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Mercedes SL Class vs MG MG4 comparison

Compare performance (816 HP vs 435 HP), boot space and price (112,700 £ vs 36,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or MG MG4?

Mercedes SL Class vs MG MG4: Key differences

Mercedes SL Class

  • considerably more power
  • noticeably quicker 0–100 km/h
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MG MG4

4.8 (3 Reviews)
rate
  • significantly cheaper
  • significantly more electric range
  • marginally 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

SL 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 MG4 is significantly cheaper – starting at 36,800 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 75,856 £.

As for electric range, the MG MG4 offers significantly more range – reaching up to 545 km, about 533 km more than the Mercedes SL Class.

MG4

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 SL Class offers considerably more power – delivering 816 HP compared to 435 HP. That’s roughly 381 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is noticeably quicker – completing the sprint in 2.9 s, while the MG MG4 takes 3.8 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers substantially more torque with 1,420 Nm compared to 600 Nm. That’s about 820 Nm more.

SL Class

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: MG MG4 offers more seats – 5 vs 4.

In terms of curb weight, MG MG4 is marginally lighter – 1,755 kg compared to 1,810 kg. The difference is around 55 kg.

When it comes to payload, the MG MG4 carries somewhat more – 448 kg compared to 375 kg. That’s a difference of about 73 kg.

Who wins the race in the data check?

The MG MG4 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 £36,800
MG4

MG MG4

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 190 - 435 HP
  • Consumption kWh/100km 16.1 - 19 kWh/100km
  • Electric Range 405 - 545 km
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Frequently compared as well

MG MG4
BYD Atto 2
VS
Think of the MG4 as the affordable hot hatch of the EV world — compact, sharp-handling and great value for drivers who want a little grin in every corner, while the BYD Atto 2 is a chilled crossover, taller, roomier and packed with clever tech and impressive real-world range. If you want lively …
MG MG4
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Mercedes SL Class
MG MG4

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

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Reviews Mercedes SL Class

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

MG MG4

The MG4 is a sprightly electric hatch that marries bold, modern looks with genuinely useful practicality, making it a great everyday companion for city and weekend life alike. Inside it surprises with a smart, user-friendly cabin and an engaging drive that delivers more personality than you might expect for the price.

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Reviews MG MG4

4.8 (3 Reviews)
rate
TOTO
20 May 2026, 11:19:27

The MG4 seems more versatile to me than the Dolphin, which relies mainly on design. The MG4 has proven itself and remains an excellent used option with low mileage.

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
Angio
12 Jan 2026, 12:26:30

Superb

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
Sal
23 Oct 2025, 20:41:36

I tried it today and found the car genuinely pleasant and comfortable to drive.

Frequently compared as well

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MG MG4
Leapmotor B05
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Choosing between the MG4 and the Leapmotor B05 comes down to whether you prefer the MG4’s European-influenced practicality or the B05’s tech-forward value proposition. I’ll compare range, performance, interior quality and running costs so you can see which one fits your needs.
MG MG4
BYD Dolphin Surf
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MG MG4
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Mercedes SL Class
MG MG4

Costs and Consumption
Price
112,700 - 219,300 £
Price
36,800 - 40,300 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.1 - 19 kWh/100km
Electric Range
12 km
Electric Range
405 - 545 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
1,755 - 1,810 kg
Trunk capacity
110 - 240 L
Trunk capacity
-
Length
-
Length
-
Width
1,915 mm
Width
1,836 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
448 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
435 - 816 HP
Power HP
190 - 435 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
3.8 - 7.5 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
350 - 600 Nm
Number of Cylinders
4 - 8
Number of Cylinders
-
Power kW
320 - 600 kW
Power kW
140 - 320 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
MG
What drive types are available for the Mercedes SL Class?

The Mercedes SL Class is offered with 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.