Lexus rx 350 vs 450 size comparison

Lexus rx 350 vs 450 size comparison
If you’re looking for a luxury crossover SUV, you can’t go wrong with a Lexus. Lexus offers two very similar small crossovers in its lineup, the RX 350 and RX 450h, and many people find themselves wondering which one they should purchase and what the differences are between the two. Let’s take a moment to examine the similarities and differences between the Lexus RX 350 and the Lexus RX 450h to see which one is the better option for you.

Similarities

The Lexus RX 350 and Lexus RX 450h look similar and share a number of features. Both come standard with Bluetooth for phone and audio, electronic parking aids, rearview cameras, and a leather-wrapped steering wheel with audio controls. They also share power-adjust seats up front, a universal garage-door opener, all-wheel drive with automatic traction control, automatic LED headlights, keyless entry, and adaptive cruise control to keep you safe as you drive.

Both SUVs will hit showrooms in 2020 with upgraded suspension and handling, new styling at the front and rear, and upgraded technology, including the addition of smartphone integration for Apple CarPlay, Android Auto, and Amazon Alexa.

Power and Performance

The first area where the RX 350 and RX 450h differ is in the power and performance put out by their engines. While both are driven by a 3.5-liter V-6 engine, the RX 350 in 2020 is expected to deliver 295 horsepower, while the RX 450h is expected to deliver up to 308 horsepower when it hits showrooms this fall. Both are good engines, but the 450h is expected to deliver a more powerful performance.

Fuel Economy

Another difference is how far you can go between trips to the gas station. The EPA-estimated fuel economy for the 350 is 20 mpg in the city and 28 mpg on the highway. The 450h, on the other hand, is estimated by the EPA to get 30 mpg on the highway and 28 mpg in the city. This is because the 450h is powered by a hybrid engine, which provides additional mileage. If the 2020 numbers hold up, the 450h will deliver more power and maintain a fuel-economy edge.

Safety Technology

The two SUVs provide the same safety package. The Lexus Safety System+ 2.0 powers both vehicles’ active intelligent safety systems. This includes features such as Siri Eyes Free, lane-departure warning and intervention, front-crash warning, automatic emergency brakes, adaptive cruise control, automatic high beams, and a rearview camera. The 2020 model year adds some new features like low-light pedestrian detection, road-sign reading assist, lane tracing, and a brand-new and unique feature known as low-light bicyclist detection.

The 2020 Lexus RX 350 and RX 450h are similar SUVs that will carry many of the same features. The 450h, however, will likely cost a bit more but come with more horsepower and noticeably better gas mileage. If a hybrid luxury crossover is appealing to you, you might want to look into the RX 450h when it hits the showroom at Lexus of Huntsville. If cost is paramount, check out the 350. Either way, give us a call for a test drive today.

Image used with permission from lexus.com / cropped from original

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  • Doors and Seats

    5 doors, 5 seats

  • Engine

    3.5i/123kW Hybrid, 6 cyl.

  • Engine Power

    306kW (comb), 317Nm

  • Fuel

    Hybrid (95) 6.4L/100KM

  • Manufacturer

    4XO

  • Transmission

    Lexus rx 350 vs 450 size comparison

    1 Spd Auto (CVT)

  • Warranty

    4 Yr, 100000 KMs

  • Ancap Safety

    NA

With the new RX350 and RX450h models, Lexus has moved considerably closer to the kind of ride/handling balance achieved by premium German and English manufacturers in the same segment.





What we love

  • More distinctive styling especially on F Sport models
  • handling and ride
  • superbly comfortable leather seats
  • smooth powertrains and transmission
  • quiet cabin
  • benchmark levels of standard equipment
  • value for money

What we don't

  • Interior look not as elegant as German and English rivals
  • no diesel option

Lexus rx 350 vs 450 size comparison

Lexus has completed its new RX roll out with updated versions of the Lexus RX350 and Lexus RX450h joining the all-new, entry level RX270 on showroom floors.

