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Mercedes AMG GT vs SEAT Ateca comparison

Compare performance (816 HP vs 150 HP), boot space and price (102,500 £ vs 25,100 £ ) at a glance. Find out which car is the better choice for you – Mercedes AMG GT or SEAT Ateca?

Mercedes AMG GT vs SEAT Ateca: Key differences

Mercedes AMG GT

  • clearly more power
  • considerably quicker 0–100 km/h
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SEAT Ateca

4.6 (5 Reviews)
rate
  • substantially cheaper
  • considerably more efficient
  • noticeably lighter
  • markedly more trunk space
details

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

AMG GT

Costs and Efficiency:

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

SEAT Ateca is substantially cheaper – starting at 25,100 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 77,399 £.

Fuel consumption also shows a difference: the SEAT Ateca uses 4.9 L/100km and is considerably more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 5.4 L/100km.

Ateca

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 AMG GT offers clearly more power – delivering 816 HP compared to 150 HP. That’s roughly 666 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes AMG GT is considerably quicker – completing the sprint in 2.8 s, while the SEAT Ateca takes 9 s. That’s about 6.2 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers considerably more torque with 1,420 Nm compared to 360 Nm. That’s about 1,060 Nm more.

AMG GT

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.

Seats: SEAT Ateca offers more seats – 5 vs 2.

In terms of curb weight, SEAT Ateca is noticeably lighter – 1,345 kg compared to 1,790 kg. The difference is around 445 kg.

Looking at boot space, the SEAT Ateca offers markedly more boot space – 510 L compared to 321 L. That’s a difference of about 189 L.

When it comes to payload, the SEAT Ateca carries significantly more – 525 kg compared to 215 kg. That’s a difference of about 310 kg.

Who wins the race in the data check?

The SEAT Ateca stands well ahead of its rival 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 £25,100
Ateca

SEAT Ateca

  • Engine Type Petrol, Diesel
  • Transmission Manuel, Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 116 - 150 HP
  • Consumption L/100km 4.9 - 6.4 L/100km
Mercedes AMG GT
SEAT Ateca

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mercedes AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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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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Mercedes AMG GT
SEAT Ateca

Costs and Consumption

Price
102,500 - 194,400 £
Price
25,100 - 36,900 £
Consumption L/100km
10.3 - 14 L/100km
Consumption L/100km
4.9 - 6.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
11 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
235 - 319 g/km
co2
129 - 144 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Coupe
Body Type
SUV
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,790 - 2,195 kg
Curb weight
1,345 - 1,514 kg
Trunk capacity
182 - 321 L
Trunk capacity
510 L
Length
-
Length
-
Width
1,929 mm
Width
1,841 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
170 - 215 kg
Payload
516 - 525 kg

Engine and Performance

Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Diesel
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
435 - 816 HP
Power HP
116 - 150 HP
Acceleration 0-100km/h
2.8 - 4.6 s
Acceleration 0-100km/h
9 - 11 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
200 - 360 Nm
Number of Cylinders
4 - 8
Number of Cylinders
3 - 4
Power kW
320 - 600 kW
Power kW
85 - 110 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
999 - 1,968 cm3

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
E, D
Brand
Mercedes-Benz
Brand
SEAT
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.