2023 Lexus RZ 450e 71.4 kWh (313 Hp) DIRECT4

The Lexus RZ 450e, launched in 2023, represents Lexus’s first dedicated battery electric vehicle (BEV) and a significant step in the brand’s commitment to electrification. Built upon a new platform designed specifically for electric vehicles, the RZ 450e aims to deliver a luxury EV experience combining Lexus’s renowned refinement with cutting-edge electric technology. This particular variant features a 71.4 kWh battery pack and the DIRECT4 all-wheel-drive system, producing a combined output of 313 horsepower. It slots into the growing premium electric SUV segment, competing with models like the Tesla Model Y, BMW iX, and Cadillac Lyriq.

Technical Specifications

Brand Lexus
Model RZ
Generation RZ
Type (Engine) 450e 71.4 kWh (313 Hp) DIRECT4
Start of production 2023
Powertrain Architecture BEV (Electric Vehicle)
Body type SUV
Seats 5
Doors 5
Fuel Type Electricity
Acceleration 0 – 100 km/h 5.6 sec
Acceleration 0 – 62 mph 5.6 sec
Acceleration 0 – 60 mph 5.3 sec
Maximum speed 160 km/h (99.42 mph)
Gross battery capacity 71.4 kWh
Battery voltage 355 V
Battery technology Lithium-ion (Li-Ion)
Battery location Below the floor
All-electric range (WLTP) 400 km (248.55 mi)
Average Energy consumption (WLTP) 18 kWh/100 km (28.97 kWh/100 mi)
MPGe 116
km/kWh 5.6
mi/kWh 3.5
Electric motor power (Front) 204 Hp
Electric motor location (Front) Front axle, Transverse
Electric motor power (Rear) 109 Hp
Electric motor location (Rear) Rear axle, Transverse
System power 313 Hp
System torque 435 Nm (320.84 lb.-ft.)
Length 4805 mm (189.17 in.)
Width 1895 mm (74.61 in.)
Height 1635 mm (64.37 in.)
Wheelbase 2850 mm (112.2 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 1
Type of gearbox Automatic transmission
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering

Powertrain & Engine Architecture

The Lexus RZ 450e utilizes a dedicated electric vehicle platform, the e-TNGA (Toyota New Global Architecture) developed in collaboration with Subaru. The powertrain consists of two electric motors – one driving the front axle and one driving the rear – creating a DIRECT4 all-wheel-drive system. This system intelligently distributes power between the front and rear axles, optimizing traction and efficiency. The front motor produces 204 horsepower, while the rear motor contributes 109 horsepower, resulting in a combined system output of 313 horsepower and 435 Nm (320.84 lb.-ft.) of torque. The 71.4 kWh lithium-ion battery pack is located under the floor, contributing to a low center of gravity and improved handling. The battery utilizes a high-voltage 355V architecture. The RZ 450e doesn’t have a traditional multi-speed transmission; instead, it employs a single-speed reduction gear for each axle, typical of most BEVs. The charging system supports both AC and DC fast charging, allowing for convenient charging at home or on the go.

Driving Characteristics

The RZ 450e delivers brisk acceleration, achieving 0-60 mph in approximately 5.3 seconds. The DIRECT4 system provides excellent traction and stability, particularly in adverse weather conditions. The instant torque characteristic of electric motors provides responsive acceleration, making for a smooth and effortless driving experience. Compared to potential future higher-performance variants, this 313 hp version strikes a balance between performance and efficiency. The single-speed transmission offers seamless acceleration, but lacks the gear ratios found in traditional automatic transmissions, which can sometimes be preferable for maximizing efficiency at highway speeds. The low center of gravity, thanks to the underfloor battery pack, contributes to confident cornering and reduced body roll.

Equipment & Trim Levels

The RZ 450e is positioned as a premium electric SUV, and its standard equipment reflects this. Features typically include Lexus Safety System+ 3.0, a suite of advanced driver-assistance systems including pre-collision system, lane departure alert, and adaptive cruise control. Interior amenities include a 14-inch touchscreen display, wireless Apple CarPlay and Android Auto integration, and a premium audio system. Upholstery options generally include NuLuxe simulated leather, with available upgrades to genuine leather. Optional extras can include a panoramic sunroof, heated and ventilated front seats, and a digital rearview mirror. Trim levels are generally structured to offer increasing levels of luxury and technology, with higher trims adding features like enhanced audio systems, more sophisticated interior finishes, and advanced driver-assistance features.

Chassis & Braking

The RZ 450e utilizes a MacPherson strut suspension in the front and a multi-link suspension in the rear, tuned for a balance of comfort and handling. The suspension geometry is optimized to manage the added weight of the battery pack. The braking system features ventilated disc brakes on all four wheels, providing ample stopping power. Regenerative braking is integrated into the system, allowing the vehicle to recapture energy during deceleration and extend its range. The RZ 450e incorporates an electric power steering system, offering precise and responsive steering feel. Stabilizer bars are fitted to both the front and rear axles to minimize body roll during cornering.

Market Reception & Comparison

Initial reviews of the Lexus RZ 450e have been generally positive, praising its refined driving experience, luxurious interior, and advanced technology. Critics have noted the relatively limited range compared to some competitors, such as the Tesla Model Y. However, the RZ 450e’s focus on Lexus’s traditional strengths – build quality, comfort, and reliability – sets it apart in the crowded EV market. Compared to other trims (should Lexus offer them in the future), this 313 hp version represents a sweet spot in the lineup, offering a compelling balance of performance and efficiency. Fuel economy, expressed as MPGe, is rated at 116, and energy consumption is estimated at 18 kWh per 100 kilometers.

Legacy

As Lexus’s first dedicated EV, the RZ 450e is a pivotal model for the brand. Its long-term reliability will be closely watched, as Lexus has a strong reputation for dependability. The DIRECT4 system and the e-TNGA platform are expected to underpin future Lexus electric vehicles, establishing a foundation for the brand’s electric future. The RZ 450e’s success in the used car market will depend on factors such as battery health, charging infrastructure availability, and overall consumer acceptance of electric vehicles. Early indications suggest strong demand for the RZ 450e, positioning it as a significant player in the growing electric SUV segment.

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