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Mercedes G-Class vs Audi Q3 comparison

Compare performance (605 HP vs 272 HP), boot space and price (106,600 £ vs 38,200 £ ) at a glance. Find out which car is the better choice for you – Mercedes G-Class or Audi Q3?

Mercedes G-Class vs Audi Q3: Key differences

Mercedes G-Class

  • substantially more power
  • significantly more electric range
  • markedly quicker 0–100 km/h
  • clearly more trunk space
details

Audi Q3

4.3 (4 Reviews)
rate
  • substantially cheaper
  • clearly more efficient
  • substantially lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

G-Class

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Audi Q3 is substantially cheaper – starting at 38,200 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 68,362 £.

Fuel consumption also shows a difference: the Audi Q3 uses 1.7 L/100km and is clearly more efficient than the Mercedes G-Class with 8.7 L/100km. The difference is about 7 L/100km.

As for electric range, the Mercedes G-Class offers significantly more range – reaching up to 479 km, about 360 km more than the Audi Q3.

Q3

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes G-Class offers substantially more power – delivering 605 HP compared to 272 HP. That’s roughly 333 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G-Class is markedly quicker – completing the sprint in 4.4 s, while the Audi Q3 takes 5.7 s. That’s about 1.3 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers substantially more torque with 1,164 Nm compared to 400 Nm. That’s about 764 Nm more.

G-Class

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi Q3 is substantially lighter – 1,635 kg compared to 2,485 kg. The difference is around 850 kg.

Looking at boot space, the Mercedes G-Class offers clearly more boot space – 640 L compared to 488 L. That’s a difference of about 152 L.

When it comes to payload, the Mercedes G-Class carries visibly more – 715 kg compared to 535 kg. That’s a difference of about 180 kg.

Who wins the race in the data check?

The Audi Q3 is clearly superior 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 - 8.8 L/100km
  • Electric Range 109 - 119 km
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Mercedes G-Class
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes G-Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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Reviews Mercedes G-Class

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

Audi Q3

The Audi Q3 is a compact premium crossover that blends sharp styling with a well-crafted interior, making it an appealing choice for urban drivers who want a touch of luxury. It delivers a composed ride, intuitive tech features and a practical cabin, so it works well as a comfortable daily driver with an upscale feel.

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Reviews Audi Q3

4.3 (4 Reviews)
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Del
16 Jun 2026, 12:27:22

Very comfortable and very enjoyable to drive, interior very pleasant. Only missing the automatic controls.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
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.

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Mercedes G-Class
Audi Q3

Costs and Consumption
Price
106,600 - 171,000 £
Price
38,200 - 54,200 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
1.7 - 8.8 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
109 - 119 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
39 - 199 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Off-Roader
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,485 - 3,085 kg
Curb weight
1,635 - 1,900 kg
Trunk capacity
640 L
Trunk capacity
375 - 488 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,859 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
505 - 535 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
387 - 605 HP
Power HP
150 - 272 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
5.7 - 9.2 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
250 - 400 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
285 - 445 kW
Power kW
110 - 200 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
1,498 - 1,984 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
G, A
CO2 Efficiency Class
E, G, B, F
Brand
Mercedes-Benz
Brand
Audi
What drivetrain options does the Mercedes G-Class have?

The Mercedes G-Class is available as 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.