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MG MG4 vs smart #3 comparison

Compare performance (204 HP vs 428 HP), boot space and price (30500 £ vs 34700 £ ) at a glance. Find out which car is the better choice for you – MG MG4 or smart #3?

MG MG4 vs smart #3: Key differences

MG MG4

5 (2 Reviews)
rate
  • a bit cheaper
  • hardly perceptible lighter

smart #3

5 (1 Reviews)
rate
  • decisively more power
  • slight more efficient
  • minimal more electric range
  • significantly quicker from 0–100 km/h

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

MG4

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

MG MG4 has a a bit advantage in terms of price – it starts at 30500 £ , while the smart #3 costs 34700 £ . That’s a price difference of around 4157 £.

In terms of energy consumption, the advantage goes to the smart #3: with 16.30 kWh per 100 km, it’s slight more efficient than the MG MG4 with 16.40 kWh. That’s a difference of about 0.10000 kWh.

As for electric range, the smart #3 performs minimal better – achieving up to 455 km, about 5 km more than the MG MG4.

#3

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 smart #3 has a decisively edge – offering 428 HP compared to 204 HP. That’s roughly 224 HP more horsepower.

In acceleration from 0 to 100 km/h, the smart #3 is significantly quicker – completing the sprint in 3.70 s, while the MG MG4 takes 7.10 s. That’s about 3.40 s faster.

There’s also a difference in torque: smart #3 pulls convincingly stronger with 584 Nm compared to 250 Nm. That’s about 334 Nm difference.

MG4

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 5 people.

In curb weight, MG MG4 is hardly perceptible lighter – 1635 kg compared to 1780 kg. The difference is around 145 kg.

When it comes to payload, smart #3 slight takes the win – 450 kg compared to 449 kg. That’s a difference of about 1 kg.

Who wins the race in the data check?

The smart #3 sits 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.

Frequently compared as well

MG MG3
MG MG4
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If you're after cheap thrills and nimble city driving, the MG3 is the plucky choice — inexpensive, quirky and perfect for tight car parks. But for real-world practicality, range and a more modern feel, the MG4's stylish hatch and EV tech make it the smarter buy for daily drivers who want a bit of …
MG MG4
BYD Atto 2
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MG MG4
smart #3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £34,700
#3

smart #3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 272 - 428 HP
  • Consumption kWh/100km : 16.3 - 17.6 kWh
  • Electric Range : 325 - 455 km
details

MG MG4

5 (2 Reviews)
rate

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.

details
MG.027.STUDIO
MG.028.STUDIO
MG.036.STUDIO
MG.038_0.STUDIO

smart #3

5 (1 Reviews)
rate

The Smart #3 turns the brand's cheeky city-car attitude into a grown-up compact SUV, pairing sleek styling with a surprisingly roomy, well-made interior. It's a brilliant pick for buyers who want electric ease without dullness — practical enough for daily life, but still lively enough to make parking and grocery runs feel a little fun.

details
smart-hashtag3-brabus-photon-orange-exterior-mallorca1
smart-hashtag3-brabus-photon-orange-exterior-mallorca13
smart-hashtag3-brabus-photon-orange-exterior-mallorca21
smart-hashtag3-brabus-photon-orange-interior-mallorca10
smart-hashtag3-brabus-photon-orange-interior-mallorca3
smart-hashtag3-premium-ceramic-cream-interior-mallorca7

Reviews MG MG4

5 (2 Reviews)
rate
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.

Reviews smart #3

5 (1 Reviews)
rate
Ronny
16 Oct 2025, 13:10:59

Handsome design, packed with advanced driver‑assist technology and stellar performance — all at an attractive price. Highly recommended, this car!

MG MG4
smart #3

Costs and Consumption
Price
30500 - 36500 £
Price
34700 - 45800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.4 - 17 kWh
Consumption kWh/100km
16.3 - 17.6 kWh
Electric Range
330 - 450 km
Electric Range
325 - 455 km
Battery Capacity
-
Battery Capacity
47 - 62 kWh
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
1635 - 1695 kg
Curb weight
1780 - 1910 kg
Trunk capacity
-
Trunk capacity
370 L
Length
-
Length
4400 mm
Width
1836 mm
Width
1844 mm
Height
-
Height
1556 mm
Max trunk capacity
-
Max trunk capacity
1160 L
Payload
389 - 449 kg
Payload
419 - 450 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
170 - 204 HP
Power HP
272 - 428 HP
Acceleration 0-100km/h
7.1 - 7.6 s
Acceleration 0-100km/h
3.7 - 5.8 s
Max Speed
-
Max Speed
180 km/h
Torque
250 Nm
Torque
343 - 584 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
125 - 150 kW
Power kW
200 - 315 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2023 - 2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
MG
Brand
smart

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What drivetrain options does the MG MG4 have?

The MG MG4 is available as Rear-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.