- Newest year: 2018
- Gas
- Small SUVs
2013-2018 Acura RDX MPG & Fuel Cost
6 model years · 22–23 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 1 of 10 small SUV configurations, MY2018. Ranked against all rated configurations, not sales-weighted.
2013-2018 Acura RDX at a glance
The 2013-2018 Acura RDX covers 6 model years in the EPA database (12 configurations in all), rated 22–23 MPG combined. The newest model year, 2018, costs about $3,520 a year to fuel for its most efficient version, the RDX 3.5L 6-cyl FWD (23 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2014, 2015, 2016 and 2018; 2017 repeat the values of the year before.
2013-2018 Acura RDX by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2018 | Gas | 22–23 MPG | $3,520–$3,670 | Ratings changed |
| 2017 | Gas | 22–23 MPG | $3,520–$3,670 | Same EPA ratings as 2016 |
| 2016 | Gas | 22–23 MPG | $3,520–$3,670 | Ratings changed |
| 2015 | Gas | 22–23 MPG | $3,510–$3,630 | Ratings changed |
| 2014 | Gas | 22–23 MPG | $3,520–$3,630 | Ratings changed |
| 2013 | Gas | 22–23 MPG | $3,510–$3,630 | First year |
What the 2018 RDX 3.5L 6-cyl FWD costs to drive
Per month
$293
$3,520 a year ÷ 12
Per 25 miles
$5.87
Per 100 miles
$23.47
Five years
$17,600
5 × the yearly cost, prices held at today's level
vs the small SUV median
$560more a year
Class median $2,960 a year, MY2018
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2018 Acura RDX MPG
Versus 2017: The most efficient configuration stays at 23 MPG. Its annual cost stays at $3,520.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| RDX 3.5L 6-cyl FWD (Most efficient) | 3.5L 6-cyl | FWD | 20 | 28 | 23 | $3,520 |
| RDX 3.5L 6-cyl AWD | 3.5L 6-cyl | AWD | 19 | 27 | 22 | $3,670 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2017 Acura RDX MPG
Same EPA ratings as 2016
EPA lists the same ratings for the 2017 Acura RDX as for the 2016 model, so the configurations and costs are the ones in the 2016 section above.See 2016
2016 Acura RDX MPG
22–23 MPG · $3,520–$3,670/yr
Versus 2015: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,510 to $3,520, $10 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| RDX 3.5L 6-cyl FWD (Most efficient) | 3.5L 6-cyl | FWD | 20 | 28 | 23 | $3,520 |
| RDX 3.5L 6-cyl AWD | 3.5L 6-cyl | AWD | 19 | 27 | 22 | $3,670 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2015 Acura RDX MPG
22–23 MPG · $3,510–$3,630/yr
Versus 2014: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,520 to $3,510, $10 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| RDX 3.5L 6-cyl FWD (Most efficient) | 3.5L 6-cyl | FWD | 20 | 28 | 23 | $3,510 |
| RDX 3.5L 6-cyl AWD | 3.5L 6-cyl | AWD | 19 | 27 | 22 | $3,630 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2014 Acura RDX MPG
22–23 MPG · $3,520–$3,630/yr
Versus 2013: The most efficient configuration stays at 23 MPG. Its annual cost goes from $3,510 to $3,520, $10 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| RDX 3.5L 6-cyl FWD (Most efficient) | 3.5L 6-cyl | FWD | 20 | 28 | 23 | $3,520 |
| RDX 3.5L 6-cyl AWD | 3.5L 6-cyl | AWD | 19 | 27 | 22 | $3,630 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2013 Acura RDX MPG
22–23 MPG · $3,510–$3,630/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| RDX 3.5L 6-cyl FWD (Most efficient) | 3.5L 6-cyl | FWD | 20 | 28 | 23 | $3,510 |
| RDX 3.5L 6-cyl AWD | 3.5L 6-cyl | AWD | 19 | 27 | 22 | $3,630 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the RDX 3.5L 6-cyl FWD: $4,190 in California and $3,050 in Texas, a $1,140 difference.
- California $4,190
- Washington $3,940
- New York $3,470
- Florida $3,210
- Texas $3,050
Similar cars
Closest combined MPG among MY2018 small SUV models.
Generations
- 2007-2012 (TB1)
- 2013-2018 (2nd gen)
- 2019-2026 (3rd gen)
Frequently asked questions
What gas mileage does the 2013-2018 Acura RDX get?
EPA rates the 2013-2018 Acura RDX at 22–23 MPG combined across 12 configurations and 6 model years. The most efficient version, the 2018 RDX 3.5L 6-cyl FWD, is rated 23 MPG (20 city, 28 highway).
Which years had the best MPG in the 2013-2018 Acura RDX?
Every model year of the 2013-2018 Acura RDX tops out at 23 MPG combined, so no year is better than another.
Did EPA ratings change during the 2013-2018 Acura RDX?
Yes. Ratings changed in 2014, 2015, 2016 and 2018. In 2017 the values repeat the year before.
How does the 2013-2018 Acura RDX compare with the previous generation?
The previous generation (2007-2012 Acura RDX) is rated 19–21 MPG combined and costs $3,830–$4,230 a year to fuel; the 2013-2018 model is rated 22–23 MPG and costs $3,510–$3,670 a year.
How much does it cost to fuel a 2018 Acura RDX per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the RDX 3.5L 6-cyl FWD costs about $3,520 a year. Across all 2 configurations the cost runs $3,520–$3,670 a year. That is a $150 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2018 Acura RDX 100 miles?
About $23.47 per 100 miles for the RDX 3.5L 6-cyl FWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $23.47 and $24.47 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2018 Acura RDX more efficient in the city or on the highway?
The RDX 3.5L 6-cyl FWD is rated 20 city and 28 highway MPG, so it is more efficient on the highway, by 8 MPG.
How does the 2018 Acura RDX compare with other small SUV configurations?
The RDX 3.5L 6-cyl FWD costs about $3,520 a year to fuel, $560 more than the class median of $2,960, and less than 1 of 10 small SUV configurations. The comparison covers all 223 rated small SUV configurations for MY2018, not weighted by sales.
Is the 2018 Acura RDX different from the 2017 model?
The most efficient configuration stays at 23 MPG. Its annual cost stays at $3,520. EPA lists 2 configurations for 2018 against 2 configurations for 2017. See the 2017 Acura RDX for that year.