FuelFacts

2020 Volvo S90 AWD PHEV MPG & Specs — Real-World vs EPA, All Trims

Every gas trim of this model takes premium.

30
MPG combined (28 city / 31 hwy)
$2,340
est. fuel / year (today's prices, 15k mi)
Premium
gas type

Is the 2020 Volvo S90 AWD PHEV good on gas?

At up to 30 MPG combined, the 2020 Volvo S90 AWD PHEV is better than average for a Midsize Cars — that class averages about 23.0 MPG across 5,710 EPA-tested versions, so it's a good pick on fuel for its size.

Real-world MPG vs the EPA number

The EPA figures above come from a standardized dynamometer test, not the open road — real-world MPG typically runs a bit lower depending on your driving, climate and terrain. That's true of every car on this site, old or new.

At today's AAA national average price — $4.68/gal for premium gas as of 2026-07-05 — the most efficient trim runs about $2,340/year (roughly $195/month, about $15.60 per 100 miles) at the EPA's assumed 15,000 miles/year, using an estimated 500 gallons a year. We don't estimate a cost-per-fill since exact tank size isn't in the public EPA dataset, but the per-100-mile figure scales to any tank. Current national average gas prices →

2020 Volvo S90 AWD PHEV trims & fuel economy

Trim (engine / transmission)FuelMPGFuel/yr (today's price)
2.0L 4-cyl, S8 automatic, AWDPREMIUM30$2,340
Where the EPA lists premium, that’s the fuel the maker specified for the mileage test — many such engines run on regular with slightly less power/MPG. Whether premium is required or just recommended is an owner’s-manual detail the EPA dataset omits, so we don’t guess it.

2020 Volvo S90 AWD PHEV specs

What the EPA test-car listings record for this model year — every combination sold is a row in the trims table above.

Engine options2.0L 4-cyl turbo
TransmissionS8 automatic
Drive typeAWD
EPA body classMidsize Cars
FuelPremium
Tailpipe CO₂163 g/mi

Other years of the Volvo S90 AWD PHEV

2021 Volvo S90 AWD PHEV2019 Volvo S90 AWD PHEV2018 Volvo S90 AWD PHEV

Similar cars (Midsize Cars)

2020 Tesla Model 3 Standard Range Plus2020 Tesla Model 3 Standard Range2020 Tesla Model 3 Long Range2020 Tesla Model 3 Mid Range2020 Tesla Model 3 Long Range Performance AWD (18in)2020 Tesla Model 3 Long Range Performance AWD (19in)

Cars that take premium · Cheapest cars to fuel · Where fuel grade depends on the trim · Fuel guides

1 trim(s) · EPA FuelEconomy.gov data retrieved 2026-07-24 · fuel prices AAA national average as of 2026-07-05.