The luxury Japanese maker has also added F Sport versions to the Lexus RX350 and Lexus RX450h model ranges, expanding the Lexus RX line-up to seven variants.



The F Sport versions replace the previous Lexus RX350 Sports and Lexus 450h Sports models.

While the 2012 Lexus RX isn’t a new-generation vehicle, it’s a significant update on the old, with major styling changes across the range.



Lexus rx 350 vs 450 size comparison

The most striking design change is the new-look RX grille and front bumper, bringing the model in-line with Lexus’ distinctive new corporate identity and bearing the trademark spindle grille.

To give buyers more choice, Lexus has even adorned each of the seven variants with its own unique version of the grille, bumper and lower spoiler.

The F Sport variants are easily identified by a larger front bumper and more pronounced spindle grille with honeycomb mesh air intakes, while the RX450h showcases more chrome highlights with the mesh intakes replaced by horizontal intake fins for a more prestigious look.



Lexus rx 350 vs 450 size comparison

New-look arrowhead-shaped LED daytime running lamps further enhance the prestige look across the entire Lexus RX range.

Apart from the F Sport badges on the front three-quarter panels, it’s Lexus’ exclusive 19-inch alloy wheels in dark chrome that will make the F Sport models easily to spot.

Inside, the F Sport treatment is subtler. There’s a superb sports leather steering wheel that looks and feels vaguely like that from the Lexus LFA supercar, while the RX350 F-Sport is the only RX model to get steering-wheel mounted paddle shifters for better driver engagement.

Lexus rx 350 vs 450 size comparison

However, we’re not so keen on the leather seat cushions with white-coloured perforations inside our Lexus RX350 F Sport test vehicle. It’s supposed to provide a ‘race-inspired feel’ but to us, it just looks a little cheap, despite the high-quality leather used.

Lexus rx 350 vs 450 size comparison

That aside, Lexus’ new interior designs have leapfrogged previous Lexus models and by some measure. There’s a higher grade of soft-touch materials used inside the RX and a significantly cleaner and more organised switchgear layout.

The only criticism we have is with the possible overuse of metallic highlights throughout the RX cabin, particularly around the centre-stack. Too much bling perhaps, in comparison with the more elegant styles of its German and English rivals.



Not only has Lexus reduced pricing across the entire 2012 RX range by as much as $7880 on some models, the inventory of standard equipment is now even more generous.

Lexus rx 350 vs 450 size comparison

The new Lexus RX models receive an 8-inch colour screen featuring satellite-navigation with traffic alert; reversing camera with park assist (no parking sensors); leather interior; power rear tailgate; eight-way power seats; 12-speaker audio system; Bluetooth phone and music streaming; smart entry and smart start; privacy glass; digital radio (DAB+); roof rails; metallic paint and second-generation Lexus remote touch system.

F Sport models also pick up High Intensity Discharge (HID) headlamps, while the RX450h Sports Luxury receives LED headlamps, electro-chromatic mirrors and LED instrument lighting.

All Sports Luxury models are equipped with the latest generation head-up display, wide view side mirror and parking sensors – front and rear.



Lexus rx 350 vs 450 size comparison

It’s an enormous array of standard kit and represents a compelling buying proposition all on its own.

As far as sheer comfort in the SUV world goes, it’s difficult to think of a more comfortable place to be than in the latest Lexus RX450h. The sumptuous leather seats, while not so heavily bolstered, provide a truly armchair-like comfort.

Even the look and feel of the combination wood/leather steering wheel is best described as luxurious with Lexus adding more tactility and grip in the new model.

Lexus rx 350 vs 450 size comparison

With the second-generation Lexus remote touch, which allows navigation, climate control, phone and audio to be controlled via a computer-like mouse, Lexus has moved a step closer to the feel and functionality of BMW’s benchmark iDrive system.

The drivetrains for both Lexus RX350 and RX450h (hybrid) models are essentially carried over from the previous iterations, although according to Lexus, there’s a slight improvement in fuel-economy with the hybrid powertrain, down from 6.4L/100km to 6.3L/100km on a combined cycle.



