2020 head-to-head · Midsize Car

2020 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.

Swap sides
✓ Cheaper to run
$2,576/ year to fuel
23 MPG

FWD · 3.5L 6-cyl · 10-speed automatic · 23 MPG

✓ Cheaper to run
$2,370/ year to fuel
25 MPG

AWD · 2.0L 4-cyl turbo · 8-speed automatic · 25 MPG

The 2020 Volvo S90 is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,370 a year to fuel (25 MPG), versus $2,576 for the 2020 Acura RLX (23 MPG). That's roughly $206 a year, or about $1,030 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 RLXVolvo S90
$2,576 Your annual fuel cost $2,370
23 MPG Combined efficiency 25 MPG
20 MPG City 21 MPG
29 MPG Highway 31 MPG
102 cu ft Passenger volume 102 cu ft
15 cu ft Cargo volume 14 cu ft
383 g/mi Tailpipe CO₂ (g/mi) 357 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
3.5L 6-cyl Engine / motor 2.0L 4-cyl turbo
10-speed automatic Transmission 8-speed automatic
FWD 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 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 64 2020 midsize cars, the Acura RLX ranks 56th and the Volvo S90 50th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2020 Acura RLX or the 2020 Volvo S90?

Measured by cost to drive, the Volvo S90. The Acura RLX is rated 23 MPG combined and the Volvo S90 25 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2020 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 $2,370 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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