Mercedes-Benz Glb250 vs Mazda CX-3

What's the difference?

VS
Mercedes-Benz Glb250
Mercedes-Benz Glb250

$30,979 - $54,988

2020 price

Mazda CX-3
Mazda CX-3

$30,670 - $39,190

2026 price

Summary

2020 Mercedes-Benz Glb250
2026 Mazda CX-3
Safety Rating

Engine Type
Turbo 4, 2.0L

Inline 4, 2.0L
Fuel Type
Premium Unleaded Petrol

-
Fuel Efficiency
7.7L/100km (combined)

6.3L/100km (combined)
Seating
7

5
Dislikes
  • Optional safety features
  • Penetrating wind noise
  • Prominent body roll

  • Lack of efficiency
  • Interior tech outdated
  • Could be cheaper?
2020 Mercedes-Benz Glb250 Summary

We all know by now Mercedes-Benz loves to fill a niche, and if it can't find a niche to fill, it will create one. So, please welcome its latest niche-filler, the GLB.

Despite shaping up as a mid-sizer, the GLB is a small SUV… with a twist. Whereas other small SUVs have five seats, the GLB has seven, lending itself to unrivalled practicality.

So, does the GLB operate in the 'Goldilocks Zone', or is it an answer to a question no-one asked? We put its mid-range GLB 250 variant to test to find out.

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2026 Mazda CX-3 Summary

Mazda has updated one of its most popular, but rather old models. 

Yes, the Mazda CX-3 is still around after more than a decade since its reveal, and it remains almost at the tippy-top of Mazda’s local sales charts.

With the brand having shifted 8221 CX-3s in the first half of 2025, it seems the light updates and modest price rise haven’t scared away any potential customers.

We’ve grabbed a CX-3 Evolve, the second-up of four available variants, to see if the popular light SUV still stacks up, or if you’re better off taking your money elsewhere.

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Deep dive comparison

2020 Mercedes-Benz Glb250 2026 Mazda CX-3

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