The Lexus RZ 550e F Sport 77 kWh (408 Hp) DIRECT4 is Lexus’s first fully electric dedicated battery electric vehicle (BEV) SUV, launched for the 2025 model year. Representing a significant step for the brand, the RZ leverages a new platform and technology to compete in the growing luxury electric SUV segment. The “RZ” designation signifies its position as a crossover within the Lexus lineup, while the “550e” denotes its electric powertrain and the “F Sport” trim level indicates a focus on enhanced driving dynamics and styling. The DIRECT4 all-wheel drive system is a key feature, managing power distribution between the front and rear motors. This variant, equipped with the 77 kWh battery pack, is positioned as a premium offering within the RZ range.
Technical Specifications
| Brand | Lexus |
| Model | RZ |
| Generation | RZ |
| Type (Engine) | 550e F Sport 77 kWh (408 Hp) DIRECT4 |
| Start of production | 2025 |
| Powertrain Architecture | BEV (Electric Vehicle) |
| Body type | SUV |
| Seats | 5 |
| Doors | 5 |
| Fuel Type | Electricity |
| Acceleration 0 – 100 km/h | 4.4 sec |
| Acceleration 0 – 62 mph | 4.4 sec |
| Acceleration 0 – 60 mph | 4.2 sec |
| Weight-to-power ratio | 5.2 kg/Hp, 191.1 Hp/tonne |
| Gross battery capacity | 77 kWh |
| Battery technology | Lithium-ion (Li-Ion) |
| Battery location | Below the floor |
| All-electric range (WLTP) | 450 km (279.62 mi) |
| Average Energy consumption (WLTP) | 18.4 kWh/100 km (29.61 kWh/100 mi, 114 MPGe, 5.4 km/kWh, 3.4 mi/kWh) |
| Electric motor power (Front) | 227 Hp |
| Electric motor Torque (Front) | 269 Nm (198.4 lb.-ft.) |
| Electric motor location (Front) | Front axle, Transverse |
| Electric motor power (Rear) | 227 Hp |
| Electric motor Torque (Rear) | 269 Nm (198.4 lb.-ft.) |
| Electric motor location (Rear) | Rear axle, Transverse |
| System power | 408 Hp |
| Kerb Weight | 2135-2180 kg (4706.87 – 4806.08 lbs.) |
| Permitted trailer load with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Length | 4805 mm (189.17 in.) |
| Width | 1895 mm (74.61 in.) |
| Width including mirrors | 2157 mm (84.92 in.) |
| Height | 1635 mm (64.37 in.) |
| Wheelbase | 2850 mm (112.2 in.) |
| Front overhang | 975 mm (38.39 in.) |
| Rear overhang | 980 mm (38.58 in.) |
| Drivetrain Architecture | One electric motor drives the front wheels, one electric motor drives the rear wheels. |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 1 gears, automatic transmission |
| Front suspension | Independent, type McPherson with coil spring and anti-roll bar |
| Rear suspension | Independent multi-link spring suspension with stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Ventilated discs |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Electric Steering |
| Wheel rims size | 20 |
Powertrain & Engine Architecture
The Lexus RZ 550e F Sport DIRECT4 utilizes a dual-motor, all-electric powertrain. Each axle is driven by a dedicated electric motor, producing a combined system output of 408 horsepower. The 77 kWh lithium-ion battery pack is mounted under the floor, contributing to a low center of gravity and optimized weight distribution. The DIRECT4 system is a crucial element, continuously modulating torque distribution between the front and rear motors based on driving conditions. This system allows for precise control and enhanced stability. The motors themselves are permanent magnet synchronous motors, known for their efficiency and power density. The RZ does not employ a traditional multi-speed transmission; instead, it utilizes a single-speed reduction gear for each axle. The battery supports fast charging capabilities, allowing for a significant charge increase in a relatively short period when connected to a DC fast charger.
Driving Characteristics
The RZ 550e F Sport delivers brisk acceleration, achieving 0-60 mph in approximately 4.2 seconds. The DIRECT4 system provides confident traction and stability, particularly in adverse weather conditions. The low center of gravity contributes to a composed and balanced handling experience. Compared to potential future variants with different battery capacities or motor configurations, the 77 kWh version offers a balance between range and performance. The single-speed transmission provides seamless acceleration, although it lacks the distinct gear changes found in traditional automatic transmissions. The F Sport trim includes specific tuning of the suspension and steering for a more engaging driving experience.
Equipment & Trim Levels
The F Sport trim of the RZ 550e is well-equipped with standard features including premium interior materials, a large touchscreen infotainment system, and a comprehensive suite of advanced driver-assistance systems (ADAS). Standard interior features typically include heated and ventilated front seats, a premium audio system, and a panoramic sunroof. Available options may include a head-up display, digital rearview mirror, and advanced parking assist features. The exterior styling of the F Sport trim is distinguished by unique front and rear fascias, dark accents, and exclusive wheel designs.
Chassis & Braking
The RZ utilizes a McPherson strut front suspension and a multi-link rear suspension, optimized for both comfort and handling. Stabilizer bars are included at both ends to reduce body roll during cornering. The braking system features ventilated disc brakes on all four wheels, providing ample stopping power. The ABS (Anti-lock Braking System) is standard, along with other electronic stability control systems. The steering system is an electric power-assisted rack-and-pinion setup, offering precise and responsive steering feel.
Market Reception & Comparison
The Lexus RZ 550e F Sport enters a competitive segment of luxury electric SUVs, facing rivals such as the Tesla Model Y, BMW iX, and Cadillac Lyriq. Initial reviews have praised the RZ’s comfortable ride, refined interior, and advanced technology. However, some critics have noted that its range is slightly less than some competitors. The DIRECT4 system has been lauded for its responsiveness and stability. Fuel economy, expressed as MPGe, is competitive within the electric SUV class. Reliability is expected to be a strong point, consistent with Lexus’s reputation for quality and durability.
Legacy
As Lexus’s first dedicated electric vehicle, the RZ 550e F Sport represents a pivotal moment for the brand. Its long-term reliability will be closely monitored by both consumers and industry analysts. The DIRECT4 all-wheel drive system and the overall electric powertrain architecture are expected to influence future Lexus electric models. The RZ’s success in the used car market will depend on factors such as battery health, charging infrastructure availability, and overall consumer demand for electric vehicles. The RZ is poised to become a significant player in the evolving landscape of luxury electric SUVs, establishing Lexus as a serious contender in the electric vehicle market.
