Ultimate is the only Volvo S90 Recharge trim, and its specs include a T8 eAWD PHEV powertrain comprising a 2.0-liter four-cylinder motor paired to an electric motor for total outputs of 455 hp and 523 lb-ft. The battery is an 18.8-kWh unit. The only drivetrain configuration used in the sole trim level is an eight-speed automatic transmission with Volvo's eAWD all-wheel-drive system. Standard features and specifications include 20-inch alloy wheels, all-LED exterior lighting, a power panoramic sunroof, a hands-free power trunk lid, Nappa leather upholstery, power ventilated front seats, heated front and rear seats, an Orrefors crystal gear knob, and power-folding rear seat backrests.
The Android-based Android Automotive infotainment system includes Google Assistant, wireless Apple CarPlay and Android Auto, SiriusXM, and a 14-speaker Harman Kardon audio system. Safety is ensured by adaptive cruise control, blind-spot monitoring with cross-traffic alert and steering assist, lane-keep assist, a head-up display, auto-dimming rearview mirrors, rain-sensing wipers, and traffic-sign recognition. Options are few and include upgraded sound systems and different wheel styles or upholstery colors. The luxury rear-seat Lounge package available is the only package offered.