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Mercedes E-Class vs MG MG3 comparison

Compare performance (585 HP vs 194 HP), boot space and price (50,500 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes E-Class or MG MG3?

Mercedes E-Class vs MG MG3: Key differences

Mercedes E-Class

4.7 (2 Reviews)
rate
  • substantially more power
  • clearly more efficient
  • clearly quicker 0–100 km/h
  • clearly more trunk space
details

MG MG3

5 (1 Reviews)
rate
  • substantially cheaper
  • clearly lighter
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

E-Class

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.

MG MG3 is substantially cheaper – starting at 15,400 £ , while the Mercedes E-Class costs 50,500 £ . That’s a price difference of around 35,070 £.

Fuel consumption also shows a difference: the Mercedes E-Class uses 1.5 L/100km and is clearly more efficient than the MG MG3 with 4.4 L/100km. The difference is about 2.9 L/100km.

MG3

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes E-Class offers substantially more power – delivering 585 HP compared to 194 HP. That’s roughly 391 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes E-Class is clearly quicker – completing the sprint in 4 s, while the MG MG3 takes 8 s. That’s about 4 s quicker.

There’s also a difference in torque: the Mercedes E-Class delivers considerably more torque with 750 Nm compared to 148 Nm. That’s about 602 Nm more.

E-Class

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 terms of curb weight, MG MG3 is clearly lighter – 1,237 kg compared to 1,810 kg. The difference is around 573 kg.

Looking at boot space, the Mercedes E-Class offers clearly more boot space – 540 L compared to 293 L. That’s a difference of about 247 L.

When it comes to payload, the Mercedes E-Class carries visibly more – 640 kg compared to 448 kg. That’s a difference of about 192 kg.

Who wins the race in the data check?

The Mercedes E-Class is decisively ahead 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 £50,500
E-Class

Mercedes E-Class

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 186 - 585 HP
  • Consumption L/100km 1.5 - 7.5 L/100km
  • Electric Range 101 - 116 km
details

Frequently compared as well

MG MG3
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Mercedes E-Class
MG MG3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes E-Class

The Mercedes E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.

details
19C0741_014
19C0741_016
18C0338_006

Reviews Mercedes E-Class

4.7 (2 Reviews)
rate
Carlos
11 Apr 2026, 20:47:10

Comfortable car, beautiful lines, powerful and economical to run.

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

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.

details
KV-1-1
Left-Back-30°-1
Front-Row-Space-1
Trunk-3

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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Mercedes E-Class
MG MG3

Costs and Consumption
Price
50,500 - 119,700 £
Price
15,400 - 21,400 £
Consumption L/100km
1.5 - 7.5 L/100km
Consumption L/100km
4.4 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
101 - 116 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
39 - 172 g/km
co2
100 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,810 - 2,390 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
370 - 540 L
Trunk capacity
293 L
Length
-
Length
-
Width
1,880 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
530 - 640 kg
Payload
373 - 448 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
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
186 - 585 HP
Power HP
116 - 194 HP
Acceleration 0-100km/h
4 - 8.5 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
320 - 750 Nm
Torque
148 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
137 - 430 kW
Power kW
85 - 143 kW
Engine capacity
1,993 - 2,999 cm3
Engine capacity
1,490 - 1,495 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
E, F, B, D
CO2 Efficiency Class
E, C
Brand
Mercedes-Benz
Brand
MG
What drivetrain options does the Mercedes E-Class have?

The Mercedes E-Class is available as 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.