2018 head-to-head · Midsize Car
2018 Acura RLX vs Volvo S90
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 · 10-speed automatic · 23 MPG
The 2018 Volvo S90 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,194 a year to fuel (27 MPG), versus $2,576 for the 2018 Acura RLX (23 MPG). That's roughly $382 a year, or about $1,908 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
- Volvo S90
Side by side
| Acura RLX | Volvo S90 | |
|---|---|---|
| $2,576 | Your annual fuel cost | $2,194 |
| 23 MPG | Combined efficiency | 27 MPG |
| 20 MPG | City | 24 MPG |
| 29 MPG | Highway | 34 MPG |
| 102 cu ft | Passenger volume | 102 cu ft |
| 15 cu ft | Cargo volume | 14 cu ft |
| 383 g/mi | Tailpipe CO₂ (g/mi) | 322 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 |
| 10-speed automatic | Transmission | 8-speed automatic |
| FWD | Drivetrain | FWD |
✓ 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 Volvo S90 across model years
- Acura RLX
- Volvo S90
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. 14 cu ft).
Among 74 2018 midsize cars, the Acura RLX ranks 63rd and the Volvo S90 53rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2018 Acura RLX or the 2018 Volvo S90?
Measured by cost to drive, the Volvo S90. The Acura RLX is rated 23 MPG combined and the Volvo S90 27 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2018 Acura RLX vs. the Volvo S90 per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,576 for the Acura RLX and $2,194 for the Volvo S90.
Which has more cargo space?
The Acura RLX, with 15 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).
Acura RLX vs Volvo S90 in other years
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