The luxury brand steps up its hybrid game with a completely new system paired to a new a high-torque 2.4L turbo engine - all good for improved performance and quicker acceleration than the outgoing RX 450h.

Plano, TX — The big-selling Lexus RX is better known for refined luxury than outright performance. That’s set to change in the new, 2023 generation with the advent of the first RX 500h F Sport Performance version of the mid-size hybrid crossover. It goes on sale at the end of this year.

The RX 500h F Sport Performance introduces a new hybrid system to the Lexus brand. Up front, the powertrain mates a turbocharged, 2.4-litre inline-4 gas engine to a 6-speed automatic transmission (not a CVT), inverter and electric motor. Meanwhile an electric axle (e-axle) at the rear integrates a powerful electric motor, inverter and reduction gearbox.

Lexus says that this configuration enables the electric motors to provide low-end torque for improved performance and quick acceleration, while acceleration at higher speeds is delivered by the turbo motor, which produces high torque throughout its rev range.

Maximum combined power is raised to a heady 367 hp (a current RX 450h makes 308 hp) and peak torque is 406 lb-ft (up considerably from the 450h’s 247 lb-ft). That should be good enough to accelerate from zero to 100km/h (62mph) in 6.1 seconds.

The RX 500h will also be the only RX to feature the new Direct4 AWD drivetrain (other powertrains are available with a different AWD setup). First revealed in late-2020, Direct4 reaches production on the new RX and will also feature on the upcoming Lexus RZ 450e EV.

Direct4 – short for Direct4 Wheel Drive Force Control – offers additional flexibility in how it distributes power to the front and rear axles. That could mean majoring on efficiency by making the RX FWD-only when traction at the rear is not required or intervening to send up to 80% of the torque to the rear end, for improved traction or more engaging driving dynamics. The use of a direct driveshaft connection between motor and wheel improves system response, Lexus says. At the same time, it claims that the brand’s signature comfort and refinement remain intact.

The RX 500h F Sport Performance models also get performance-focused six-piston brake calipers, a mesh grille, a different front bumper and 21in aluminum wheels. Inside, cosmetic changes include lots of leather and aluminum trim, a perforated leather-trimmed steering wheel with paddle shifters, suede-trimmed interior door panels and F Sport scuff plates.

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