The 3.5-litre quad-cam V6 in the Lexus RX350 remains beautifully smooth and free-revving. There’s plenty of punch too, with the engine developing 204kW of power and 90 per cent of its 346Nm peak torque from 2300 to 6100rpm.

Lexus rx 350 vs 450 size comparison

Moving across to the RX350 F Sport and throttle response is more immediate and the steering weights up even more at speed.

The newly introduced paddle-shifters are a welcome addition to this model and are well mated to the carried-over super-smooth six-speed automatic transmission.

The RX450h retains its petrol/electric hybrid powertrain, which generates a thoroughly acceptable 220kW and 317Nm from its 3.5-litre petrol engine and the benefit of immediate torque from zero-rpm.

The introduction of a new ‘Sport’ mode on the Lexus RX450h model range means more mid-range punch and even more weight in the steering, at speed. The same six-step CVT (continuously variable transmission) is kept and although it's relatively effective and of course, seamless, the fact that there are no real gear changes is less engaging that the RX350.



Lexus rx 350 vs 450 size comparison

But the really significant changes to the RX model range lie with the handling and steering.

Lexus has revised the RX chassis with an additional 12 spot welds to each side of the RX body and chassis. The result is a vastly more superior handling SUV than the vehicle it replaces.

In fact, body roll has been all but eliminated on all new RX models, including the heavier RX450h.

Lexus rx 350 vs 450 size comparison

It feels more balanced, especially during cornering - and the steering feel has been dramatically enhanced thanks to reinforcements around the dash panel and tweaks to the power assist unit.



Those improvements are amplified on the Lexus RX F Sport models, with the addition of performance dampers that have been specifically engineered to absorb minor vibrations in the body.

Apart from the roll-free cornering, even when driven enthusiastically through a series of off-cambered s-bends the ride quality across the RX350 and RX450h range is outstanding.

Lexus rx 350 vs 450 size comparison

On the F Sport models the ride is around 25 per cent firmer than the standard variants, but all manner of bumps and potholes are completely ironed out by these two new Lexus RX models, regardless of their size, or depth.

With the new RX350 and RX450h models, Lexus has moved considerably closer to the kind of ride/handling balance achieved by premium German and English manufacturers in the same segment.



Lexus rx 350 vs 450 size comparison

2012 Lexus RX pricing

Lexus RX270 - $69,900

Lexus RX350 Luxury - $77,900
Lexus RX350 F Sport - $85,900
Lexus RX350 Sports Luxury - $94,400

Lexus RX450h Luxury - $82,900
Lexus RX450h F Sport - $89,900
Lexus RX450h Sports Luxury – 100,900

Ratings Breakdown

2012 Lexus RX RX450h Sports Luxury Wagon

7.0/ 10

Interior Comfort & Packaging

Lexus rx 350 vs 450 size comparison

Insurance from

$1,182/yr

Estimate details

What is the difference between an RX 350 and 450?

RX 450h: Differences. One of the main differences between the 2019 Lexus RX 350L and the RX 450h is the engine. The RX 350L has a standard gas engine while the RX 450h includes a hybrid engine.

Is the Lexus 350 and 450 the same size?

The Lexus RX 350 is about the same width as the Lexus RX 450h.

What is the difference between 2022 RX 350 and 450?

The 2022 Lexus RX 450h costs about $3,000 more than the RX 350 in the base model, and roughly $17,000 more in the L version because the RX 450h L only comes in the top trim. You do get the value you expect from Lexus despite the higher price, but for some the Improvement in fuel economy may not be worth it.

Is Lexus RX 450h worth it?

The RX 450h feels good on the road, with easy effort steering and even quicker pickup than the non-hybrid models. And thanks to a well-tuned brake-by-wire system, the RX 450h is capable of surprisingly smooth stops, which can be a real weak point for hybrid vehicles.