Lexus Rz vs Lexus UX300E

What's the difference?

Smooth, quiet, quality sums up this new and improved Lexus RZ. But will tricky new tech like steer-by-wire and a manual mode in the F Sport's auto transmission be enough to sway more premium electric SUV buyers its way? Fold in this car’s value proposition as well as the brand’s spectacular ownership package and it just might be.

Note: CarsGuide attended this event as a guest of the manufacturer, with travel, accommodation and meals provided.

The Lexus UX300e Sports Luxury nails the luxury and standard features list! It certainly feels like a premium SUV inside and the updated technology and driving range were sorely needed to keep this competitive, but once you start looking at its rivals, which all offer similar specs and better driving ranges, the price point starts to feel a smidge high. However, the ongoing costs and the complimentary bonuses that Lexus throws in, are great.

Not a tremendous amount of change in terms of exterior design for this update with the brand’s signature angular treatment retained including a prominent snub nose and 20-inch rims on both variants of the car.

The top-spec F Sport picks up extra aero-focused elements, particularly around the lower bumper at the front, as well as aero covers on the wheels and at the back a spoiler on the tailgate as well as a faux diffuser at the bottom of the lower bumper.

Not much has changed inside either except for a steering wheel-shaped elephant in the room in the form of a yoke that goes with the steer-by-wire function on the 550e F Sport. A significant, eyebrow-raising departure.

However, the curved instrument binnacle, central 14-inch multimedia screen as well as the design of the centre console remain unchanged. 

Having said that, there are new ‘laser-patterned’ designs in the door card trims and dynamic lighting graphics in the doors, as well.

The functionality of the touch-dimmable panoramic roof has also been improved and it works beautifully.

The design hasn’t seen much change and Lexus seems to be encouraging an understated EV design as it looks just like its fuel-based siblings.

I don’t mind that it’s not as futuristic as some of its competitors and that, at first glance, there isn’t anything to set it apart.

The front sports a classic Lexus 'spindle' grille and the external lights are large but the rear side lights jut out rather severely, reminding me too much of its Toyota counterparts.

The rear features a cool LED strip light for the brakes, which elevates its night-time presence.

The sporty-looking 18-inch alloy wheels are a nice touch but the plastic mouldings around the base of the car detract from the premium-level this model sits in. It’s not as slick-looking as it could be.

Having said that, the interior earns back points courtesy of its premium feel with leather-accented trims and Japanese Washi paper influenced accent panels. But there is a lot happening with the dashboard.

It’s a little overwhelming at first because it protrudes well into the cabin and features multiple cutaways, but you get used to it after a while.

There are also little knobs on either side of the instrument panel that look out of place to me and resemble horns.

At a fraction over 4.8m long, close to 1.9m wide and a bit more than 1.6m tall, with a 2850mm wheelbase, the ZR is a sizeable machine. 

There’s plenty of breathing space in the front and in terms of practicality the first thing that jumps out, or rather it doesn’t, is the lack of a conventional glove box.

But there is a large box between the front seats to take its place, with the lid (which doubles as a centre armrest) performing the Lexus party trick of being able to open towards the driver or passenger.

There are two cupholders in the centre console with a wireless charging pad ahead of them, plus decent bins in the doors for bottles and other bits and pieces. An additional tray sits under the main, flying buttress-style upper console.

For power and connectivity, there are USB-C sockets for charging and media as well as a 12-volt socket in the lower console section.

Getting into the back is easy thanks to wide-opening doors and a large entry aperture and seated behind the driver’s seat set for my 183cm position I’ve got hectares of leg- and headroom. Shoulder room is best for two full-size adults rather than three, which would be a short-journey squeeze. Three up to mid-teenage kids will be fine.

In terms of storage there are pockets on the front seatbacks, bins able to hold a large bottle in the doors and two cupholders in the fold-down centre armrest. Individual ventilation control for rear seat passengers is always welcome. 

Then for power, there are two USB-C outlets and a ‘house-power’ socket underneath them. The 550e F Sport also includes heating controls for the two outer rear positions.

Lower rear axle packaging enhances boot space with a generous 522 litres on offer, expanding to 1451L with the 60/40 split-folding second row lowered. Tie-down anchors and bag hooks are a thoughtful touch and there are handy storage boxes under the flat floor, ideal for charging cables. 

The standard power tailgate is nice, while a repair-inflator kit instead of a proper spare isn’t. Braked trailer towing capacity is a handy 1.5 tonnes.

