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BMW i7 vs MG MG3 comparison

Compare performance (659 HP vs 194 HP), boot space and price (99,300 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – BMW i7 or MG MG3?

BMW i7 vs MG MG3: Key differences

BMW i7

  • substantially more power
  • substantially quicker 0–100 km/h
  • considerably more trunk space
details

MG MG3

5 (1 Reviews)
rate
  • significantly cheaper
  • considerably 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

i7

Costs and Efficiency:

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

MG MG3 is significantly cheaper – starting at 15,400 £ , while the BMW i7 costs 99,300 £ . That’s a price difference of around 83,922 £.

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 BMW i7 offers substantially more power – delivering 659 HP compared to 194 HP. That’s roughly 465 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW i7 is substantially quicker – completing the sprint in 3.7 s, while the MG MG3 takes 8 s. That’s about 4.3 s quicker.

There’s also a difference in torque: the BMW i7 delivers clearly more torque with 1,100 Nm compared to 148 Nm. That’s about 952 Nm more.

i7

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 terms of curb weight, MG MG3 is considerably lighter – 1,237 kg compared to 2,595 kg. The difference is around 1,358 kg.

Looking at boot space, the BMW i7 offers considerably more boot space – 500 L compared to 293 L. That’s a difference of about 207 L.

When it comes to payload, the BMW i7 carries somewhat more – 535 kg compared to 448 kg. That’s a difference of about 87 kg.

Who wins the race in the data check?

The MG MG3 is clearly superior 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 Manual, Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 116 - 194 HP
  • Consumption L/100km 4.4 - 6.1 L/100km
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BMW i7
MG MG3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW i7

The BMW i7 is a quietly imposing electric limousine that wraps advanced tech and traditional Bavarian comfort in a futuristic skin. For buyers after serene luxury with a mischievous streak, it pampers rear-seat occupants while reminding the driver that BMW still knows how to make a big car feel alive.

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Reviews BMW i7

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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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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BMW i7
MG MG3

Costs and Consumption
Price
99,300 - 157,200 £
Price
15,400 - 21,400 £
Consumption L/100km
-
Consumption L/100km
4.4 - 6.1 L/100km
Consumption kWh/100km
18.5 - 20.8 kWh/100km
Consumption kWh/100km
-
Electric Range
559 - 624 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 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
2,595 - 2,770 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
500 L
Trunk capacity
293 L
Length
-
Length
-
Width
1,950 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 535 kg
Payload
373 - 448 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manual, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
455 - 659 HP
Power HP
116 - 194 HP
Acceleration 0-100km/h
3.7 - 5.5 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
650 - 1,100 Nm
Torque
148 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
335 - 485 kW
Power kW
85 - 143 kW
Engine capacity
-
Engine capacity
1,490 - 1,495 cm3

General
Model Year
2,022 - 2,023
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, C
Brand
BMW
Brand
MG
Is the BMW i7 offered with different drivetrains?

The BMW i7 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.