Audi Q3 vs Mercedes-Benz GLA-Class

What's the difference?

VS
Audi Q3
Audi Q3

$58,700 - $84,327

2026 price

Mercedes-Benz GLA-Class
Mercedes-Benz GLA-Class

$31,800 - $76,868

2021 price

Summary

2026 Audi Q3
2021 Mercedes-Benz GLA-Class
Safety Rating

Engine Type
Turbo 4, 1.5L

Turbo 4, 2.0L
Fuel Type
Premium Unleaded Petrol

Premium Unleaded Petrol
Fuel Efficiency
5.8L/100km (combined)

7.5L/100km (combined)
Seating
5

5
Dislikes
  • No PHEV option (yet)
  • A few rattles in our test car
  • Small back seat

  • Full suite of safety costs extra
  • Some quality lapses inside
  • Ride still unsettled even on optional adaptive dampers
2026 Audi Q3 Summary

Replacing a popular model is fraught with danger. Existing customers will tell you they love it, while focus groups of non-customers will tell you why they hate it and sometimes carmakers get caught trying to appease both groups.

Sometimes they’ll make it too big or change too much in the search for more sales and ultimately end up removing the elements that made it popular in the first place.

Which is why Audi has been extra careful with some subtle evolution for this new-generation Q3 SUV and Sportback. This isn’t just a popular model for Audi Australia, it has been the best-selling model for the German brand for more than five years, so getting it wrong would be a disaster.

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2021 Mercedes-Benz GLA-Class Summary

ONE of the great motoring successes of the past decade has been the Mercedes-Benz GLA, catapulting the brand to unparalleled prominence in the premium small SUV field and kicking off the posh little coupe-hatch crossover craze.

Cynics might say that it is essentially a jumped-up A-Class hatchback, much like the Subaru XV is basically an Impreza in stilettos. But while the small German crossover is built on the same MFA2 platform as its smaller transverse-engined Benz brethren, no body panels are shared, granting it a distinct look and personality. Unlike the little Suby…

The H247-series GLA launched in Australia in 2020 is second-generation, featuring a longer wheelbase and appreciably more space, but a shorter overall length than the popular original from 2013. It's also substantially taller.

Here we take a long, hard look at the bestselling GLA 250 4Matic.

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Deep dive comparison

2026 Audi Q3 2021 Mercedes-Benz GLA-Class

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