As soon as you slide in, you’re reminded that the UX is a small SUV. Even with the driver's seat at its lowest position I still knock my knees on the steering wheel when getting in and out of the car.

The higher door sills also accentuate the penned in feeling despite there being plenty of head- and legroom in the front row! 

Then comes the back seat, which is super tight on space. I’m 168cm (5'6") and my headroom is fine but the legroom sucks. My knees press into the back of the driver’s seat (set for my driving position).

There’s also not a lot of space underneath the seat for toes, so I wouldn’t recommend the UX to anyone who regularly transports tall passengers. 

Having said that the seats in both rows are very comfortable and the leather trims feel lovely to touch. Both front seats are electric with heat and ventilation functions but only the driver’s side enjoys adjustable lumbar support. 

Storage is good throughout the car, which is not usually the case for the small SUV class. Up front you get a glove box, two cupholders, two drink bottle holders and a middle console that opens from both sides, which is handy and cool.

In the rear you get two cupholders in a fold-down armrest and map pockets but no storage bins in either door unfortunately.

Other amenities in the back are very good for this class with the heated outboard seats, directional air vents, reading lights and two USB-C ports.  

On that note, the upgraded multimedia system is now easier to use while on the go, is responsive to touch and looks great.

Some of the information on the system can be annoying to find but the customisations available on the 7.0-inch digital instrument panel more than make up for it.

There is a coloured head-up display, wireless Apple CarPlay, wired Android Auto and satellite navigation.

All are easy to use and won’t confuse you too much!

The charging options are great with each row getting two USB-C ports but the front also gets a USB-A port, 12-volt socket and a wireless charging pad. You’re seriously spoilt for choice.  

The boot space sits at a small 314L, which is 100L less than the previous model but that’s because Lexus has made a little storage nook underneath the floor for the tyre repair kit and cable pouches.

It's a great boot because it sits high and is easy to access, and I have plenty of room for all of the gear needed for a week’s errands. The hands-free powered tailgate is great, too.

There are only two variants for the electric UX and our test model is the top-spec Sports Luxury but the gear isn’t the only thing that’s been upgraded. The before on-road costs price for this model has jumped by almost $7K to a hefty $87,665!

In comparison, the BMW is the nearest rival at $84,900 (MSRP) and the Mercedes-Benz is a bit more affordable again at $82,300 (MSRP) while the Volvo sits pretty at $76,990 (MSRP).

The UX300e is the most expensive but is well-specified by anyone’s standards.

The Sports Luxury grade maintains its premium features, like the sunroof, heated front and rear outboard seats, ventilated front seats, and a heated steering wheel.

But the technology has been retooled and a new 12.3-inch touchscreen multimedia system replaces the previous model's 10.3-inch touchpad arrangement. It’s a welcome addition as it’s much easier to use.

New features, like wireless Apple CarPlay, acoustic front glass and insulation around the bonnet and wheel wells provide additional on-road comfort and practicality.

Lexus also throws in an AC Type 2 charging cable, as well as a GPO (General Power Outlet) cable. The technology is robust but I’ll go into more detail in the Practicality section.

Other standard features are solid with 18-inch alloy wheels, a tyre repair kit, handsfree powered tailgate, full suite of LED exterior lights, 10-way electric driver’s seat and an eight-way electric front passenger seat (but only the driver enjoys adjustable lumbar support).

The leather-accented trims feel luxy and the steering wheel has mounted controls and paddles to customise the regenerative braking while on the go.

Both versions of the new RZ are powered by dual permanent magnet synchronous motors, one in the front, one at the back, each producing 167kW and 269Nm. 

Total output is 280kW for the 500e (up from 230kW in the 450e), with a little more juice released from the motor combination for the 550e at 300kW.

A single-speed transmission sends drive to both axles and the RZ550e F Sport features ‘Interactive Manual Drive’ designed to give the sensation of manual gear shifts in a BEV. More on that in the Driving section.

The UX300e has a fully electric powertrain with a 72.8kWh lithium-ion battery that’s located on the front axle.

The power and torque remain unchanged at 150kW and 300Nm but that’s enough to produce a 0-100km/h sprint time of 7.5-seconds. Plenty of oomph for city-slickers and open-roaders to boot.

The update sees the battery increase in capacity by 34 per cent which means the driving range has jumped from 305km to 440km.

That's still a bit lower than some of the UX's competitors but it certainly helps ease range anxiety! And unlike some of its rivals, the UX300e only sports a front-wheel drive drivetrain.

