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Mercedes AMG GT vs MG MG3 comparison

Compare performance (816 HP vs 194 HP), boot space and price (102,500 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes AMG GT or MG MG3?

Mercedes AMG GT vs MG MG3: Key differences

Mercedes AMG GT

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

MG MG3

5 (1 Reviews)
rate
  • significantly cheaper
  • considerably more efficient
  • significantly lighter

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

AMG GT

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

MG MG3 is significantly cheaper – starting at 15,400 £ , while the Mercedes AMG GT costs 102,500 £ . That’s a price difference of around 87,084 £.

Fuel consumption also shows a difference: the MG MG3 uses 4.4 L/100km and is considerably more efficient than the Mercedes AMG GT with 10.3 L/100km. The difference is about 5.9 L/100km.

MG3

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 AMG GT offers clearly more power – delivering 816 HP compared to 194 HP. That’s roughly 622 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 MG MG3 takes 8 s. That’s about 5.2 s quicker.

There’s also a difference in torque: the Mercedes AMG GT delivers considerably more torque with 1,420 Nm compared to 148 Nm. That’s about 1,272 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: MG MG3 offers more seats – 5 vs 2.

In terms of curb weight, MG MG3 is significantly lighter – 1,237 kg compared to 1,790 kg. The difference is around 553 kg.

When it comes to payload, the MG MG3 carries clearly more – 448 kg compared to 215 kg. That’s a difference of about 233 kg.

Who wins the race in the data check?

The MG MG3 is far ahead 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 £15,400
MG3

MG MG3

  • Engine Type : Petrol, Full Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 116 - 194 HP
  • Consumption L/100km : 4.4 - 6.1 L/100km
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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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Reviews Mercedes AMG GT

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

MG MG3

The MG3 is a cheeky city hatch that pairs bold, youthful styling with sprightly handling for drivers who want personality on a budget. Its cabin is bright and cleverly packaged, offering sensible space and a fun-to-drive character that turns mundane commutes into something a bit more enjoyable.

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Reviews MG MG3

5 (1 Reviews)
rate
Giorgio catacchio
20 Sept 2025, 00:08:28

I've owned the MG3 Hybrid for a year — I travel a lot, never a dull moment; comes fully loaded as standard, incredible acceleration, etc.

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Costs and Consumption
Price
102,500 - 194,400 £
Price
15,400 - 21,400 £
Consumption L/100km
10.3 - 14 L/100km
Consumption L/100km
4.4 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
11 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
235 - 319 g/km
co2
100 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Hatchback
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,790 - 2,195 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
-
Trunk capacity
-
Length
-
Length
-
Width
1,929 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
170 - 215 kg
Payload
373 - 448 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
435 - 816 HP
Power HP
116 - 194 HP
Acceleration 0-100km/h
2.8 - 4.6 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
148 Nm
Number of Cylinders
4 - 8
Number of Cylinders
4
Power kW
320 - 600 kW
Power kW
85 - 143 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
1,490 - 1,495 cm3

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
E, C
Brand
Mercedes-Benz
Brand
MG
What drive types are available for the Mercedes AMG GT?

Available configurations include 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.