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CUPRA Ateca vs Mercedes GLB comparison

Compare performance (300 HP vs 354 HP), boot space and price (37300 £ vs 50600 £ ) at a glance. Find out which car is the better choice for you – CUPRA Ateca or Mercedes GLB?

CUPRA Ateca vs Mercedes GLB: Key differences

CUPRA Ateca

4.3 (1 Reviews)
rate
  • clearly perceptible cheaper
  • slightly quicker from 0–100 km/h
  • convincingly lighter

Mercedes GLB

3.2 (3 Reviews)
rate
  • a bit more power
  • to a small extent 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

Ateca

Costs and Efficiency:

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

CUPRA Ateca has a clearly perceptible advantage in terms of price – it starts at 37300 £ , while the Mercedes GLB costs 50600 £ . That’s a price difference of around 13344 £.

GLB

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 GLB has a a bit edge – offering 354 HP compared to 300 HP. That’s roughly 54 HP more horsepower.

In acceleration from 0 to 100 km/h, the CUPRA Ateca is slightly quicker – completing the sprint in 4.90 s, while the Mercedes GLB takes 5.50 s. That’s about 0.60 s faster.

There’s also a difference in torque: Mercedes GLB pulls evident stronger with 515 Nm compared to 400 Nm. That’s about 115 Nm difference.

Ateca

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 curb weight, CUPRA Ateca is convincingly lighter – 1418 kg compared to 2200 kg. The difference is around 782 kg.

In terms of boot space, the Mercedes GLB offers to a small extent more room – 540 L compared to 485 L. That’s a difference of about 55 L.

When it comes to payload, CUPRA Ateca minimal takes the win – 522 kg compared to 500 kg. That’s a difference of about 22 kg.

Who wins the race in the data check?

The Mercedes GLB 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.

Frequently compared as well

CUPRA Ateca
SEAT Ateca
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The CUPRA Ateca turns the sensible family SUV into a pocket rocket with sharper suspension, a punchier engine and aggressive styling that makes commuting feel like a weekend trackday. If you prefer lower running costs, more comfort and smarter value, the SEAT Ateca is the clear choice — practical, …
Mercedes EQB
Mercedes GLB
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Mercedes EQB and Mercedes GLB go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
CUPRA Ateca
Mercedes GLB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £50,600
GLB

Mercedes GLB

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 354 HP
  • Consumption kWh/100km : 15.8 - 15.9 kWh
  • Electric Range : 614 - 631 km
details

CUPRA Ateca

4.3 (1 Reviews)
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The CUPRA Ateca mixes SUV practicality with a seriously sporty attitude, wrapped in aggressive styling and a cockpit that looks like it belongs on a racetrack. It's the kind of car that handles daily life with composure while slipping a grin across your face every time you push it—perfect for drivers who want a practical companion that never apologizes for having fun.

details
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New-CUPRA-Ateca-2020_27_HQ
New-CUPRA-Ateca-2020_40_HQ
New-CUPRA-Ateca-2020_49_HQ
New-CUPRA-Ateca-2020_54_HQ
New-CUPRA-Ateca-2020_61_HQ

Mercedes GLB

3.2 (3 Reviews)
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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 CUPRA Ateca

4.3 (1 Reviews)
rate
Stephan B.
18 Feb 2026, 05:44:55

The Cupra Ateca is technically state-of-the-art. The interior tech is top-notch, the materials feel premium and are genuinely useful. But it’s still a car — a practical tool — and despite the excellent build quality and very solid engine performance, it remains affordable for the average buyer.

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

Reviews Mercedes GLB

3.2 (3 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
CUPRA Ateca
Mercedes GLB

Costs and Consumption
Price
37300 - 51200 £
Price
50600 - 62400 £
Consumption L/100km
6.7 - 9.1 L
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.8 - 15.9 kWh
Electric Range
-
Electric Range
614 - 631 km
Battery Capacity
-
Battery Capacity
-
co2
153 - 207 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
-
Doors
-
Curb weight
1418 - 1628 kg
Curb weight
2200 - 2280 kg
Trunk capacity
485 L
Trunk capacity
540 L
Length
-
Length
-
Width
1841 mm
Width
1861 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
502 - 522 kg
Payload
500 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
150 - 300 HP
Power HP
272 - 354 HP
Acceleration 0-100km/h
4.9 - 9.3 s
Acceleration 0-100km/h
5.5 - 7.4 s
Max Speed
-
Max Speed
-
Torque
250 - 400 Nm
Torque
335 - 515 Nm
Number of Cylinders
4
Number of Cylinders
-
Power kW
110 - 221 kW
Power kW
200 - 260 kW
Engine capacity
1498 - 1984 cm3
Engine capacity
-

General
Model Year
2024 - 2025
Model Year
2026
CO2 Efficiency Class
G, E
CO2 Efficiency Class
A
Brand
CUPRA
Brand
Mercedes-Benz

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What drive types are available for the CUPRA Ateca?

The CUPRA Ateca is offered with All-Wheel Drive or Front-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.