Lexus RX vs Mercedes-Benz GLB-Class
What's the difference?

Lexus RX

$101,200 - $111,100

2026 price

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Mercedes-Benz GLB-Class

$65,400 - $106,228

2026 price

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Land Rover Discovery Sport

Mercedes-Benz A-Class

Mercedes-Benz C-Class

Mercedes-Benz E-Class

Mercedes-Benz E53

Mercedes-Benz EQ-Class

Mercedes-Benz G-Class

Mercedes-Benz G63

Mercedes-Benz GLA-Class

Mercedes-Benz GLB-Class

Mercedes-Benz GLC-Class

Mercedes-Benz GLE-Class

Mercedes-Benz GLS

Mercedes-Benz GLS-Class

Mini Countryman

Mitsubishi ASX

Mitsubishi Eclipse Cross

Mitsubishi Outlander

Mitsubishi Pajero

Mitsubishi Pajero Sport

Summary

2026 Lexus RX

2026 Mercedes-Benz GLB-Class

By Emily Agar

By Tim Nicholson

Safety Rating

Engine Type

—

Turbo 4, 1.5L

Fuel Type

—

Premium Unleaded Petrol

Fuel Efficiency

—

6.1L/100km (combined)

Seating

Likes

Smooth & refined
Premium features
Family-friendly rear seat

Exterior design
Impressive, useful in-car tech
More refined than predecessor

Dislikes

Relatively short EV-only range
No spare tyre, just a repair kit
Raised rear seat cramped for tall people

Standard glass roof
Expensive servicing costs
No spare wheel

2026 Lexus RX Summary

Lexus has finally brought a plug-in hybrid to the Australian market with the RX450h+, and we’ve been testing the second-from-the-top Sports Luxury grade to see how it stacks up.

Promising a blend of electric efficiency and the high-end comfort Lexus is known for, this large SUV steps into a competitive segment. But does it deliver on both fronts?

View full pricing & specs

2026 Mercedes-Benz GLB-Class Summary

There’s nothing quite like the Mercedes-Benz GLB. It’s a smallish mid-size SUV with a third seating row (strictly for small children… ), it has a distinctive boxy shape, and for the second generation, you can have a mild-hybrid or fully-electric powertrain. It is the definition of versatile.

The previous GLB was petrol only and Mercedes also offered the similar looking EQB as part of its EQ electric sub-brand. The separate EV model strategy wasn’t working so the German carmaker followed rival BMW’s plan of simply offering electric versions of popular models. Hence the two powertrain options for the new GLB.

This time around Benz has sharpened up pricing, added a bunch of new tech, and developed a new vehicle architecture, while retaining what buyers loved about the original.

Is the new-gen GLB a success?

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Deep dive comparison

2026 Lexus RX 2026 Mercedes-Benz GLB-Class

Verdict

The new Lexus RX450h+ Sports Luxury is packed with a wealth of premium features and strikes a solid balance between refinement and practicality. There are enough thoughtful touches that make everyday driving a little easier.

You’ll get the most out of the plug-in hybrid powertrain if you’re able to charge it regularly; ideally every day. That might not always be practical for busy people on the go, but overall, the RX450h+ manages to blend efficiency with Lexus’ signature comfort and quality.

Verdict

The new GLB is a worthy successor to the original. It has retained everything that made it such a unique proposition but improves where it counts - interior space and comfort, in-car and safety tech, standard features, powertrain, ride quality and, importantly, value-for-money.

The EV is the pick of the powertrains and while I didn’t get to drive it, the GLB250+ is the best value.

Servicing is expensive and the standard glass roof is a bugbear but if you can cope with those things, the boxy GLB is a terrific smallish family SUV.

Lexus RX vs Mercedes-Benz GLB-Class What's the difference?

Summary

Deep dive comparison

Verdict

Verdict

Lexus RX vs Mercedes-Benz GLB-Class
What's the difference?