2018 Acura RDX
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2018 Acura RDX is sold in the U.S. with gasoline power. The EPA lists 2 configurations for this model year, with combined economy from 22 to 23 MPG and an estimated annual fuel cost of $3,450 to $3,650 at 15,000 miles.
Key numbers
| Model year | 2018 |
|---|---|
| Vehicle class | Small Sport Utility Vehicle 2WD |
| Fuel type(s) | Gasoline |
| Combined economy | 22-23 MPG |
| Best / worst combined | 23 / 22 MPG |
| Annual fuel cost | $3,450-$3,650 |
| Tailpipe CO₂ | 386-402 g/mi |
| EPA smog rating | 3-3 / 10 |
| NHTSA overall | 5 / 5 stars |
What it costs to fuel
Across its configurations, the 2018 RDX costs about $3,450 to $3,650 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $3,550. Over five years that is about $17,750 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.
Relative to an average new vehicle, this RDX configuration spends about $5,750 more on fuel over five years.
For context, the average combined economy of small sport utility vehicle 2wd in this dataset is about 26 MPG. The RDX sits roughly 3 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.
Configurations and fuel economy
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| RDX FWD | 3.5L 6-cyl | Front-Wheel | Automatic | Gasoline | 23 MPG | $3,450 |
| RDX AWD | 3.5L 6-cyl | All-Wheel | Automatic | Gasoline | 22 MPG | $3,650 |
Emissions, safety and size
The 2018 RDX records tailpipe CO₂ of 386-402 g/mi, an EPA smog rating of 3-3 out of 10, a 5-star NHTSA overall crash rating. The EPA classifies it as small sport utility vehicle 2wd.
Compare this car
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.