@ Mercedes-Benz Group Media
@ SEAT S.A. / SEAT Media Center
VS

Mercedes GLC vs SEAT Ateca – Which model is better for everyday use?

Everyday use, family trips or long-distance drives – here’s where the differences show.
Discover whether Mercedes GLC or SEAT Ateca fits your lifestyle better.

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

GLC @ Mercedes-Benz Group Media

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

SEAT Ateca has a clearly advantage in terms of price – it starts at 25100 £, while the Mercedes GLC costs 50300 £. That’s a price difference of around 25222 £.

Fuel consumption also shows a difference: Mercedes GLC manages with 1.60 L and is therefore clearly more efficient than the SEAT Ateca with 4.90 L. The difference is about 3.30 L per 100 km.

Ateca @ SEAT S.A. / SEAT Media Center

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 GLC has a significantly edge – offering 680 HP compared to 150 HP. That’s roughly 530 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLC is decisively quicker – completing the sprint in 3.50 s, while the SEAT Ateca takes 9 s. That’s about 5.50 s faster.

In terms of top speed, the Mercedes GLC performs noticeable better – reaching 275 km/h, while the SEAT Ateca tops out at 202 km/h. The difference is around 73 km/h.

There’s also a difference in torque: Mercedes GLC pulls decisively stronger with 1020 Nm compared to 360 Nm. That’s about 660 Nm difference.

GLC @ Mercedes-Benz Group Media

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In curb weight, SEAT Ateca is convincingly lighter – 1345 kg compared to 1910 kg. The difference is around 565 kg.

In terms of boot space, the Mercedes GLC offers slightly more room – 620 L compared to 510 L. That’s a difference of about 110 L.

In maximum load capacity, the Mercedes GLC performs barely noticeable better – up to 1740 L, which is about 136 L more than the SEAT Ateca.

When it comes to payload, Mercedes GLC slightly takes the win – 600 kg compared to 525 kg. That’s a difference of about 75 kg.

Who wins the race?

The Mercedes GLC proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Mercedes GLC is the better all-rounder in this comparison.

from about £50,300
GLC @ Mercedes-Benz Group Media

Mercedes GLC

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 186 - 680 HP
  • Consumption L/100km : 1.6 - 9.9 L
  • Consumption kWh/100km : 14.9 - 16.6 kWh
  • Electric Range : 12 - 714 km
details

Mercedes GLC

4 (2)
rate

The Mercedes GLC blends plush cabin comfort and composed road manners into an SUV that feels more grown-up than it looks. It won’t shout for attention, but will quietly please buyers who want refinement, usable space and a touch of luxury without the drama.

details
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22C0270_051 @ Mercedes-Benz Group Media
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SEAT Ateca

5 (1)
rate

The SEAT Ateca blends sharp, purposeful styling with practical space that turns everyday errands into something a bit more enjoyable. It’s poised and engaging to drive for its segment, offers solid value, and has just enough personality to make you smile on the school run.

details
SEAT-Ateca-2020_36_HQ @ SEAT S.A. / SEAT Media Center
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SEAT-Ateca_006 @ SEAT S.A. / SEAT Media Center
SEAT-Ateca_004 @ SEAT S.A. / SEAT Media Center

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GLC @ Mercedes-Benz Group Media
Ateca @ SEAT S.A. / SEAT Media Center

Costs and Consumption
Price
50300 - 126600 £
Price
25100 - 36900 £
Consumption L/100km
1.6 - 9.9 L
Consumption L/100km
4.9 - 6.4 L
Consumption kWh/100km
14.9 - 16.6 kWh
Consumption kWh/100km
-
Electric Range
12 - 714 km
Electric Range
-
Battery Capacity
94 kWh
Battery Capacity
-
co2
0 - 225 g/km
co2
129 - 144 g/km
Fuel tank capacity
49 - 65 L
Fuel tank capacity
50 L

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1910 - 2535 kg
Curb weight
1345 - 1514 kg
Trunk capacity
390 - 620 L
Trunk capacity
510 L
Length
4716 - 4845 mm
Length
4381 mm
Width
1890 - 1913 mm
Width
1841 mm
Height
1603 - 1647 mm
Height
1601 mm
Max trunk capacity
1335 - 1740 L
Max trunk capacity
1604 L
Payload
475 - 600 kg
Payload
516 - 525 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV, Electric
Engine Type
Petrol, Diesel
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
186 - 680 HP
Power HP
116 - 150 HP
Acceleration 0-100km/h
3.5 - 9 s
Acceleration 0-100km/h
9 - 11 s
Max Speed
208 - 275 km/h
Max Speed
183 - 202 km/h
Torque
320 - 1020 Nm
Torque
200 - 360 Nm
Number of Cylinders
4 - 6
Number of Cylinders
3 - 4
Power kW
137 - 500 kW
Power kW
85 - 110 kW
Engine capacity
1991 - 2989 cm3
Engine capacity
999 - 1968 cm3

General
Model Year
2025 - 2026
Model Year
2024 - 2025
CO2 Efficiency Class
F, G, B, A
CO2 Efficiency Class
E, D
Brand
Mercedes-Benz
Brand
SEAT

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What drive types are available for the Mercedes GLC?

The Mercedes GLC is offered with All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.