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Test – Lexus RZ, innovation in the steering wheel

Lexus launches its new 100% electric SUV, the first on a platform dedicated to this engine, the RZ 450e. Above all, the opportunity to test its innovative butterfly steering wheel, which combines an original format with “by-wire” steering, without a mechanical connection to the wheels.

Lexus is launching its new 100% electric SUV this year, the RZ. A vehicle that symbolizes the current change to electric. This RZ is based on a platform dedicated to this engine. The e-TNGA platform also used by its parent company Toyota bZ4x, launched last year.

A modernized Lexus design

Note that Lexus already had a first 100% electric model, the UX 300e SUV, but it shares a platform with hybrid engines, that is, a base that in principle is not optimized for “zero emissions”.

The new 100% electric SUV from Lexus, the RZ.
The new 100% electric SUV from Lexus, the RZ. © J.B.

Thus we discover this RZ, a large SUV 4.80 meters long, which embodies this new wind with a design that takes up the Lexus codes while modernizing them. The lines are even sharper. An atypical and decidedly progressive pencil stroke.

A decidedly advanced profile for this Lexus RZ.
A decidedly advanced profile for this Lexus RZ. © J.B.

We will quickly go to the electrical part, but in summary Lexus announces a little more than 400 km of autonomy for this 450 version with a 71.4 kWh battery. There are two motors, one at the front at 150 kW, one at the rear at 80 kW for a combined output of 313 horsepower.

Our tester in the 450 build with one motor in the front and one in the rear.
Our tester in the 450 build with one motor in the front and one in the rear. © J.B.

Discovery preview of a very original flyer

But beyond the electric, this model is above all very original inside. We find the already traditional duo of screens, for the counters and the touch screen, at the center of the infotainment. But it’s a fairly classic element that offers a profound change: the butterfly wheel.

The Lexus butterfly steering wheel will be offered as an option from 2025.
The Lexus butterfly steering wheel will be offered as an option from 2025. © JB

A split steering wheel, like Tesla’s Yoke, introduced on the Model S and Model X Plaid.

Except that behind this form, there is an address “by wire”, or electronic address. Simply put, there is no longer a mechanical linkage, with a steering column acting on the wheels. Here everything goes through cables and sensors. With redundancy to avoid any loss of communication between the steering wheel and the wheels: Lexus thus evokes an extra weight of 10 kg compared to a conventional steering.

Our test model was actually a prototype, as this option remains in the final stages of development. But already reliable enough to test it safely.

And the result is quite surprising, with a nice improvement in driving comfort. Unlike a conventional steering wheel and steering, it doesn’t take many turns to go from one lock to another (wheels turned all the way to the right to go all the way to the left). Here it is done in just under one full revolution.

The butterfly wheel associated with the electronic steering offers a very original experience.
The butterfly wheel associated with the electronic steering offers a very original experience. © J.B.

Thus, during manoeuvres, large movements of the steering wheel are avoided. When driving, the system takes into account various parameters, such as speed, to adjust the turning radius according to the situation. A conclusive demonstration found in our video test.

See you in 2025

Lexus plans to offer this option from 2025, time to refine its already promising system.

No price has been announced at the moment, but in the meantime this Lexus RZ starts at 75,500 euros in a Luxury finish and 85,000 euros in an Executive finish. It is this more premium trim level that should have the optional butterfly steering wheel.

Author: Julien Bonnet
Source: BFM TV

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