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Audi Q3 vs Mercedes GLS comparison

Compare performance (272 HP vs 634 HP), boot space and price (38,200 £ vs 96,100 £ ) at a glance. Find out which car is the better choice for you – Audi Q3 or Mercedes GLS?

Audi Q3 vs Mercedes GLS: Key differences

Audi Q3

5 (1 Reviews)
rate
  • clearly cheaper
  • significantly more efficient
  • substantially lighter
  • markedly more trunk space

Mercedes GLS

  • considerably more power
  • visibly quicker 0–100 km/h

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

Here’s where it gets real: The technical differences in detail

Q3

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi Q3 is clearly cheaper – starting at 38,200 £ , while the Mercedes GLS costs 96,100 £ . That’s a price difference of around 57,892 £.

Fuel consumption also shows a difference: the Audi Q3 uses 1.7 L/100km and is significantly more efficient than the Mercedes GLS with 7.8 L/100km. The difference is about 6.1 L/100km.

GLS

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes GLS offers considerably more power – delivering 634 HP compared to 272 HP. That’s roughly 362 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes GLS is visibly quicker – completing the sprint in 4.2 s, while the Audi Q3 takes 5.7 s. That’s about 1.5 s quicker.

There’s also a difference in torque: the Mercedes GLS delivers significantly more torque with 850 Nm compared to 400 Nm. That’s about 450 Nm more.

Q3

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes GLS offers more seats – 7 vs 5.

In terms of curb weight, Audi Q3 is substantially lighter – 1,635 kg compared to 2,550 kg. The difference is around 915 kg.

Looking at boot space, the Audi Q3 offers markedly more boot space – 488 L compared to 355 L. That’s a difference of about 133 L.

When it comes to payload, the Mercedes GLS carries visibly more – 695 kg compared to 535 kg. That’s a difference of about 160 kg.

Who wins the race in the data check?

The Audi Q3 is far ahead overall in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £38,200
Q3

Audi Q3

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid, Diesel
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 150 - 272 HP
  • Consumption L/100km : 1.7 - 8.6 L/100km
  • Electric Range : 118 - 119 km
details

Frequently compared as well

Audi Q3
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Audi Q3
Mercedes GLS

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi Q3

The Audi Q3 feels like a grown-up compact SUV with premium polish and city-friendly agility, the sort of car that makes weekend escapes and daily commutes equally satisfying. Inside, you get quality materials and smart packaging that keep things practical without skimping on style, so it’s an easy pick for buyers who want luxury without the drama.

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Reviews Audi Q3

5 (1 Reviews)
rate
dd
2 Nov 2025, 22:05:04

Very comfortable. Precise steering. E35 petrol engine, 150 hp — sufficient. Manual gearbox very good and well-geared. Looks very handsome. Very large boot. Premium interior.

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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Reviews Mercedes GLS

No reviews yet. Share your experience and help others decide.

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Audi Q3
Mercedes GLS

Costs and Consumption
Price
38,200 - 52,900 £
Price
96,100 - 208,500 £
Consumption L/100km
1.7 - 8.6 L/100km
Consumption L/100km
7.8 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
118 - 119 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
39 - 195 g/km
co2
204 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
90 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
5
Curb weight
1,635 - 1,900 kg
Curb weight
2,550 - 2,825 kg
Trunk capacity
375 - 488 L
Trunk capacity
355 L
Length
-
Length
5,208 - 5,233 mm
Width
1,859 mm
Width
1,956 mm
Height
-
Height
1,782 - 1,838 mm
Max trunk capacity
-
Max trunk capacity
2,400 L
Payload
505 - 535 kg
Payload
445 - 695 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
150 - 272 HP
Power HP
333 - 634 HP
Acceleration 0-100km/h
5.7 - 9.2 s
Acceleration 0-100km/h
4.2 - 6.7 s
Max Speed
-
Max Speed
238 - 280 km/h
Torque
250 - 400 Nm
Torque
500 - 850 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
110 - 200 kW
Power kW
245 - 466 kW
Engine capacity
1,498 - 1,984 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
E, G, B
CO2 Efficiency Class
G
Brand
Audi
Brand
Mercedes-Benz
What drivetrain options does the Audi Q3 have?

The Audi Q3 is available as Front-Wheel Drive or All-Wheel Drive.

DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.