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Mercedes G-Class vs SEAT Ateca comparison

Compare performance (605 HP vs 150 HP), boot space and price (106,600 £ vs 25,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes G-Class or SEAT Ateca?

Mercedes G-Class vs SEAT Ateca: Key differences

Mercedes G-Class

  • considerably more power
  • significantly quicker 0–100 km/h
  • noticeably more trunk space
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SEAT Ateca

4.6 (5 Reviews)
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  • clearly cheaper
  • considerably 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:

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

SEAT Ateca is clearly cheaper – starting at 25,100 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 81,485 £.

Fuel consumption also shows a difference: the SEAT Ateca uses 4.9 L/100km and is considerably more efficient than the Mercedes G-Class with 8.7 L/100km. The difference is about 3.8 L/100km.

Ateca

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes G-Class offers considerably more power – delivering 605 HP compared to 150 HP. That’s roughly 455 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes G-Class is significantly quicker – completing the sprint in 4.4 s, while the SEAT Ateca takes 9 s. That’s about 4.6 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers significantly more torque with 1,164 Nm compared to 360 Nm. That’s about 804 Nm more.

G-Class

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, SEAT Ateca is substantially lighter – 1,345 kg compared to 2,485 kg. The difference is around 1,140 kg.

Looking at boot space, the Mercedes G-Class offers noticeably more boot space – 640 L compared to 510 L. That’s a difference of about 130 L.

When it comes to payload, the Mercedes G-Class carries noticeably more – 715 kg compared to 525 kg. That’s a difference of about 190 kg.

Who wins the race in the data check?

The Mercedes G-Class 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 £106,600
G-Class

Mercedes G-Class

  • Engine Type Petrol MHEV, Diesel MHEV, Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 387 - 605 HP
  • Consumption L/100km 8.7 - 14.7 L/100km
  • Consumption kWh/100km 28 kWh/100km
  • Electric Range 479 km
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Frequently compared as well

SEAT Ateca
VW T-Roc
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Mercedes G-Class
SEAT Ateca

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.

SEAT Ateca

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.

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Reviews SEAT Ateca

4.6 (5 Reviews)
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Stefan
10 Jun 2026, 12:17:28

The Seat Ateca is a very affordable SUV with excellent handling and plenty of space for the whole family. A companion that can do it all and is equally suited to everyday use as to long trips fully loaded. A very good choice for the active family that needs a car that fits most needs.

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
Nico
20 May 2026, 12:31:33

+ Great, firm seats, large boot for such a compact car, good fuel economy, lots of interior space, uncomplicated controls, very agile and safe handling, good build quality, very good steering, good braking performance, relatively small turning circle
- Very poor voice control and navigation, cockpit display too small with very small fonts and symbols, steering wheel too thin, seats too flat despite electric adjustment, poor engine soundproofing, tank far too small, complicated maintenance (oil change appalling), undersized rear brake, fuel filler on the wrong side, sound almost without bass (Beats)

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

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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, …
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Mercedes G-Class
SEAT Ateca

Costs and Consumption
Price
106,600 - 171,000 £
Price
25,100 - 36,900 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
4.9 - 6.4 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
129 - 144 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
1,345 - 1,514 kg
Trunk capacity
640 L
Trunk capacity
510 L
Length
-
Length
-
Width
1,931 - 1,984 mm
Width
1,841 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
516 - 525 kg

Engine and Performance
Engine Type
Petrol MHEV, 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
387 - 605 HP
Power HP
116 - 150 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
9 - 11 s
Max Speed
-
Max Speed
-
Torque
760 - 1,164 Nm
Torque
200 - 360 Nm
Number of Cylinders
6 - 8
Number of Cylinders
3 - 4
Power kW
285 - 445 kW
Power kW
85 - 110 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
999 - 1,968 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
G, A
CO2 Efficiency Class
E, D
Brand
Mercedes-Benz
Brand
SEAT
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.