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Audi Q4 e-tron vs Mercedes GLB comparison

Compare performance (340 HP vs 354 HP), boot space and price (39,600 £ vs 50,600 £ ) at a glance. Find out which car is the better choice for you – Audi Q4 e-tron or Mercedes GLB?

Audi Q4 e-tron vs Mercedes GLB: Key differences

Audi Q4 e-tron

4.9 (2 Reviews)
rate
  • noticeably cheaper
  • barely quicker 0–100 km/h
  • barely lighter

Mercedes GLB

3.6 (4 Reviews)
rate
  • very slightly more power
  • marginally more efficient
  • a bit more electric range
  • barely more trunk space

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

Q4 e-tron

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi Q4 e-tron is noticeably cheaper – starting at 39,600 £ , while the Mercedes GLB costs 50,600 £ . That’s a price difference of around 11,055 £.

In terms of energy consumption, the Mercedes GLB is marginally more efficient: consuming 15.8 kWh/100km compared to 15.9 kWh/100km for the Audi Q4 e-tron. That’s a difference of about 0.1 kWh/100km.

As for electric range, the Mercedes GLB offers a bit more range – reaching up to 631 km, about 77 km more than the Audi Q4 e-tron.

GLB

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 GLB offers very slightly more power – delivering 354 HP compared to 340 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q4 e-tron is barely quicker – completing the sprint in 5.4 s, while the Mercedes GLB takes 5.5 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Audi Q4 e-tron delivers markedly more torque with 679 Nm compared to 515 Nm. That’s about 164 Nm more.

Q4 e-tron

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi Q4 e-tron is barely lighter – 2,035 kg compared to 2,200 kg. The difference is around 165 kg.

Looking at boot space, the Mercedes GLB offers barely more boot space – 540 L compared to 535 L. That’s a difference of about 5 L.

When it comes to payload, the Audi Q4 e-tron carries very slightly more – 515 kg compared to 500 kg. That’s a difference of about 15 kg.

Who wins the race in the data check?

The Audi Q4 e-tron leads convincingly 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 £39,600
Q4 e-tron

Audi Q4 e-tron

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 204 - 340 HP
  • Consumption kWh/100km : 15.9 - 17.4 kWh/100km
  • Electric Range : 406 - 554 km
details

Frequently compared as well

Audi Q4 e-tron
Volvo EX40
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The Audi Q4 e-tron serves up German poise, refined finishes and a composed highway ride that says "premium" without shouting, while the Volvo EX40 counters with Scandinavian simplicity, clever safety tech and a sprightlier city demeanour. Choose the Q4 for serene comfort and perceived luxury, or …
Mercedes GLB
Volvo EX60
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Line up the pragmatic, boxy Mercedes GLB — a family-friendly compact SUV that prides itself on space and sensible engineering — against the sleek, tech-forward Volvo EX60 with its unmistakable Scandinavian design and safety-first instincts. It’s a clash of personalities: German practicality and …
Audi Q4 e-tron
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi Q4 e-tron

The Audi Q4 e-tron brings Audi polish into the electric crossover scene, pairing a sleek exterior with a refined, airy interior that makes everyday driving feel distinctly premium. It’s an easy-to-live-with EV that balances comfort and real-world usability with intuitive tech, making it a smart choice for buyers who want electric mobility without giving up Audi character — and yes, it still looks good in the driveway.

details
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Reviews Audi Q4 e-tron

4.9 (2 Reviews)
rate

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

Mercedes GLB

The Mercedes GLB is a practical compact SUV that mixes boxy, family-friendly space with premium German polish, making it an appealing choice for buyers who want usefulness without pretension. It drives with a confident, composed feel and somehow manages to look both rugged and refined — the grown-up SUV that still likes to have fun.

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Reviews Mercedes GLB

3.6 (4 Reviews)
rate
Hans
19 Feb 2026, 02:39:00

Great car — very satisfied with the GLB 250 4MATIC.

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

Frequently compared as well

Audi Q4 e-tron
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In the compact EV SUV showdown, the Audi Q4 e‑tron leans into classy understatement with a roomier, more refined interior and a smoother, long-distance friendly ride. The BMW iX1, meanwhile, trades some comfort for sportier handling and a livelier, driver-focused feel—pick the Q4 for comfort and …
Audi Q4 e-tron
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Packed into a compact electric package, the Audi Q4 e-tron delivers premium polish and slick tech while the Skoda Elroq plays the clever-value card with roomy practicality and a friendlier price tag. Which one should sit in your garage — the status-savvy Q4 e-tron or the no-nonsense Elroq? We’ll …
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Audi Q4 e-tron
BMW iX3
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The Audi Q4 e‑tron feels like the sensible, tech‑savvy choice — airy cabin, clever packaging and a polished, Scandinavian calm that suits family life and long commutes. The BMW iX3, by contrast, plays the sporty, driver‑centric card with taut handling and BMW polish, so pick the Q4 for everyday …
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Audi Q4 e-tron
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Mercedes GLB
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The Mercedes GLB is a sensible, slightly boxy premium compact SUV that delivers real-world space, family practicality and a composed long-distance ride, while the smart #5 is a punchy electric crossover that trades rear-seat room for sharp styling, low running costs and urban agility. If you …
Audi Q4 e-tron
Mercedes GLB

Costs and Consumption
Price
39,600 - 58,800 £
Price
50,600 - 62,400 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.9 - 17.4 kWh/100km
Consumption kWh/100km
15.8 - 15.9 kWh/100km
Electric Range
406 - 554 km
Electric Range
614 - 631 km
Battery Capacity
77 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,035 - 2,235 kg
Curb weight
2,200 - 2,280 kg
Trunk capacity
520 - 535 L
Trunk capacity
540 L
Length
4,588 mm
Length
-
Width
1,865 mm
Width
1,861 mm
Height
1,614 - 1,632 mm
Height
-
Max trunk capacity
1,460 - 1,490 L
Max trunk capacity
-
Payload
505 - 515 kg
Payload
500 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 340 HP
Power HP
272 - 354 HP
Acceleration 0-100km/h
5.4 - 8.1 s
Acceleration 0-100km/h
5.5 - 7.4 s
Max Speed
180 km/h
Max Speed
-
Torque
310 - 679 Nm
Torque
335 - 515 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
150 - 250 kW
Power kW
200 - 260 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,023 - 2,025
Model Year
2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
Mercedes-Benz
Is the Audi Q4 e-tron offered with different drivetrains?

The Audi Q4 e-tron is available as Rear-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.