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2018 Volvo S90 AWD PHEV — 2.0L 4-cyl, S8 automatic, AWD
This 2018 Volvo S90 AWD PHEV (2.0L 4-cyl, S8 automatic, AWD) takes premium gasoline. PREMIUM
29
MPG combined (26 city / 33 hwy)
$2,650
est. fuel cost / year (EPA, 15k mi)
161 g/mi
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.
EPA fuel type: Premium and Electricity · class: Midsize Cars · retrieved 2026-06-14.