The RZ500e and 550e are fitted with a 77kWh lithium-ion battery delivering a claimed (WLTP) range of 450 and 456km, respectively.

Claimed 10-80 per cent charge time, using its full 150kW DC fast-charge capacity, is 30 minutes or a handy three and half hours at maximum 22kW AC capacity.

Energy consumption on the combined (urban/extra-urban) cycle is 18.2kWh/100km (WLTP) for the RZ500e and 18.4 for the 550e.

Over several hundred kilometres of B-road and freeway running as well as pottering through slow-speed villages on the launch we saw an average of 19.3kWh/100km in the 500e and 20.1 in the 550e F Sport, which is pretty handy.

And the (very) good news is two AC charging cables, installation of a home charger and three years’ complimentary charging across the Chargefox network is included. Nice!

My energy consumption sat at an average of 19.5kWh, which is decent considering all of the open-road driving I did.

There are four levels of regenerative braking to help conserve battery percentage but even on the firmest setting, it’s not super noticeable.

When you’re at full charge, multiple notifications and sound alerts pop up on the instrument panel stating ‘Regenerative Braking Limited Press Brake to Decelerate’. It’s quite an intrusive feature but disappears after 20 to 30km.

Despite the bigger battery size, the UX300e can only accept up to 6.6kW on AC charging, whereas, all of its rivals can accept 11kW. On a 240-volt AC charger, expect to see a charge time of nine and a half hours to get to 80 per cent.

Curiously, the UX features two charging ports, on the right-hand-side, there is a Type 2 port and, on the left, a CHAdeMo port, which allows for faster charging.

You'd think it would be easier to simply add the CCS enhancement on the Type 2 port but still, expect to get from 10-80 per cent in 80-minutes on a 50kW fast charger.

It’s a hefty machine at 2.1 tonnes, but Lexus says the RZ550e F Sport will accelerate from 0-100km/h in 4.4 seconds, with the 500e only marginally slower at 4.6sec.

In straight-line acceleration Lexus says front to rear power distribution varies between 60:40 to 100 per cent rear to suppress pitching and “produce a more direct acceleration feel”. 

And the RZ is indeed quick. Apply your right foot at just about any speed and the car rockets ahead with satisfying enthusiasm.

The F Sport’s ‘manual’ mode allows you to shift through eight virtual ‘ratios’. Press the ‘M’ button on the console and bingo, you have slim steering wheel-mounted paddles to control them.

At anything above a light accelerator application you’ll feel a jolt on upshifts, but it’s rather unpleasant. Sure, you want some sense of a gear change, but you feel it in your core. Check out the video review to see how much it can shake you around. 

A synthetic soundtrack Lexus refers to as the “BEV Sound”, vaguely echoing an internal combustion engine, is fed through the F- Sport’s audio system and it feels thin and brittle to our ears. Again, check out the audio sample in our video review to see if you agree.

You’ll hear the ‘revs’ rising on up and downshifts but there’s no physical accompaniment with the latter as far as we could sense.

Suspension is strut front with double wishbones at the rear and it’s been given a thorough revision in terms of dampers, springs and bushings in both the 500e and 550e F Sport, with the latter copping some additional fine-tuning in each of those areas.

We sampled 500e and 550e F Sport versions of the RZ on the launch drive in Southern Portugal, covering mostly Aussie-compliant roads with lots of bumps and ruts to deal with. And despite its hefty kerb weight the car copes with these imperfections well.

There’s also been some extra attention paid to body rigidity in this updated RZ, specifically reinforcement of upper sections of the nose and around the boot to keep the car more torsionally stiff.

In cornering the drive distribution ratio is between 80:20 front to rear to RWD-only, according to vehicle speed and steering angle, and the car feels composed and predictable.

The F Sport features the steer-by-wire system, using a yoke rather than a conventional steering wheel and the ratio is such that all you have to do is turn the wheel slightly to generate a response.

It’s smooth and progressive but quick at the same time. You soon become used to it.

While it's unusual to see a small yoke in your hands rather than a steering wheel, it means you have an uninterrupted view through to the instruments, which is a nice side benefit.

However, much like the Infiniti Q50’s system before it, there is no mechanical link between the driver’s hands and front wheels. Steering inputs are relayed by electric signals from a torque actuator to a control actuator.

So, while Lexus says “important feedback filters through without the unpleasant vibration effects of a mechanical connection”, and that’s true, by definition there is no road feel and the wheel feels numb from that point-of-view. Worth noting the mechanically steered 500e feels much the same.

