. Estimates based on official test figures and average fuel prices. Real-world consumption varies with driving style, load, terrain and maintenance.