2021 Volvo S90 AWD PHEV
Fuel Economy Overview
The 2021 Volvo S90 AWD PHEV achieves an EPA-estimated 30 MPG in combined city and highway driving, with 28 MPG in the city and 31 MPG on the highway. Powered by a 2L 4-cylinder turbocharged engine paired with a automatic (s8), this midsize cars features All-Wheel Drive drive.
In terms of environmental impact, the 2021 S90 AWD PHEV produces approximately 163 grams of CO2 per mile. This figure is measured under standardized EPA test conditions and represents tailpipe emissions only. For context, the average new vehicle sold in the United States produces approximately 400 grams of CO2 per mile, meaning this S90 AWD PHEV performs better than the national average in this regard.
The estimated annual fuel cost for this vehicle is $2,300, based on 15,000 miles of driving per year and current national average fuel prices. Compared to the average new vehicle, you would spend $1,750 over a 5-year period. This calculation accounts for differences in fuel consumption efficiency and provides a practical measure of long-term ownership costs attributable to fuel economy.
Energy DNA
Green Scorecard
Personalized Commute CalculatorEPA defaults to 55% City / 45% Hwy
Adjust the slider to match your daily driving habits. City driving involves stop-and-go traffic under 45mph, while highway driving represents sustained speeds over 55mph.
Aerodynamic Speed Penalty
EPA highway tests average roughly 48 mph. Driving at 75 mph increases aerodynamic drag exponentially. Expect your real-world highway fuel economy to drop by roughly 15-20% at interstate speeds.
⚡ EV Climate Range Simulator
Extreme temperatures severely impact lithium-ion battery chemistry and require heavy HVAC usage. See how your range degrades in freezing winters or scorching summers.
EV / PHEV Intel
Range Anxiety Index: High Anxiety
Urban micro-mobility only. Do not attempt long distance travel.
5-Year Total Cost of Ownership
Recall Intelligence
Volvo Car USA, LLC (Volvo Car) is recalling certain 2020-2021 S90, 2020-2022 S60, V60, XC60, XC90, and 2022 V90 plug-in hybrid vehicles. The high-voltage battery may experience a short circuit within the battery module when the battery is fully charged and the vehicle is parked.
Consequence & Remedy
Consequence: A short circuit in a high-voltage battery increases the risk of a fire.
Remedy: Owners are advised not to charge their vehicles until the remedy has been completed. Dealers will inspect and replace the high-voltage battery module as necessary. In addition, dealers will update the software to monitor the battery. All repairs will be performed free of charge. Owner notification letters were mailed May 28, 2025. Owners may contact Volvo Car's customer service at 1-800-458-1552. Volvo Car's number for this recall is R10312.
Volvo Car USA, LLC (Volvo Car) is recalling certain 2021 S90L, 2020-2021 XC60, and XC90 vehicles. An improperly welded rotor and shaft may separate within the integrated brake system.
Consequence & Remedy
Consequence: Separation of the rotor and shaft may cause a reduction in braking assistance and a loss of the Antilock Brake System (ABS) and Electronic Stability Control (ESC), increasing the risk of a crash.
Remedy: Dealers will replace the hydraulic unit, free of charge. Owner notification letters were mailed October 22, 2021. Owners may contact Volvo Car customer service at 1-888-458-1552. Volvo Car's number for this recall is R10120.
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Looking for comprehensive historical data?
NHTSA FARS (Fatal Crash History) and broader generational safety trends are aggregated at the model level rather than by specific engine configurations. View the complete historical data profile for all Volvo S90 AWD PHEV configurations.
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Fuel Cost Analysis
Based on 15,000 miles/year and current fuel prices.
Efficiency Breakdown
Estimated Lifetime Carbon Footprint
(Based on 200,000 miles driven)