2016 head-to-head · Midsize Car
2016 Acura RLX vs Infiniti Q50
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
FWD · 3.5L 6-cyl · 6-speed automatic · 23 MPG
The 2016 Infiniti Q50 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,576 for the 2016 Acura RLX (23 MPG). That's roughly $297 a year, or about $1,486 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 RLX
- Infiniti Q50
Side by side
| Acura RLX | Infiniti Q50 | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,279 |
| 23 MPG | Combined efficiency | 26 MPG |
| 20 MPG | City | 23 MPG |
| 30 MPG | Highway | 31 MPG |
| 102 cu ft | Passenger volume | 102 cu ft |
| 15 cu ft | Cargo volume | 13 cu ft |
| 380 g/mi | Tailpipe CO₂ (g/mi) | 344 g/mi |
| 5/10 | EPA fuel economy score | 6/10 |
| 5/10 | EPA greenhouse gas score | 6/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.5L 6-cyl | Engine / motor | 2.0L 4-cyl turbo |
| 6-speed automatic | Transmission | 7-speed automatic |
| FWD | Drivetrain | RWD |
✓ 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 RLX vs Infiniti Q50 across model years
- Acura RLX
- Infiniti Q50
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
Per EPA interior volume figures, the Acura RLX has more cargo space (15 vs. 13 cu ft).
Among 67 2016 midsize cars, the Acura RLX ranks 55th and the Infiniti Q50 50th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2016 Acura RLX or the 2016 Infiniti Q50?
Measured by cost to drive, the Infiniti Q50. The Acura RLX is rated 23 MPG combined and the Infiniti Q50 26 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2016 Acura RLX vs. the Infiniti Q50 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Acura RLX and $2,279 for the Infiniti Q50.
Which has more cargo space?
The Acura RLX, with 15 cu ft of luggage volume versus 13 cu ft (EPA interior volume index).
Acura RLX vs Infiniti Q50 in other years
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