2026 head-to-head · Small SUV
2026 Acura RDX vs Alfa Romeo Stelvio
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
AWD · 2.0L 4-cyl turbo · 8-speed automatic · 24 MPG
The 2026 Alfa Romeo Stelvio is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel (24 MPG), versus $2,576 for the 2026 Acura RDX (23 MPG). That's roughly $107 a year, or about $537 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Acura RDX
- Alfa Romeo Stelvio
Side by side
| Acura RDX | Alfa Romeo Stelvio | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,469 |
| 23 MPG | Combined efficiency | 24 MPG |
| 21 MPG | City | 22 MPG |
| 27 MPG | Highway | 28 MPG |
| 385 g/mi | Tailpipe CO₂ (g/mi) | 364 g/mi |
| 5/10 | EPA fuel economy score | 5/10 |
| 5/10 | EPA greenhouse gas score | 5/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 2.0L 4-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 10-speed automatic | Transmission | 8-speed automatic |
| AWD | Drivetrain | AWD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Acura RDX vs Alfa Romeo Stelvio across model years
- Acura RDX
- Alfa Romeo Stelvio
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 114 2026 small SUVs, the Acura RDX ranks 106th and the Alfa Romeo Stelvio 104th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2026 Acura RDX or the 2026 Alfa Romeo Stelvio?
Measured by cost to drive, the Alfa Romeo Stelvio. The Acura RDX is rated 23 MPG combined and the Alfa Romeo Stelvio 24 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 Acura RDX vs. the Alfa Romeo Stelvio per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Acura RDX and $2,469 for the Alfa Romeo Stelvio.
Acura RDX vs Alfa Romeo Stelvio in other years
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