Mercedes-Benz GLB vs Audi Q3

The Mercedes-Benz GLB starts from $63,900 before on-road costs, while the Audi Q3 opens at $61,600. That makes the Audi Q3 the more affordable entry point by $2,300.

Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $70,290 and $67,760 respectively.

Over 5 years, the running costs favour the Audi Q3 by roughly $2,565 in fuel alone.

Both the Mercedes-Benz GLB and Audi Q3 hold a 5-star ANCAP safety rating. Adult occupant protection scored 92% for the Mercedes-Benz GLB and 87% for the Audi Q3.

Where the two diverge is in active safety technology. Both models are evenly matched with 6 out of 10 key ADAS systems.

Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 7 in the Mercedes-Benz GLB and 6 in the Audi Q3.

The Mercedes-Benz GLB features a 10.3-inch touchscreen paired with a 10.3-inch digital dash, while the Audi Q3 gets a 10.1-inch display and 10.3-inch instruments. Apple CarPlay and Android Auto are standard across both.

The Mercedes-Benz GLB stands out with wireless Apple CarPlay/Android Auto, wireless charging and heated front seats that you will not find on the Audi Q3. The Audi Q3 counters with Apple CarPlay. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Mercedes-Benz GLB gets synthetic leather upholstery while the Audi Q3 offers leather.

The Mercedes-Benz GLB uses a Petrol producing 120kW and 270Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 9.4 seconds.

The Audi Q3 responds with a 4-cylinder inline petrol with turbocharging, MHEV technology and Cylinder on Demand (CoD) making 110kW and 250Nm, paired to a 7-speed s tronic driving the front wheels. It gets to 100km/h in 9.1 seconds.

The Mercedes-Benz GLB has the clear power advantage at 120kW vs 110kW. In the real-world sprint, the Audi Q3 is 0.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

The Mercedes-Benz GLB measures 4,634mm long on a 2,829mm wheelbase, 103mm longer than the Audi Q3 at 4,531mm (2,681mm wheelbase). The longer wheelbase on the Mercedes-Benz GLB generally means more rear legroom.

Boot space is 570L in the Mercedes-Benz GLB and 488L in the Audi Q3, giving the Mercedes-Benz GLB a 82L advantage. The Mercedes-Benz GLB seats 7 vs 5.

For towing, the Audi Q3 leads with a 2,000kg braked capacity vs 1,600kg. That 400kg difference matters if you regularly hitch up.

Based on 15,000km of annual driving, fuel costs roughly $2,138/year for the Mercedes-Benz GLB and $1,625/year for the Audi Q3. That is a $513 annual difference in favour of the Audi Q3.

Estimated annual total: $2,138 (Mercedes-Benz GLB) vs $1,625 (Audi Q3). The Audi Q3 saves you roughly $513 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 5 years / 999,999km (Mercedes-Benz GLB) vs 5 years / 999,999km (Audi Q3). Both match on warranty length.