Tyres are Dunlop SP Sport Maxx (235/50 fr - 255/45 rr) which grip hard and remain relatively comfy despite their short sidewall running on 20-inch rims.

One price you pay for the steer-by-wire system’s set-up is a substantial turning circle, so be ready for that.

Braking is by ventilated discs all around, which work nicely, and when you’re not using the manual mode in F Sport the steering wheel paddles allow movement through four levels of regenerative braking.

The most aggressive setting will slow you quite markedly but not to the level of ‘single-pedal’ operation.

Additional sound insulation includes an under-seat rear floor silencer, soundproofing in the door trims as well liberal use of damping sheets, foam, silencer pads, insulators and extra seals. And the car is super-quiet, even for an EV.

In terms of miscellaneous observations, the front seats on both versions remained comfortable and supportive over long stints behind the wheel (and yoke!).

Slow speed manoeuvring is assisted by a 360-degree overhead camera view with a translucent trace of the car in the centre, as well as a high-quality reversing camera. Vision across the car and through to the back is good, anyway, but the extra tech helps in the slow speed stuff. 

There’s also a sensible mix of physical dials and on-screen controls and the touchscreen menus are easy to use. Especially handy when you’re racing to the function that turns off the intensely annoying over-speed warning.

The UX300e comes into its own when you’re zipping around tight city streets. The power is responsive and the steering crisp with excellent cornering capabilities.

It feels well-placed on the road most of the time but can move around when it gets hit by high winds.

While the power is steady, the tyres can lose a little traction if you’re too quick to accelerate from a full stop.

The ride comfort is also very good with the new acoustic glass and extra insulation around the bonnet and wheel wells providing a whisper quiet cabin space.

The suspension is well-cushioned but not floaty and you won’t wince when you hit a bump, but occasionally you get a thump-thump shudder through the frame on certain rough road surfaces.

It’s not a massive size and you’ll be thankful for that when it comes time to park because it is seriously easy to slide into a spot!

The 360-degree view camera system is top-notch providing clear graphics and a cool feature where the car becomes invisible in the video feed, which makes it even easier to see all around you. Coupled with the front and rear parking sensors, you’re set.

The UX300e has a bunch of great safety features that come as standard and I like the proximity alert that pops up a camera feed of your surroundings when you’re in stop/start traffic. It’s a practical feature to help identify pedestrians or cyclists in your blind spots.

Other standard safety equipment includes forward collision warning, blind-spot monitoring, daytime running lights, rear cross-traffic alert, lane keeping aids, lane departure warning, adaptive cruise control, intelligent seat belt reminders, traffic sign recognition, an SOS call button, and that awesome 360-degree view camera system.

Family-friendly features include two ISOFIX child seat mounts on the rear outboard seats plus three top-tethers but two seats will fit best.

The UX also has a rear occupant alert if it detects weight or seat belts in use in the back seat, which is always a great feature.

The UX has a maximum five-star ANCAP safety rating from testing done in 2019. It also has eight airbags, which includes knee airbags for both front occupants.

The RZ is covered by Lexus Australia’s five-year/unlimited km warranty and there’s an eight-year/160,000km warranty on the drive battery, which is in line with the RZ’s key competitors.

Recommended maintenance interval is 12 months/15,000km, which is relatively brief for an EV. 

Capped-price servicing is yet to be confirmed, but for reference the outgoing 450e runs to $395 for each workshop visit up to a maximum of five years/75,000km. That’s sharp pricing in this part of the market.

The RZ also qualifies its owner for ‘Platinum Electrified’ benefits under the ‘Lexus Encore’ ownership program. That means everything from access to “exclusive offers and events” to a complimentary service loan car, five years’ roadside assistance, valet parking at selected locations, airport lounge access and (heaps) more, including the charging benefits mentioned earlier. Hard to argue with that.

The UX comes with a five-year/unlimited km warranty but the battery is covered by a 10-year or up to 160,000km warranty, which is better than most in this class.

This also comes with a five-year capped-priced servicing plan where services cost a flat $295, which is good but the servicing intervals are more in line with a fuel-based car at every 12-months or 15,000km, whichever occurs first. It’s typical to see intervals stretched out at every two years for an EV.

Lexus also throws in a few sweeteners for owners with three-year complimentary subscriptions to both ChargeFox and Lexus Connected Services, as well as, installation of an at-home wall charger. It’s not often you see the word ‘complimentary’ coupled with a luxury brand, so that’s a nice touch.